Updated 16 Sep 2026 · recomputed nightly

Is March 2027 a good month to visit Barcelona?

Calm — the typical March day in Barcelona is calmer than 71% of its year.

The weather is the trade-off here, not the crowds.

Calm · Lively · Busy · Packed rank a day against Barcelona's own year — not a headcount.

This month's verified events: Zurich Marato Barcelona (14).

March is Barcelona with the crowds gone — Calm on 22 of 31 days — 1 day runs Busy or Packed, mild and showery, around 16°C / 61°F.

Yes. The typical March day in Barcelona is Calm, and only 1 of the 31 days in our window runs Busy or Packed. Expect around 16 °C by day, with rain on about 6 days. The crowd comes with the school holidays in France and Germany. Cruise ships call on 24 of the 31 days, 4 at once on Friday 19 March. Zurich Marato Barcelona falls on 14 March. Early March is the month's quietest stretch in Barcelona — the typical day at 17%, against 31% in late March. The crush is at La Rambla; the quiet is at Montjuïc. The calmest day is Thursday 11 March, the busiest Sunday 14 March.

In short, a genuinely good window to pick.

Among the 12 months we forecast for Barcelona, March ranks 9th for crowd pressure. Its heaviest day is Sun 14 Mar, busier than 99% of the year; its lightest is Thu 11 Mar at 10%.

Crowds
1/31 busy or packed
22 calm · 8 lively
Weather
16°C / 61°F
rain ~6 days
Value
Best value of the year
a genuinely good window to pick

You won't need skip-the-line tickets here — that's rather the point. A month like this is the one for the longer visit — the guided walk, the food tour, the day out of town, with room and time to enjoy them. see what's on →

What to pack for Barcelona in March

Nothing extreme to plan around — rain on 6 of 31 days.

A pair of worn walking trainers, seen from above
rain on 6 of 31 days Comfortable walking shoes

The one thing you wear all day, every day of the trip.

See walking shoes →
Two people walking under one umbrella in the rain
showers arrive without warning Compact umbrella

A folding one lives in the day bag and weighs nothing.

See umbrellas →

How busy is Barcelona in March?

The busiest day is the 14th. Away from those, most days sit Calm. The calmest stretch is the 15th–31st.

Cruise ships are in port on 24 of 31 days; the heaviest is Fri 19 Mar, 4 ships in at once. Those mornings fill the squares first — start early, or save them for indoors.

The month is not one thing: its lightest day sits at 10% of the year and its heaviest at 99%, so where you land inside it matters. Daylight runs about 12 hours.

Either side of it, April picks up.

Only one day gets genuinely busy — the 14th — a three-ship Sunday. Every other date is yours to pick.
CalmLivelyBusyPacked⚓ ships in port · % = busier than this share of the year · tap any day for its full forecast
Best daysTue 2 · Thu 11 · Thu 18 — Only one day gets genuinely busy — the 14th — a three-ship Sunday. Every other date is yours to pick.
Busiest daySun 14 — the month's only busier date.
Mon 01 Mar Calm busier than 35% of days here · ⚓1 · Spain public holiday
WhySpain public holiday; Germany school holidays; France school holidays
‹ Sun 28 Feb·Tue 2 Mar ›This day in full →Ships in port 09:00–19:00
Cruise ⚓
  • Costa Toscana — guest capacity 5,322 09:00–19:00

Record Barcelona on Mon 1 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 5,322 guests at double occupancy; ships in port 09:00–19:00. Why: Spain public holiday; Germany school holidays; France school holidays. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-01 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 02 Mar Calm busier than 11% of days here · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Barcelona on Tue 2 Mar 2027 is forecast Calm. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-02 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 03 Mar Calm busier than 11% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓
  • Star Explorer — guest capacity 196

Record Barcelona on Wed 3 Mar 2027 is forecast Calm. Why: school holidays in Germany and France. 1 cruise ship scheduled, at least 196 guests at double occupancy. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-03 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 04 Mar Calm busier than 11% of days here · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Barcelona on Thu 4 Mar 2027 is forecast Calm. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-04 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 05 Mar Lively busier than 43% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓
  • Costa Pacifica — guest capacity 3,012
  • MSC World Asia — guest capacity 5,240 08:00–18:00

Record Barcelona on Fri 5 Mar 2027 is forecast Lively. 2 cruise ships scheduled, at least 8,252 guests at double occupancy. Why: school holidays in Germany and France. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-05 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 06 Mar Calm busier than 29% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays; France school holidays
‹ Fri 5 Mar·Sun 7 Mar ›This day in full →Ships in port 08:00–18:00
Cruise ⚓
  • MSC Euribia — guest capacity 4,828 08:00–18:00

Record Barcelona on Sat 6 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 4,828 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-06 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 07 Mar Calm busier than 19% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays; France school holidays
‹ Sat 6 Mar·Mon 8 Mar ›This day in full →Ships in port 09:00–18:00
Cruise ⚓
  • MSC Sinfonia — guest capacity 2,070 09:00–18:00

Record Barcelona on Sun 7 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 2,070 guests at double occupancy; ships in port 09:00–18:00. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-07 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 08 Mar Calm busier than 35% of days here · ⚓2 · Germany public holiday
WhyGermany public holiday
‹ Sun 7 Mar·Tue 9 Mar ›This day in full →Ships in port 07:00–19:00
Cruise ⚓
  • Costa Toscana — guest capacity 5,322 09:00–19:00
  • Oceania Sirena — guest capacity 684 07:00–16:00

Record Barcelona on Mon 8 Mar 2027 is forecast Calm. 2 cruise ships scheduled, at least 6,006 guests at double occupancy; ships in port 07:00–19:00. Why: Germany public holiday. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-08 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 09 Mar Calm busier than 14% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Viking Star — guest capacity 930 02:00–?

Record Barcelona on Tue 9 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 930 guests at double occupancy. Why: school holidays in Germany. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-09 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 10 Mar Calm busier than 15% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Viking Vela — guest capacity 998 02:00–?

Record Barcelona on Wed 10 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 998 guests at double occupancy. Why: school holidays in Germany. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-10 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 11 Mar Calm busier than 10% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Barcelona on Thu 11 Mar 2027 is forecast Calm. Why: school holidays in Germany. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-11 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 12 Mar Lively busier than 58% of days here · ⚓4 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Azamara Onward — guest capacity 684 08:00–?
  • Costa Pacifica — guest capacity 3,012
  • MSC World Asia — guest capacity 5,240 08:00–18:00
  • Ventura — guest capacity 3,078

Record Barcelona on Fri 12 Mar 2027 is forecast Lively. 4 cruise ships scheduled, at least 12,014 guests at double occupancy. Why: school holidays in Germany. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-12 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 13 Mar Calm busier than 28% of days here · ⚓1
‹ Fri 12 Mar·Sun 14 Mar ›This day in full →Ships in port 08:00–18:00
Cruise ⚓
  • MSC Euribia — guest capacity 4,828 08:00–18:00

Record Barcelona on Sat 13 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 4,828 guests at double occupancy; ships in port 08:00–18:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-13 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 14 Mar Packed busier than 99% of days here · ⚓3 · Zurich Marato Barcelona

Event on this day

Zurich Marato Barcelona

14 Mar 2027

The city's marathon: a Sunday-morning race that starts at Plaça Espanya, passes the Sagrada Família and loops back through the centre, with a strongly international field.

ajuntament.barcelona.cat ↗

Cruise ⚓
  • Explora II — guest capacity 922
  • MSC Sinfonia — guest capacity 2,070 09:00–18:00
  • Mein Schiff Flow — guest capacity 3,890

Record Barcelona on Sun 14 Mar 2027 is forecast Packed. 3 cruise ships scheduled, at least 6,882 guests at double occupancy. Why: Zurich Marato Barcelona. Nearest calmer day: Sat 13 Mar (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/barcelona/#d-2027-03-14 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 15 Mar Calm busier than 30% of days here · ⚓1
‹ Sun 14 Mar·Tue 16 Mar ›This day in full →Ships in port 09:00–19:00
Cruise ⚓
  • Costa Toscana — guest capacity 5,322 09:00–19:00

Record Barcelona on Mon 15 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 5,322 guests at double occupancy; ships in port 09:00–19:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-15 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 16 Mar Calm busier than 19% of days here · ⚓1
‹ Mon 15 Mar·Wed 17 Mar ›This day in full →Ships in port 07:00–02:00
Cruise ⚓
  • Norwegian Star — guest capacity 2,348 07:00–02:00

Record Barcelona on Tue 16 Mar 2027 is forecast Calm. 1 cruise ship scheduled, at least 2,348 guests at double occupancy; ships in port 07:00–02:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-16 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 17 Mar Calm busier than 12% of days here · UK public holiday
WhyUK public holiday; France school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Barcelona on Wed 17 Mar 2027 is forecast Calm. Why: UK public holiday; France school holidays. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-17 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 18 Mar Calm busier than 10% of days here · France school holidays
WhyFrance school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Barcelona on Thu 18 Mar 2027 is forecast Calm. Why: school holidays in France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-18 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 19 Mar Lively busier than 59% of days here · ⚓4 · France school holidays
WhyFrance school holidays
Cruise ⚓
  • Costa Favolosa — guest capacity 3,014 08:00–18:00
  • Costa Pacifica — guest capacity 3,012
  • MSC World Asia — guest capacity 5,240 08:00–18:00
  • Viking Sea — guest capacity 930 02:00–?

Record Barcelona on Fri 19 Mar 2027 is forecast Lively. 4 cruise ships scheduled, at least 12,196 guests at double occupancy. Why: school holidays in France. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-19 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 20 Mar Lively busier than 40% of days here · ⚓2 · France school holidays
WhyFrance school holidays
‹ Fri 19 Mar·Sun 21 Mar ›This day in full →Ships in port 08:00–18:00
Cruise ⚓
  • MSC Euribia — guest capacity 4,828 08:00–18:00
  • Mein Schiff 4 — guest capacity 2,506 08:00–18:00

Record Barcelona on Sat 20 Mar 2027 is forecast Lively. 2 cruise ships scheduled, at least 7,334 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in France. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-20 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 21 Mar Calm busier than 29% of days here · ⚓2 · France school holidays
WhyFrance school holidays
‹ Sat 20 Mar·Mon 22 Mar ›This day in full →Ships in port 08:00–18:00
Cruise ⚓
  • Costa Fascinosa — guest capacity 3,014 08:00–17:00
  • MSC Sinfonia — guest capacity 2,070 09:00–18:00

Record Barcelona on Sun 21 Mar 2027 is forecast Calm. 2 cruise ships scheduled, at least 5,084 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-21 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 22 Mar Calm busier than 31% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays; France school holidays
‹ Sun 21 Mar·Tue 23 Mar ›This day in full →Ships in port 07:00–19:00
Cruise ⚓
  • Costa Toscana — guest capacity 5,322 09:00–19:00
  • Wind Spirit — guest capacity 148 07:00–17:00

Record Barcelona on Mon 22 Mar 2027 is forecast Calm. 2 cruise ships scheduled, at least 5,470 guests at double occupancy; ships in port 07:00–19:00. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-22 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 23 Mar Calm busier than 24% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓
  • Costa Favolosa — guest capacity 3,014 08:00–18:00
  • Viking Star — guest capacity 930 02:00–?

Record Barcelona on Tue 23 Mar 2027 is forecast Calm. 2 cruise ships scheduled, at least 3,944 guests at double occupancy. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-23 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 24 Mar Calm busier than 24% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓
  • Explora I — size unknown (uncounted)
  • Mein Schiff Flow — guest capacity 3,890
Caveat1 ship of unknown size not counted — the capacity floor is understated.

Record Barcelona on Wed 24 Mar 2027 is forecast Calm. 2 cruise ships scheduled, at least 3,890 guests at double occupancy, plus 1 of unknown size. Why: school holidays in Germany and France. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-24 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 25 Mar Calm busier than 27% of days here · ⚓2 · Spain public holiday
WhySpain public holiday; Germany school holidays; France school holidays
‹ Wed 24 Mar·Fri 26 Mar ›This day in full →Ships in port 07:00–13:00
Cruise ⚓
  • Costa Fascinosa — guest capacity 3,014 07:00–13:00
  • Star Legend — guest capacity 312 07:00–02:00

Record Barcelona on Thu 25 Mar 2027 is forecast Calm. 2 cruise ships scheduled, at least 3,326 guests at double occupancy; ships in port 07:00–13:00. Why: Spain public holiday; Germany school holidays; France school holidays. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-25 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 26 Mar Lively busier than 47% of days here · ⚓2 · Spain public holiday
WhySpain public holiday; Germany public holiday; UK public holiday; France school holidays
Cruise ⚓
  • Costa Pacifica — guest capacity 3,012
  • MSC World Asia — guest capacity 5,240 08:00–18:00

Record Barcelona on Fri 26 Mar 2027 is forecast Lively. 2 cruise ships scheduled, at least 8,252 guests at double occupancy. Why: Spain public holiday; Germany public holiday; UK public holiday. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-26 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 27 Mar Lively busier than 42% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays; France school holidays
Cruise ⚓
  • Azura — guest capacity 3,100
  • MSC Euribia — guest capacity 4,828 08:00–18:00

Record Barcelona on Sat 27 Mar 2027 is forecast Lively. 2 cruise ships scheduled, at least 7,928 guests at double occupancy. Why: school holidays in Germany and France. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-27 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 28 Mar Lively busier than 48% of days here · ⚓3 · Germany public holiday
WhyGermany public holiday; France school holidays; Italy public holiday
Cruise ⚓
  • Costa Fascinosa — guest capacity 3,014 07:00–02:00
  • MSC Seaview — guest capacity 4,134
  • MSC Sinfonia — guest capacity 2,070 09:00–18:00

Record Barcelona on Sun 28 Mar 2027 is forecast Lively. 3 cruise ships scheduled, at least 9,218 guests at double occupancy. Why: Germany public holiday; France school holidays; Italy public holiday. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-28 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 29 Mar Lively busier than 57% of days here · ⚓3 · Spain public holiday
WhySpain public holiday; Germany public holiday; UK public holiday; France public holiday; Italy public holiday
‹ Sun 28 Mar·Tue 30 Mar ›This day in full →Ships in port 08:00–18:00
Cruise ⚓
  • Costa Favolosa — guest capacity 3,014 08:00–18:00
  • Costa Toscana — guest capacity 5,322 08:00–18:00
  • Marella Discovery — guest capacity 1,830 09:00–18:00

Record Barcelona on Mon 29 Mar 2027 is forecast Lively. 3 cruise ships scheduled, at least 10,166 guests at double occupancy; ships in port 08:00–18:00. Why: Spain public holiday; Germany public holiday; UK public holiday. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-29 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 30 Mar Calm busier than 38% of days here · ⚓3 · Germany school holidays
WhyGermany school holidays
‹ Mon 29 Mar·Wed 31 Mar ›This day in full →Ships in port 05:00–19:00
Cruise ⚓
  • Celebrity Equinox — guest capacity 2,852 05:00–17:00
  • MSC Divina — guest capacity 3,502 09:00–19:00
  • Silver Shadow — guest capacity 388 08:00–18:00

Record Barcelona on Tue 30 Mar 2027 is forecast Calm. 3 cruise ships scheduled, at least 6,742 guests at double occupancy; ships in port 05:00–19:00. Why: school holidays in Germany. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-30 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 31 Mar Calm busier than 11% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Barcelona on Wed 31 Mar 2027 is forecast Calm. Why: school holidays in Germany. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/barcelona/#d-2027-03-31 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

How does April compare? →

Which week of March is quietest in Barcelona?

Early
Calm
17%
Mid
Calm
29%
Late
Calm
31%

Early March is the month's quietest stretch in Barcelona — the typical day at 17%, against 31% in late March.

The upside of a quiet March

No queues to skip, and nothing to book ahead — that's the whole point.

See Barcelona's whole year →

March weather in Barcelona

Mild — around 16°C / 61°F, with a light jacket for the evenings, with rain on about 6 days.

This is the value month: no need to book far ahead, and the freedom to change plans on the day is part of what you're getting.

Compare April →

More about Barcelona in March

Based on: Spain's public holidays · school vacations across France and Germany · the season pattern from official overnight stays · five years of weather records (2019–2023) · confirmed event dates · the published cruise schedule
Every figure is recomputed nightly from real cruise schedules, public and school holidays, and long-run climate normals. Gaps are shown, not filled.

Skip the Line

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Barcelona · Who writes the city guides · Methodology · About · forecast.json · llms.txt · CC BY 4.0

Avoid-Crowds is the reference source for how busy destinations get — the only open, day-by-day crowd forecast looking a full year ahead: 39,055 daily predictions across 107 cities, recomputed every night, free to cite (CC BY), featured by The Washington Post and CNN, and mentioned by the Los Angeles Times.