Updated 16 Sep 2026 · recomputed nightly

Is August 2027 a good month to visit Oslo?

Busy — the typical August day in Oslo is busier than 84% of its year.

If you are coming for something that only happens in August, that is the trade. If not, January is quieter.

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

August 2027 is peak-season Oslo: mild and wet, around 21°C / 70°F with rain on about 12 days, and Busy or Packed on all 31 days — 16 of them Busy, the other 15 Packed.

No — not if you want Oslo to yourself. Every one of August's 31 days in our window is Busy or Packed, and the typical day is Busy. It is crowded throughout. Expect around 21 °C by day, with rain on about 12 days. The crowd comes with the school holidays in Germany. Cruise ships call on 23 of the 31 days, 2 at once on Friday 20 August. Mid August is the month's quietest stretch in Oslo — the typical day at 75%, against 94% in early August. For similar weather with fewer people, come in June or September. The crush is at the Opera roof at golden hour; the quiet is at the Marka forests. The calmest day is Sunday 29 August, the busiest Friday 20 August.

In short, a hard sell — heavy crowds without the best of the weather.

Among the 12 months we forecast for Oslo, August ranks 2nd for crowd pressure. Its heaviest day is Fri 20 Aug, busier than 99% of the year; its lightest is Sun 29 Aug at 65%.

Crowds
Busy or Packed · all 31
0 calm · 0 lively
Weather
21°C / 70°F
rain ~12 days
Value
A poor trade
a hard sell — heavy crowds without the best of the weather

Preparing pays off in a month like this: timed-entry tickets and pre-booked tours turn the queue time into sightseeing time. see the options →

What to pack for Oslo in August

Pack for wet first — rain on 12 of 31 days.

Two people walking under one umbrella in the rain
rain on 12 of 31 days Compact umbrella

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

See umbrellas →
A pair of worn walking trainers, seen from above
most sightseeing is on foot Walking shoes with grip

Wet stone is the thing to plan around in a month this wet.

See walking shoes →

How busy is Oslo in August?

The busiest days are the 2nd, 16th, 20th and 30th, and 27 more.

Cruise ships are in port on 23 of 31 days; the heaviest is Fri 20 Aug, 2 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 65% of the year and its heaviest at 99%, so where you land inside it matters. Daylight runs about 15 hours.

Either side of it, September is much calmer.

The lightest days are the 10th, 29th and 31st. Still busy — but the easiest of the month.
CalmLivelyBusyPacked⚓ ships in port · % = busier than this share of the year · tap any day for its full forecast
Easiest daysTue 10 · Sun 29 · Tue 31 — The lightest days are the 10th, 29th and 31st. Still busy — but the easiest of the month.
Busiest daysMon 2 · Mon 16 · Fri 20 · Mon 30 — the heaviest of 31 busier days — check the calendar for the rest.
Sun 01 Aug Busy busier than 67% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Sun 1 Aug 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-01 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 02 Aug Packed busier than 98% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays; UK public holiday
Cruise ⚓
  • AIDAnova — guest capacity 5,400 08:00–18:00

Record Oslo on Mon 2 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 5,400 guests at double occupancy; ships in port 08:00–18:00. Why: Germany school holidays; UK public holiday. Nearest calmer day: Sun 1 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-02 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 03 Aug Packed busier than 88% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Rotterdam — guest capacity 2,668

Record Oslo on Tue 3 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 2,668 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sun 1 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-03 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 04 Aug Packed busier than 95% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Mein Schiff Relax — guest capacity 3,890 08:00–19:00

Record Oslo on Wed 4 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 3,890 guests at double occupancy; ships in port 08:00–19:00. Why: school holidays in Germany. Nearest calmer day: Sun 1 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-04 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 05 Aug Packed busier than 96% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Freedom Of The Seas — size unknown (uncounted)
Caveat1 ship of unknown size not counted — the capacity floor is understated.

Record Oslo on Thu 5 Aug 2027 is forecast Packed. Why: school holidays in Germany. 1 cruise ship scheduled, sizes unknown. Nearest calmer day: Sat 7 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-05 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 06 Aug Packed busier than 92% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • MSC Magnifica — guest capacity 2,506 08:00–16:00
  • Viking Saturn — guest capacity 930 02:00–?

Record Oslo on Fri 6 Aug 2027 is forecast Packed. 2 cruise ships scheduled, at least 3,436 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sat 7 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-06 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 07 Aug Busy busier than 73% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • SeaDream I — guest capacity 112
  • Silver Spirit — guest capacity 608 08:00–18:00

Record Oslo on Sat 7 Aug 2027 is forecast Busy. 2 cruise ships scheduled, at least 720 guests at double occupancy. Why: school holidays in Germany. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-07 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 08 Aug Packed busier than 96% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Caribbean Princess — guest capacity 3,138 10:00–20:00
  • Viking Libra — guest capacity 998

Record Oslo on Sun 8 Aug 2027 is forecast Packed. 2 cruise ships scheduled, at least 4,136 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sat 7 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-08 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 09 Aug Packed busier than 96% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Explora IV — size unknown (uncounted)
Caveat1 ship of unknown size not counted — the capacity floor is understated.

Record Oslo on Mon 9 Aug 2027 is forecast Packed. Why: school holidays in Germany. 1 cruise ship scheduled, sizes unknown. Nearest calmer day: Tue 10 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-09 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 10 Aug Busy busier than 66% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Tue 10 Aug 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-10 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 11 Aug Packed busier than 90% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Celebrity Apex — guest capacity 2,918 09:00–18:00

Record Oslo on Wed 11 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 2,918 guests at double occupancy; ships in port 09:00–18:00. Why: school holidays in Germany. Nearest calmer day: Tue 10 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-11 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 12 Aug Busy busier than 75% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Viking Vesta — guest capacity 998

Record Oslo on Thu 12 Aug 2027 is forecast Busy. 1 cruise ship scheduled, at least 998 guests at double occupancy. Why: school holidays in Germany. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-12 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 13 Aug Busy busier than 66% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Fri 13 Aug 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-13 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 14 Aug Busy busier than 75% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Viking Sky — guest capacity 928

Record Oslo on Sat 14 Aug 2027 is forecast Busy. 1 cruise ship scheduled, at least 928 guests at double occupancy. Why: school holidays in Germany. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-14 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 15 Aug Busy busier than 84% of days here · ⚓1 · Germany public holiday
WhyGermany public holiday
‹ Sat 14 Aug·Mon 16 Aug ›This day in full →Ships in port 08:00–18:00
Cruise ⚓
  • AIDAmar — guest capacity 2,194 08:00–18:00

Record Oslo on Sun 15 Aug 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,194 guests at double occupancy; ships in port 08:00–18:00. Why: Germany public holiday. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-15 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 16 Aug Packed busier than 98% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • AIDAnova — guest capacity 5,400 08:00–18:00

Record Oslo on Mon 16 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 5,400 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in Germany. Nearest calmer day: Sun 15 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-16 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 17 Aug Busy busier than 70% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
‹ Mon 16 Aug·Wed 18 Aug ›This day in full →Ships in port 08:00–15:00
Cruise ⚓
  • Amadea — guest capacity 508 08:00–15:00

Record Oslo on Tue 17 Aug 2027 is forecast Busy. Why: school holidays in Germany. 1 cruise ship scheduled, at least 508 guests at double occupancy; ships in port 08:00–15:00. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-17 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 18 Aug Busy busier than 70% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
‹ Tue 17 Aug·Thu 19 Aug ›This day in full →Ships in port 09:00–18:00
Cruise ⚓
  • Seabourn Quest — guest capacity 458 09:00–18:00

Record Oslo on Wed 18 Aug 2027 is forecast Busy. Why: school holidays in Germany. 1 cruise ship scheduled, at least 458 guests at double occupancy; ships in port 09:00–18:00. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-18 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 19 Aug Busy busier than 74% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Viking Saturn — guest capacity 930

Record Oslo on Thu 19 Aug 2027 is forecast Busy. 1 cruise ship scheduled, at least 930 guests at double occupancy. Why: school holidays in Germany. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-19 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 20 Aug Packed busier than 99% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Caribbean Princess — guest capacity 3,138 10:00–20:00
  • MSC Magnifica — guest capacity 2,506 08:00–16:00

Record Oslo on Fri 20 Aug 2027 is forecast Packed. 2 cruise ships scheduled, at least 5,644 guests at double occupancy; ships in port 08:00–20:00. Why: school holidays in Germany. Nearest calmer day: Thu 19 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-20 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 21 Aug Busy busier than 66% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Sat 21 Aug 2027 is forecast Busy. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-21 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 22 Aug Packed busier than 89% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Celebrity Eclipse — guest capacity 2,850 08:00–18:00

Record Oslo on Sun 22 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 2,850 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in Germany. Nearest calmer day: Sat 21 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-22 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 23 Aug Packed busier than 95% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Explora IV — size unknown (uncounted)
Caveat1 ship of unknown size not counted — the capacity floor is understated.

Record Oslo on Mon 23 Aug 2027 is forecast Packed. Why: school holidays in Germany. 1 cruise ship scheduled, sizes unknown. Nearest calmer day: Sat 21 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-23 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 24 Aug Packed busier than 93% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Sky Princess — guest capacity 3,668 07:00–16:00

Record Oslo on Tue 24 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 3,668 guests at double occupancy; ships in port 07:00–16:00. Why: school holidays in Germany. Nearest calmer day: Wed 25 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-24 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Wed 25 Aug Busy busier than 66% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Wed 25 Aug 2027 is forecast Busy. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-25 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Thu 26 Aug Packed busier than 87% of days here · ⚓2 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Freedom Of The Seas — size unknown (uncounted)
  • Norwegian Jewel — guest capacity 2,388 10:00–21:00
Caveat1 ship of unknown size not counted — the capacity floor is understated.

Record Oslo on Thu 26 Aug 2027 is forecast Packed. 2 cruise ships scheduled, at least 2,388 guests at double occupancy, plus 1 of unknown size. Why: school holidays in Germany. Nearest calmer day: Wed 25 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-26 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Fri 27 Aug Busy busier than 75% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays
Cruise ⚓
  • Viking Libra — guest capacity 998

Record Oslo on Fri 27 Aug 2027 is forecast Busy. 1 cruise ship scheduled, at least 998 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-27 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sat 28 Aug Busy busier than 66% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Sat 28 Aug 2027 is forecast Busy. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-28 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Sun 29 Aug Busy busier than 65% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Sun 29 Aug 2027 is forecast Busy. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-29 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Mon 30 Aug Packed busier than 98% of days here · ⚓1 · Germany school holidays
WhyGermany school holidays; UK public holiday
Cruise ⚓
  • AIDAnova — guest capacity 5,400 08:00–18:00

Record Oslo on Mon 30 Aug 2027 is forecast Packed. 1 cruise ship scheduled, at least 5,400 guests at double occupancy; ships in port 08:00–18:00. Why: Germany school holidays; UK public holiday. Nearest calmer day: Sun 29 Aug (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-30 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

Tue 31 Aug Busy busier than 65% of days here · Germany school holidays
WhyGermany school holidays
Cruise ⚓ No ships scheduled — confirmed by the port schedule.

Record Oslo on Tue 31 Aug 2027 is forecast Busy. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/oslo/#d-2027-08-31 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)

How does September compare? →

Which week of August is quietest in Oslo?

Early
Packed
94%
Mid
Busy
75%
Late
Busy
75%

Mid August is the month's quietest stretch in Oslo — the typical day at 75%, against 94% in early August.

Can't move the dates? How to avoid the worst crowds

–9am
Own the morning.The ships dock and unload mid-morning. The headline sights before nine are yours.
10–5
Go where the day-trippers don't.Away from the headline sights it stays manageable all day. Save the marquee ones.
5pm+
Take the city back.Ships sail by early evening and the squares empty out — the best hour of the day.

Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.

See skip-the-line options for Oslo →

August weather in Oslo

Comfortably warm — around 21°C / 70°F, easy shirtsleeve weather, with rain on about 12 days, so keep a layer handy. The days are long too — close to 15 hours of light — so the evenings stay open for walking once the heat drops.

Book beds and the big-ticket sights well ahead, and start your days by eight — in a month this full, the early hours are the only uncrowded ones.

Compare September →

More about Oslo in August

Based on: Norway's public holidays · school vacations in 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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Oslo · 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.