Updated 16 Sep 2026 · recomputed nightly
Is May 2027 a good month to visit Key West?
Busy — the typical May day in Key West is busier than 61% of its year.
If you are coming for something that only happens in May, that is the trade. If not, September is quieter.
Calm · Lively · Busy · Packed rank a day against Key West's own year — not a headcount.
May 2027 is peak-season Key West: warm and wet, around 27°C / 81°F with rain on about 12 days, and Busy on 12 of 31 days.
No. The typical May day in Key West is Busy, and 14 of the 31 days in our window run Busy or Packed. Expect around 27 °C by day, with rain on about 12 days. Public holidays in United States add to it. Cruise ships call on 20 of the 31 days. Mid May is the month's quietest stretch in Key West — the typical day at 41%, against 66% in late May. The crush is at Mallory Square at sunset; the quiet is at the old town's back lanes. The calmest day is Sunday 2 May, the busiest Monday 10 May.
In short, a hard sell — heavy crowds without the best of the weather.
Among the 12 months we forecast for Key West, May ranks 7th for crowd pressure. Its heaviest day is Mon 10 May, busier than 92% of the year; its lightest is Sun 2 May at 23%.
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 →
Pack for wet first — rain on 12 of 31 days.
A folding one lives in the day bag and weighs nothing.
See umbrellas →
Wet stone is the thing to plan around in a month this wet.
See walking shoes →
How busy is Key West in May?
The busiest days are the 1st, 8th, 10th and 24th, and 10 more. Away from those, most days sit Calm. The calmest stretch is the 12th–14th.
Cruise ships are in port on 20 of 31 days; the heaviest is Mon 24 May, 1 ship 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 23% of the year and its heaviest at 92%, so where you land inside it matters. All five Saturdays run Busy or Packed. Daylight runs about 13 hours.
Either side of it, April picks up and June is a little calmer.
The calmest days include the 2nd, 3rd and 5th — 10 days share that level, so there is room to choose.
Sat 01 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Sat 1 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Fri 30 Apr (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-01 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 02 May Calm busier than 23% of days here
Record Key West on Sun 2 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-02 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 03 May Calm busier than 23% of days here
Record Key West on Mon 3 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-03 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 04 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Tue 4 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Mon 3 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-04 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 05 May Calm busier than 23% of days here
Record Key West on Wed 5 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-05 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 06 May Calm busier than 23% of days here
Record Key West on Thu 6 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-06 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 07 May Busy busier than 66% of days here · ⚓1
- Valiant Lady — guest capacity 2,770 08:00–17:00
Record Key West on Fri 7 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,770 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Thu 6 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-07 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 08 May Busy busier than 82% of days here · ⚓1 · United States public holiday
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Sat 8 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Why: United States public holiday. Nearest calmer day: Sun 9 May (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-08 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 09 May Lively busier than 49% of days here · ⚓1
- Margaritaville At Sea Islander — guest capacity 2,210 13:00–19:00
Record Key West on Sun 9 May 2027 is forecast Lively. 1 cruise ship scheduled, at least 2,210 guests at double occupancy; ships in port 13:00–19:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-09 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 10 May Packed busier than 92% of days here · ⚓1
- Carnival Dream — guest capacity 3,646 10:00–18:00
Record Key West on Mon 10 May 2027 is forecast Packed. 1 cruise ship scheduled, at least 3,646 guests at double occupancy; ships in port 10:00–18:00. Nearest calmer day: Sun 9 May (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-10 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 11 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Tue 11 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Wed 12 May (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-11 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 12 May Lively busier than 41% of days here · ⚓1
- Margaritaville At Sea Paradise — guest capacity 1,308 07:00–16:00
Record Key West on Wed 12 May 2027 is forecast Lively. 1 cruise ship scheduled, at least 1,308 guests at double occupancy; ships in port 07:00–16:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-12 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 13 May Calm busier than 23% of days here
Record Key West on Thu 13 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-13 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 14 May Calm busier than 23% of days here
Record Key West on Fri 14 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-14 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 15 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Sat 15 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Fri 14 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-15 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 16 May Lively busier than 61% of days here · ⚓1
- Margaritaville At Sea Beachcomber — guest capacity 2,698 07:00–15:00
Record Key West on Sun 16 May 2027 is forecast Lively. 1 cruise ship scheduled, at least 2,698 guests at double occupancy; ships in port 07:00–15:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-16 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 17 May Calm busier than 23% of days here
Record Key West on Mon 17 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-17 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 18 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Tue 18 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Mon 17 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-18 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 19 May Lively busier than 41% of days here · ⚓1
- Margaritaville At Sea Paradise — guest capacity 1,308 07:00–16:00
Record Key West on Wed 19 May 2027 is forecast Lively. 1 cruise ship scheduled, at least 1,308 guests at double occupancy; ships in port 07:00–16:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-19 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 20 May Calm busier than 23% of days here
Record Key West on Thu 20 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-20 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 21 May Busy busier than 66% of days here · ⚓1
- Valiant Lady — guest capacity 2,770 08:00–17:00
Record Key West on Fri 21 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,770 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Thu 20 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-21 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 22 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Sat 22 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Sun 23 May (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-22 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 23 May Lively busier than 49% of days here · ⚓1
- Margaritaville At Sea Islander — guest capacity 2,210 13:00–19:00
Record Key West on Sun 23 May 2027 is forecast Lively. 1 cruise ship scheduled, at least 2,210 guests at double occupancy; ships in port 13:00–19:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-23 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 24 May Packed busier than 92% of days here · ⚓1
- Carnival Breeze — guest capacity 3,690 10:00–18:00
Record Key West on Mon 24 May 2027 is forecast Packed. 1 cruise ship scheduled, at least 3,690 guests at double occupancy; ships in port 10:00–18:00. Nearest calmer day: Sun 23 May (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-24 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 25 May Busy busier than 71% of days here · ⚓1
- Carnival Liberty — guest capacity 2,978 08:00–16:00
Record Key West on Tue 25 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,978 guests at double occupancy; ships in port 08:00–16:00. Nearest calmer day: Sun 23 May (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-25 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 26 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Wed 26 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Thu 27 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-26 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 27 May Calm busier than 23% of days here
Record Key West on Thu 27 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-27 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 28 May Calm busier than 23% of days here
Record Key West on Fri 28 May 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-28 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 29 May Busy busier than 74% of days here · ⚓1
- Celebrity Reflection — guest capacity 3,046 08:00–17:00
Record Key West on Sat 29 May 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,046 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Fri 28 May (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/key-west-florida/#d-2027-05-29 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 30 May Lively busier than 61% of days here · ⚓1
- Margaritaville At Sea Beachcomber — guest capacity 2,698 07:00–15:00
Record Key West on Sun 30 May 2027 is forecast Lively. 1 cruise ship scheduled, at least 2,698 guests at double occupancy; ships in port 07:00–15:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-30 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 31 May Calm busier than 26% of days here · United States public holiday
Record Key West on Mon 31 May 2027 is forecast Calm. Why: United States public holiday. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/key-west-florida/#d-2027-05-31 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Which week of May is quietest in Key West?
Mid May is the month's quietest stretch in Key West — the typical day at 41%, against 66% in late May.
Can't move the dates? How to avoid the worst crowds
- Need flexibility? The 12th–14th is the month's calmest stretch — the easiest window to move around in.
- On the busy days, the walk-up queues for the big sights are the biggest time-sink — a timed-entry ticket skips them, which is where a busy month is won or lost.
Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.
May weather in Key West
Comfortably warm — around 27°C / 81°F, easy shirtsleeve weather, with rain on about 12 days, so keep a layer handy.
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.
More about Key West in May
Based on: United States' public holidays · the official airport-arrivals pattern (BTS T-100, measured 2023–2025; airport-arrivals proxy for visitor volume, biased low for drive-in visitors) · 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.
