Key West in May
8.1out of 10
Yes, a good time to go
Warm and comfortable: highs around 27°C. Some rain: about 8 rainy days.
27°CAvg high
25°CAvg low
8Rainy days (66 mm)
13:12 hDaylight
06:48Sunrise · 19:59 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Some rain: about 8 rainy days
- Rain varies a lot between years (±4.5 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
How reliable is the forecast?
Rain in May varies a lot between years (±4.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 23°C | 21°C | 37 mm | 6 | – | – | 8.3 |
| February | 23°C | 21°C | 30 mm | 4 | – | – | 8.6 |
| March | 24°C | 22°C | 26 mm | 4 | – | – | 8.6 |
| April | 25°C | 24°C | 39 mm | 4 | – | – | 8.5 |
| May | 27°C | 25°C | 66 mm | 8 | – | – | 8.1 |
| June | 28°C | 27°C | 105 mm | 13 | – | – | 7.2 |
| July | 29°C | 27°C | 64 mm | 13 | – | – | 7.4 |
| August | 29°C | 27°C | 103 mm | 16 | – | – | 6.8 |
| September | 29°C | 27°C | 138 mm | 18 | – | – | 6.5 |
| October | 27°C | 26°C | 117 mm | 13 | – | – | 7.2 |
| November | 25°C | 24°C | 37 mm | 6 | – | – | 8.3 |
| December | 24°C | 22°C | 32 mm | 5 | – | – | 8.5 |
Frequently asked questions
How hot is Key West in May?
Daytime highs average 27°C and nights about 25°C.
When is the best time to visit Key West?
The best months are February, March, April, December.