Key West in May
May in Key West brings highs around 86°F (30°C), lows near 76°F and about 8 rainy days. The sun sets around 8:03 pm. The sea is about 80°F (27°C). It's a good month for sightseeing, if not the best.
Photo: Julian Lupyan, CC0
What May is good for in Key West
Each activity rated for May's weather and sea.
May next to April and June
| Month | April | May | June |
|---|---|---|---|
| High | 83°F (28°C) | 86°F (30°C) | 89°F (32°C) |
| Low | 73°F (23°C) | 76°F (25°C) | 79°F (26°C) |
| Rainy days | 5 | 8 | 11 |
| Sea | 77°F | 80°F | 84°F |
| Sunset | 7:49 pm | 8:03 pm | 8:17 pm |
| Daylight | 12 h 44 min | 13 h 19 min | 13 h 39 min |
Averages for Key West Int'l, Florida, 1991–2020; sunrise and sunset on the 15th. Key West water temperature by month.
Tours in Key West
Southernmost Food & Cultural Walking Tour by Key West Food ToursFrom $94View 
Key West Hop-On Hop-Off Trolley TourFrom $56View 
Key West Conch Tour TrainFrom $45View 
Guided Bike Tour of Old Town Key WestFrom $59View 
Key West Mangrove Kayak Eco TourFrom $80View 
Key West Ghosts and Gravestones Trolley TourFrom $40View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is May a good time to visit Key West?
It's a good month for sightseeing, if not the best. The most comfortable months overall are January, February, March and December.
How hot is Key West in May?
Average highs are about 86°F (30°C) and lows about 76°F (25°C).
Does it rain much in Key West in May?
May averages 8 rainy days, against 16 in the wettest month.
How warm is the sea in Key West in May?
About 80°F (27°C). Warm enough for long swims and snorkeling.
