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Key West weather in May 2021
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- 29°C max day temperature
29 - 11 hours of sunshine per day
- 8 days with some rainfall
8 - 23°C min night temperature
23 - 13 hours of daylight per day
13 - High heat & humidity
H - 107 mm of monthly rainfall
107 - 11 (Extreme) UV index
11 - 27°C sea temperature
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The May weather guide for Key West, Florida shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
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How hot is it in Key West in May?
Daytime temperatures usually reach 29°C in Key West in May with high heat and humidity, falling to 23°C at night.
How sunny is it in Key West in May?
There are normally 11 hours of bright sunshine each day in Key West in May - that's 79% of daylight hours.
How warm is the sea around Key West in May?
The average sea temperature around Key West in May is 27°C.
Does it rain in Key West in May?
There are usually 8 days with some rain in Key West in May and the average monthly rainfall is 107mm.
Metric (°C / mm) | Imperial (°F / inches)
Key West sunrise & sunset times for May 2021
Browse the sunrise and sunset times for Key West in May 2021. Select a month to view Key West sunrise & sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st May 2021 | 06:52 | 19:57 |
| Sunday, 16th May 2021 | 06:43 | 20:04 |
| Monday, 31st May 2021 | 06:38 | 20:12 |
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