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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
27
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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.
Key West sunrise & sunset times for May 2021
Browse the sunrise & sunset times for Key West in May 2021. Select a month to view Key West sunrise & sunset times for the next twelve 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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Metric (°C / mm) | Imperial (°F / inches)
Discover more about Florida
Where is hot in Florida in May for 2021/2022?
Below are average maximum temperatures at popular destinations in Florida in May. Select a destination to see more weather parameters.
- Orlando
- Tampa
- Clearwater
- Fort Lauderdale
- St Pete Beach
- Tallahassee
- Daytona Beach
- Key West
- Miami
- Panama City
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