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Key West weather in May 2021
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- 2929°C max day temperature
- 88 days with some rainfall
- 2323°C min night temperature
- 1313 hours of daylight per day
- HHigh heat & humidity
- 107107 mm of monthly rainfall
- 1111 (Extreme) UV index
- 2727°C sea temperature
Recommended for Florida
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.
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.
|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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