Key West weather in April 2021

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  • 28°C maximum daytime temperature in April in Key West28
    28°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in April in Key West4
    4 days with some rainfall
  • 21°C minimum night-time temperature in April in Key West21
    21°C min night temperature
  • 13 hours of daylight per day in April in Key West13
    13 hours of daylight per day
  • Moderate heat & humidity in April in Key WestM
    Moderate heat & humidity
  • 46 mm monthly rainfall in April in Key West46
    46 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in April in Key West11
    11 (Extreme) UV index
  • 25°C sea temperature in April in Key West25
    25°C sea temperature
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The April 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 April?

Daytime temperatures usually reach 28°C in Key West in April with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Key West in April?

There are normally 11 hours of bright sunshine each day in Key West in April - that's 83% of daylight hours.

How warm is the sea around Key West in April?

The average sea temperature around Key West in April is 25°C.

Does it rain in Key West in April?

There are usually 4 days with some rain in Key West in April and the average monthly rainfall is 46mm.

Key West sunrise & sunset times for April 2021

Browse the sunrise & sunset times for Key West in April 2021. Select a month to view Key West sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st April 2021 07:19 19:44
Thursday, 15th April 2021 07:05 19:49
Friday, 30th April 2021 06:53 19:56

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Metric (°C / mm)  |  Imperial (°F / inches)

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Discover more about Florida

Where is hot in Florida in April for 2021/2022?

Below are average maximum temperatures at popular destinations in Florida in April. Select a destination to see more weather parameters.

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