Key West weather in April 2026

Expect daytime maximum temperatures of 28°C in Key West, Florida in April based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 46 mm of rainfall in the month.

  • 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 Florida (Key West) 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.

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

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More about Florida

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 April sunrise & sunset times

Browse the sunrise and sunset times for Key West in April 2026. Select a month to view Key West sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:19 18:43
Wednesday, 15th April 2026 06:05 18:49
Thursday, 30th April 2026 05:53 18:56

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