Key West weather in March 2020

  • 26°C maximum daytime temperature in March in Key West26
    26°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in March in Key West5
    5 days with some rainfall
  • 20°C minimum night-time temperature in March in Key West20
    20°C min night temperature
  • 12 hours of daylight per day in March in Key West12
    12 hours of daylight per day
  • Low heat & humidity in March in Key WestL
    Low heat & humidity
  • 40 mm monthly rainfall in March in Key West40
    40 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Key West10
    10 (Very High) UV index
  • 23°C sea temperature in March in Key West23
    23°C sea temperature
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The March 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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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Key West weather in March

The average maximum daytime temperature in Key West in March is a warm 26°C (79°F) with low heat & humidity. The average night-time temperature is usually a comfortable 20°C (68°F). There are usually 10 hours of bright sunshine each day, which represents 81% of the 12 hours of daylight.

Expect 40mm (1.6 inches) of rainfall across the whole of March with 5 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

The average sea temperature in and around Key West in March is 23°C (73°F).

Key West sunrise & sunset times for March 2020

Browse the sunrise & sunset times for Key West in March 2020. Select a month to view Key West sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2020 06:49 18:30
Monday, 16th March 2020 07:35 19:37
Tuesday, 31st March 2020 07:19 19:43
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  • Plus the Florida Keys or the beach on the Gulf or Atlantic coast

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

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