Key Largo weather in March 2025

Expect daytime maximum temperatures of 27°C in Key Largo in March based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 57 mm of rainfall in the month.

  • 27°C maximum daytime temperature in March in Key Largo27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in March in Key Largo6
    6 days with some rainfall
  • 16°C minimum night-time temperature in March in Key Largo16
    16°C min night temperature
  • 12 hours of daylight per day in March in Key Largo12
    12 hours of daylight per day
  • Low heat & humidity in March in Key LargoL
    Low heat & humidity
  • 57 mm monthly rainfall in March in Key Largo57
    57 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Key Largo10
    10 (Very High) UV index
  • 24°C sea temperature in March in Key Largo24
    24°C sea temperature

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The March weather guide for Florida (Key Largo) 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 Largo in March?

Daytime temperatures usually reach 27°C in Key Largo in March with low heat and humidity, falling to 16°C at night.

How sunny is it in Key Largo in March?

There are normally 9 hours of bright sunshine each day in Key Largo in March - that's 75% of daylight hours.

How warm is the sea around Key Largo in March?

The average sea temperature around Key Largo in March is 24°C.

Does it rain in Key Largo in March?

There are usually 6 days with some rain in Key Largo in March and the average monthly rainfall is 57mm.

Key Largo March sunrise & sunset times

Browse the sunrise and sunset times for Key Largo in March 2025. Select a month to view Key Largo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:44 18:24
Sunday, 16th March 2025 06:30 18:31
Monday, 31st March 2025 06:14 18:38

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