Fort Myers weather in December 2025

Expect daytime maximum temperatures of 24°C in Fort Myers, Florida in December based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 40 mm of rainfall in the month.

  • 24°C maximum daytime temperature in December in Fort Myers24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in December in Fort Myers6
    6 days with some rainfall
  • 13°C minimum night-time temperature in December in Fort Myers13
    13°C min night temperature
  • 10 hours of daylight per day in December in Fort Myers10
    10 hours of daylight per day
  • No heat & humidity in December in Fort Myers0
    No heat & humidity
  • 40 mm monthly rainfall in December in Fort Myers40
    40 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in December in Fort Myers5
    5 (Moderate) UV index
  • 21°C sea temperature in December in Fort Myers21
    21°C sea temperature

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The December weather guide for Florida (Fort Myers) 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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How hot is it in Fort Myers in December?

Daytime temperatures usually reach 24°C in Fort Myers in December, falling to 13°C at night.

How sunny is it in Fort Myers in December?

There are normally 7 hours of bright sunshine each day in Fort Myers in December - that's 66% of daylight hours.

How warm is the sea around Fort Myers in December?

The average sea temperature around Fort Myers in December is 21°C.

Does it rain in Fort Myers in December?

There are usually 6 days with some rain in Fort Myers in December and the average monthly rainfall is 40mm.

Fort Myers December sunrise & sunset times

Browse the sunrise and sunset times for Fort Myers in December 2025. Select a month to view Fort Myers sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:59 17:34
Tuesday, 16th December 2025 07:09 17:38
Wednesday, 31st December 2025 07:16 17:46

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