Key Largo weather in January 2026

Expect daytime maximum temperatures of 24°C in Key Largo, Florida in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 51 mm of rainfall in the month.

  • 24°C maximum daytime temperature in January in Key Largo24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in January in Key Largo7
    7 days with some rainfall
  • 14°C minimum night-time temperature in January in Key Largo14
    14°C min night temperature
  • 11 hours of daylight per day in January in Key Largo11
    11 hours of daylight per day
  • No heat & humidity in January in Key Largo0
    No heat & humidity
  • 51 mm monthly rainfall in January in Key Largo51
    51 mm of monthly rainfall
  • UV (maximum) index 6 (High) in January in Key Largo6
    6 (High) UV index
  • 24°C sea temperature in January in Key Largo24
    24°C sea temperature

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The January 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 January?

Daytime temperatures usually reach 24°C in Key Largo in January, falling to 14°C at night.

How sunny is it in Key Largo in January?

There are normally 7 hours of bright sunshine each day in Key Largo in January - that's 68% of daylight hours.

How warm is the sea around Key Largo in January?

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

Does it rain in Key Largo in January?

There are usually 7 days with some rain in Key Largo in January and the average monthly rainfall is 51mm.

Key Largo January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:07 17:44
Friday, 16th January 2026 07:09 17:55
Saturday, 31st January 2026 07:05 18:06

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