Key Largo weather in January 2027

Q: How hot is it in Key Largo in January?

Daytime temperatures usually reach 24°C in Key Largo in January, falling to 16°C at night.

Q: 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 66% of daylight hours.

Q: How warm is the sea around Key Largo in January?

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

Q: 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 61mm.

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
24°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
14
14°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
51
51 mm of monthly rainfall
6
6 (High) UV index
24
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)