Miami weather in December 2026

Q: How hot is it in Miami in December?

Daytime temperatures usually reach 24°C in Miami in December, falling to 17°C at night.

Q: How sunny is it in Miami in December?

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

Q: How warm is the sea around Miami in December?

The average sea temperature around Miami in December is 25°C.

Q: Does it rain in Miami in December?

There are usually 6 days with some rain in Miami in December and the average monthly rainfall is 43mm.

Expect daytime maximum temperatures of 24°C in Miami, Florida in December based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 43 mm of rainfall in the month.

24
24°C max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
17
17°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
43
43 mm of monthly rainfall
5
5 (Moderate) UV index
25
25°C sea temperature

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The December weather guide for Florida (Miami) 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)