Jacksonville weather in December 2026

Q: How hot is it in Jacksonville in December?

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

Q: How sunny is it in Jacksonville in December?

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

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

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

Q: Does it rain in Jacksonville in December?

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

Expect daytime maximum temperatures of 68°F in Jacksonville, Florida in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.6 inches of rainfall in the month.

68
68°F max day temperature
6
6 hours of sunshine per day
7
7 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.6
2.6 inches of monthly rainfall
4
4 (Moderate) UV index

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The December weather guide for Florida (Jacksonville) 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) | Imperial (°F)

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How hot is it in Jacksonville in December?

Daytime temperatures usually reach 75°F in Jacksonville in December, falling to 63°F at night.

How sunny is it in Jacksonville in December?

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

How warm is the sea around Jacksonville in December?

The average sea temperature around Jacksonville in December is 77°F.

Does it rain in Jacksonville in December?

There are usually 6 days with some rain in Jacksonville in December and the average monthly rainfall is 1.7 inches.

Jacksonville December sunrise & sunset times

Browse the sunrise and sunset times for Jacksonville in December 2026. Select a month to view Jacksonville sunrise and sunset times for the next 12 months.

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