St Augustine weather in December 2026

Q: How hot is it in St Augustine in December?

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

Q: How sunny is it in St Augustine in December?

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

Q: How warm is the sea around St Augustine in December?

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

Q: Does it rain in St Augustine in December?

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

Expect daytime maximum temperatures of 68°F in St Augustine, Florida in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.5 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
48
48°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.5
2.5 inches of monthly rainfall
4
4 (Moderate) UV index
68
68°F sea temperature

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The December weather guide for Florida (St Augustine) 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)

More about Florida

How hot is it in St Augustine in December?

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

How sunny is it in St Augustine in December?

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

How warm is the sea around St Augustine in December?

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

Does it rain in St Augustine in December?

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

St Augustine December sunrise & sunset times

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

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