Sanibel Island weather in December 2026

Q: How hot is it in Sanibel Island in December?

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

Q: How sunny is it in Sanibel Island in December?

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

Q: How warm is the sea around Sanibel Island in December?

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

Q: Does it rain in Sanibel Island in December?

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

Expect daytime maximum temperatures of 75°F in Sanibel Island, Florida in December based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

75
75°F max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
55
55°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
1.7
1.7 inches of monthly rainfall
5
5 (Moderate) UV index
72
72°F sea temperature

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The December weather guide for Florida (Sanibel Island) 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 Sanibel Island in December?

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

How sunny is it in Sanibel Island in December?

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

How warm is the sea around Sanibel Island in December?

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

Does it rain in Sanibel Island in December?

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

Sanibel Island December sunrise & sunset times

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

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