Sanibel Island weather in March 2026

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

Daytime temperatures usually reach 25°C in Sanibel Island in March with low heat and humidity, falling to 18°C at night.

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

There are normally 9 hours of bright sunshine each day in Sanibel Island in March - that's 75% of daylight hours.

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

The average sea temperature around Sanibel Island in March is 24°C.

Q: Does it rain in Sanibel Island in March?

There are usually 6 days with some rain in Sanibel Island in March and the average monthly rainfall is 53mm.

Expect daytime maximum temperatures of 79°F in Sanibel Island, Florida in March based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 2.9 inches of rainfall in the month.

79
79°F max day temperature
9
9 hours of sunshine per day
6
6 days with some rainfall
59
59°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
2.9
2.9 inches of monthly rainfall
9
9 (Very High) UV index
70
70°F sea temperature

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The March 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 March?

Daytime temperatures usually reach 77°F in Sanibel Island in March with low heat and humidity, falling to 64°F at night.

How sunny is it in Sanibel Island in March?

There are normally 9 hours of bright sunshine each day in Sanibel Island in March - that's 75% of daylight hours.

How warm is the sea around Sanibel Island in March?

The average sea temperature around Sanibel Island in March is 75°F.

Does it rain in Sanibel Island in March?

There are usually 6 days with some rain in Sanibel Island in March and the average monthly rainfall is 2.1 inches.

Sanibel Island March sunrise & sunset times

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

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