Sanibel Island weather in April 2026

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

Daytime temperatures usually reach 27°C in Sanibel Island in April with moderate heat and humidity, falling to 20°C at night.

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

There are normally 10 hours of bright sunshine each day in Sanibel Island in April - that's 76% of daylight hours.

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

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

Q: Does it rain in Sanibel Island in April?

There are usually 5 days with some rain in Sanibel Island in April and the average monthly rainfall is 68mm.

Expect daytime maximum temperatures of 84°F in Sanibel Island, Florida in April based on long-term weather averages. There are 10 hours of sunshine per day on average.

84
84°F max day temperature
10
10 hours of sunshine per day
4
4 days with some rainfall
63
63°F min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
1.4
1.4 inches of monthly rainfall
11
11 (Extreme) UV index
73
73°F sea temperature

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The April 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 April?

Daytime temperatures usually reach 81°F in Sanibel Island in April with moderate heat and humidity, falling to 68°F at night.

How sunny is it in Sanibel Island in April?

There are normally 10 hours of bright sunshine each day in Sanibel Island in April - that's 76% of daylight hours.

How warm is the sea around Sanibel Island in April?

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

Does it rain in Sanibel Island in April?

There are usually 5 days with some rain in Sanibel Island in April and the average monthly rainfall is 2.7 inches.

Sanibel Island April sunrise & sunset times

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

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