Sanibel Island weather in October 2025

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

Daytime temperatures usually reach 30°C in Sanibel Island in October with high heat and humidity, falling to 20°C at night.

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

There are normally 8 hours of bright sunshine each day in Sanibel Island in October - that's 69% of daylight hours.

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

The average sea temperature around Sanibel Island in October is 27°C.

Q: Does it rain in Sanibel Island in October?

There are usually 9 days with some rain in Sanibel Island in October and the average monthly rainfall is 85mm.

Q: What is the chance of a cyclone in Sanibel Island in October?

On average less than 1 day in October in Sanibel Island is likely to be affected by the passage of one or more tropical storms.

Expect 86°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sanibel Island in October. Check more long-term weather averages for Sanibel Island in October before you book your next holiday to Florida in 2025/2026.

86
86°F max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
68
68°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
3.3
3.3 inches of monthly rainfall
8
8 (Very High) UV index
81
81°F sea temperature

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Destination

The October 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 October?

Daytime temperatures usually reach 86°F in Sanibel Island in October with high heat and humidity, falling to 68°F at night.

How sunny is it in Sanibel Island in October?

There are normally 8 hours of bright sunshine each day in Sanibel Island in October - that's 69% of daylight hours.

How warm is the sea around Sanibel Island in October?

The average sea temperature around Sanibel Island in October is 81°F.

Does it rain in Sanibel Island in October?

There are usually 9 days with some rain in Sanibel Island in October and the average monthly rainfall is 3.3 inches.

What is the chance of a hurricane in Sanibel Island in October?

On average less than 1 day in October in Sanibel Island is likely to be affected by the passage of one or more tropical storms.

Sanibel Island October sunrise & sunset times

Browse the sunrise and sunset times for Sanibel Island in October 2025. Select a month to view Sanibel Island sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Wednesday, 1st October 2025	06:21	18:14
Thursday, 16th October 2025	06:28	17:59
Friday, 31st October 2025	06:37	17:46

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Florida - quick facts
Flight time^✝	9.5 hours
Time difference	UK -5 to -6 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Visit Florida