Duck Key weather in October 2025

Q: How hot is it in Duck Key in October?

Daytime temperatures usually reach 30°C in Duck Key in October with high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Duck Key in October?

There are normally 8 hours of bright sunshine each day in Duck Key in October - that's 71% of daylight hours.

Q: How warm is the sea around Duck Key in October?

The average sea temperature around Duck Key in October is 28°C.

Q: Does it rain in Duck Key in October?

There are usually 11 days with some rain in Duck Key in October and the average monthly rainfall is 150mm.

Q: What is the chance of a cyclone in Duck Key in October?

On average less than 1 day in October in Duck Key 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 Duck Key in October. Check more long-term weather averages for Duck Key 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
11
11 days with some rainfall
70
70°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
5.9
5.9 inches of monthly rainfall
9
9 (Very High) UV index
82
82°F sea temperature

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Destination

The October weather guide for Florida (Duck Key) 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 Duck Key in October?

Daytime temperatures usually reach 86°F in Duck Key in October with high heat and humidity, falling to 70°F at night.

How sunny is it in Duck Key in October?

There are normally 8 hours of bright sunshine each day in Duck Key in October - that's 71% of daylight hours.

How warm is the sea around Duck Key in October?

The average sea temperature around Duck Key in October is 82°F.

Does it rain in Duck Key in October?

There are usually 11 days with some rain in Duck Key in October and the average monthly rainfall is 5.9 inches.

What is the chance of a hurricane in Duck Key in October?

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

Duck Key October sunrise & sunset times

Browse the sunrise and sunset times for Duck Key in October 2025. Select a month to view Duck Key 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	06:16	18:10
Thursday, 16th October 2025	06:22	17:56
Friday, 31st October 2025	06:30	17:44

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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