Key West weather averages

Going to Key West? Find the best month to visit Key West based on the weather.

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Check Key West weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Key West is expected to be 27°C, while the average maximum temperature in May is 29°C.

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Metric (°C / mm)  |  Imperial (°F / inches)

Key West weather averages: best month

Key West Best month Averages
Warmest July & August 32°C
Sunniest April & May 11 hours per day
Least rain April 4 days
Warmest sea July & August 30°C

Key West climate guide

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Tropical storm risk: Key West, Florida hurricane season

% of month affected by tropical storms
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<1%
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<1%
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1%
0
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The Key West, Florida tropical storm risk chart above shows the hurricane season.

More about tropical storms

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Key West weather averages by month

Check Key West holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Key West weather with the USA

Below the Key West weather chart shows maximum daytime temperature for Key West, Florida, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Key West, Florida, USA
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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