- Explore latest special offers & online deals from TUI
- Book summer & winter sun holidays in 2021/2022
- Free child places & £0 deposits with Direct Debit
Key West weather
Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.
-
Usually
in March
-
Now
Today
Recommended for Florida
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The weather guide for Key West, Florida shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.
TUI deal finder
Which is the hottest month in Key West?
The hottest time of year in Key West is normally August. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.
Which month has the most rain in Key West?
In terms of rainfall, September is usually the wettest month in Key West with 166mm on average. There are normally 15 days in September with some rain.
When is it sunniest in Key West?
The sunniest time of year in Key West is normally April with bright sunshine on average for 83% of daylight hours; that's 11 hours of sunshine per day.
When is the sea warmest in Key West?
The sea is usually at its warmest in Key West in August when the water temperature reaches 30°C.
Metric (°C / mm) | Imperial (°F / inches)
Discover more about Florida
Compare Key West weather with the USA
Below the Key West weather chart shows average maximum daytime temperature for Key West, Florida, USA and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Key West weather >>
Tropical storm risk: Key West, Florida hurricane season
The Key West, Florida tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.
- Book holidays to Florida in 2021/2022 with Virgin Holidays
- Save with special offers on Orlando, Miami, Gulf Coast & more
- Holiday prices start from just £568 per person
Virgin Holidays deals
Where's hot in Florida right now?
Below are the temperatures expected today at popular destinations in Florida. Select a destination to compare today's forecast with average weather conditions.
- Fort Lauderdale
- Miami
- Key West
- Orlando
- Tampa
- St Pete Beach
- Daytona Beach
- Panama City
- Tallahassee
- Clearwater
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.