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Key West weather in August 2021
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- 3232°C max day temperature
- 1515 days with some rainfall
- 2626°C min night temperature
- 1313 hours of daylight per day
- VHVery High heat & humidity
- 125125 mm of monthly rainfall
- 1111 (Extreme) UV index
- 3030°C sea temperature
Recommended for Florida
The August weather guide for Key West, Florida 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.
How hot is it in Key West in August?
Daytime temperatures usually reach 32°C in Key West in August with very high heat and humidity, falling to 26°C at night.
How sunny is it in Key West in August?
There are normally 10 hours of bright sunshine each day in Key West in August - that's 74% of daylight hours.
How warm is the sea around Key West in August?
The average sea temperature around Key West in August is 30°C.
Does it rain in Key West in August?
There are usually 15 days with some rain in Key West in August and the average monthly rainfall is 125mm.
What is the chance of a hurricane in Key West in August?
On average less than 1 day in August in Key West is likely to be affected by the passage of one or more tropical storms.
Metric (°C / mm) | Imperial (°F / inches)
Key West sunrise & sunset times for August 2021
Browse the sunrise and sunset times for Key West in August 2021. Select a month to view Key West sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st August 2021||06:56||20:11|
|Monday, 16th August 2021||07:02||20:00|
|Tuesday, 31st August 2021||07:08||19:46|
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