Key West climate

Typical historical weather for Key West, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Key West.

Annual average

25.3°C

across all months

Warmest month

30.3°C

Aug average high

Coolest month

18°C

Jan average low

Annual rainfall

1166mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

32.6°C

13 September 2023

Coldest day

6.6°C

22 January 2020

Wettest day

242.3mm

10 September 2017

Windiest day

24.7m/s

10 September 2017