Currently: 80 °F. Scattered clouds. (Weather station: Key West International Airport, USA). See more current weatherAnnual Weather Averages in Key West
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Key West
High Temp: 90 °F
Low Temp: 65 °F
Mean Temp: 79 °F
Precipitation: 3.34"
Humidity: 74%
Dew Point: 70 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Key West
High Temp: 75 °F
Low Temp: 65 °F
Mean Temp: 70 °F
Precipitation: 1.82"
Humidity: 76%
Dew Point: 62 °F
Wind: 18 mph
Pressure: 30.11 "Hg
Visibility: 10 mi
February Climate & Weather Averages in Key West
High Temp: 77 °F
Low Temp: 67 °F
Mean Temp: 72 °F
Precipitation: 1.60"
Humidity: 76%
Dew Point: 64 °F
Wind: 18 mph
Pressure: 30.09 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Key West
High Temp: 79 °F
Low Temp: 69 °F
Mean Temp: 74 °F
Precipitation: 1.46"
Humidity: 73%
Dew Point: 65 °F
Wind: 18 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Key West
High Temp: 82 °F
Low Temp: 73 °F
Mean Temp: 78 °F
Precipitation: 2.07"
Humidity: 72%
Dew Point: 68 °F
Wind: 19 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Key West
High Temp: 85 °F
Low Temp: 76 °F
Mean Temp: 81 °F
Precipitation: 2.92"
Humidity: 72%
Dew Point: 71 °F
Wind: 17 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Key West
High Temp: 88 °F
Low Temp: 79 °F
Mean Temp: 84 °F
Precipitation: 4.04"
Humidity: 75%
Dew Point: 75 °F
Wind: 15 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Key West
High Temp: 90 °F
Low Temp: 80 °F
Mean Temp: 85 °F
Precipitation: 3.83"
Humidity: 72%
Dew Point: 75 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Key West
High Temp: 90 °F
Low Temp: 80 °F
Mean Temp: 85 °F
Precipitation: 5.40"
Humidity: 73%
Dew Point: 75 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Key West
High Temp: 89 °F
Low Temp: 79 °F
Mean Temp: 84 °F
Precipitation: 7.02"
Humidity: 76%
Dew Point: 75 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Key West
High Temp: 85 °F
Low Temp: 77 °F
Mean Temp: 81 °F
Precipitation: 5.60"
Humidity: 75%
Dew Point: 73 °F
Wind: 17 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Key West
High Temp: 81 °F
Low Temp: 72 °F
Mean Temp: 76 °F
Precipitation: 2.06"
Humidity: 75%
Dew Point: 68 °F
Wind: 19 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Key West
High Temp: 78 °F
Low Temp: 68 °F
Mean Temp: 73 °F
Precipitation: 2.20"
Humidity: 77%
Dew Point: 65 °F
Wind: 18 mph
Pressure: 30.08 "Hg
Visibility: 10 mi