Currently: 85 °F. Sunny. (Weather station: Key West International Airport, USA). See more current weatherAnnual Weather Averages in Key West
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Key West
High Temp: 90 °F
Low Temp: 65 °F
Mean Temp: 78 °F
Precipitation: 1.44"
Humidity: 74%
Dew Point: 69 °F
Wind: 9 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Key West
High Temp: 76 °F
Low Temp: 65 °F
Mean Temp: 70 °F
Precipitation: 0.50"
Humidity: 77%
Dew Point: 63 °F
Wind: 10 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: 0.39"
Humidity: 76%
Dew Point: 64 °F
Wind: 10 mph
Pressure: 30.08 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Key West
High Temp: 79 °F
Low Temp: 69 °F
Mean Temp: 74 °F
Precipitation: 0.47"
Humidity: 73%
Dew Point: 65 °F
Wind: 10 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Key West
High Temp: 82 °F
Low Temp: 72 °F
Mean Temp: 77 °F
Precipitation: 0.43"
Humidity: 71%
Dew Point: 67 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Key West
High Temp: 85 °F
Low Temp: 76 °F
Mean Temp: 81 °F
Precipitation: 1.06"
Humidity: 72%
Dew Point: 71 °F
Wind: 9 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: 1.95"
Humidity: 74%
Dew Point: 75 °F
Wind: 8 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: 1.65"
Humidity: 72%
Dew Point: 75 °F
Wind: 8 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: 3.21"
Humidity: 73%
Dew Point: 75 °F
Wind: 7 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: 4.11"
Humidity: 75%
Dew Point: 75 °F
Wind: 8 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Key West
High Temp: 85 °F
Low Temp: 76 °F
Mean Temp: 81 °F
Precipitation: 2.35"
Humidity: 75%
Dew Point: 72 °F
Wind: 9 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Key West
High Temp: 81 °F
Low Temp: 72 °F
Mean Temp: 76 °F
Precipitation: 0.58"
Humidity: 75%
Dew Point: 68 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Key West
High Temp: 77 °F
Low Temp: 68 °F
Mean Temp: 72 °F
Precipitation: 0.58"
Humidity: 77%
Dew Point: 65 °F
Wind: 10 mph
Pressure: 30.08 "Hg
Visibility: 10 mi