Key West
The tables below display average monthly climate and weather indicators in Key West Florida.
Temperature by: Fahrenheit / Centigrade
Key West Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Avg. Temperature | 21.1 | 21.4 | 23.2 | 25.0 | 27.0 | 28.4 | 29.1 | 29.1 | 28.5 | 26.7 | 24.2 | 21.9 | 25.4 |
Avg. Max Temperature | 23.8 | 24.1 | 25.9 | 27.6 | 29.5 | 30.9 | 31.7 | 31.8 | 31.1 | 29.1 | 26.7 | 24.5 | 28.1 |
Avg. Min Temperature | 18.3 | 18.7 | 20.6 | 22.3 | 24.5 | 25.8 | 26.4 | 26.3 | 25.8 | 24.2 | 21.8 | 19.3 | 22.8 |
Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 1.0 | 8.0 | 16.0 | 17.0 | 8.0 | 1.0 | 0.0 | 0.0 | 49.0 |
Days with Min Temp Below Freezing | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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Key West Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Heating Degree Days | 44.0 | 30.0 | 7.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 19.0 | 100 |
Cooling Degree Days | 196 | 184 | 279 | 360 | 484 | 543 | 601 | 598 | 549 | 465 | 318 | 221 | 4798 |
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Key West Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Precipitation (inches) | 2.0 | 1.8 | 1.7 | 1.8 | 3.5 | 5.1 | 3.6 | 5.0 | 5.9 | 4.4 | 2.8 | 2.0 | 39.6 |
Days with Precipitation 0.01 inch or More | 7.0 | 5.0 | 5.0 | 5.0 | 8.0 | 11.0 | 12.0 | 14.0 | 16.0 | 11.0 | 7.0 | 7.0 | 109 |
Monthly Snowfall (inches) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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Other Key West Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Average Wind Speed | 11.8 | 12.0 | 12.2 | 12.2 | 10.6 | 9.6 | 9.5 | 9.2 | 9.6 | 10.9 | 12.0 | 11.8 | 10.9 |
Clear Days | 11.0 | 12.0 | 13.0 | 13.0 | 10.0 | 5.0 | 3.0 | 3.0 | 3.0 | 9.0 | 10.0 | 11.0 | 104 |
Partly Cloudy Days | 11.0 | 10.0 | 11.0 | 11.0 | 13.0 | 14.0 | 16.0 | 17.0 | 15.0 | 13.0 | 11.0 | 11.0 | 155 |
Cloudy Days | 9.0 | 7.0 | 6.0 | 6.0 | 8.0 | 11.0 | 11.0 | 11.0 | 12.0 | 9.0 | 8.0 | 9.0 | 107 |
Percent of Possible Sunshine | 74.0 | 77.0 | 82.0 | 84.0 | 82.0 | 76.0 | 77.0 | 76.0 | 72.0 | 71.0 | 71.0 | 70.0 | 76.0 |
Avg. Relative Humidity | 66.0 | 75.0 | 73.0 | 71.5 | 70.0 | 71.5 | 72.5 | 72.0 | 74.0 | 75.5 | 76.0 | 76.0 | 74.5 |
Weather information for other cities in Florida