Key West Weather: April
 |
Average Day Temperature: | 82.1°F |
|
Average Night Temperature: | 78.7°F |
|
Sea Water Temperature: | 81.9°F |
|
Number of Sunny Days: | 16 days |
| Sunshine Hours: | 12.4 - 13.1 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Key West |
Sea Water
Temperature
Temperature
| Key West |
Air Temperature in April, °F
The highest day temperature in April 2026 was 86°F. The lowest night temperature was 76°F. The average values for day and night temperatures during April were 81.9°F и 78.2°F respectivly.
Key West Water Sea Temperature in April, °F
The average sea surface temperature in April 2026 for Key West was 81.4°F. The maximum and minimum values were 79.2°F and 84.2°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in April are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in April, in
Precipitation total in April for Key West is 1.2 in.
Wind Speed in April, mph
The average wind speed in April is 13.2 mph.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Key West in April is 8.7 hours.
Key West on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+62 |
| Chicago |  |
+56 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston | |
+94 |
| Las Vegas | |
+88 |
| Los Angeles | |
+66 |
| Maui | |
+70 |
| Miami | |
+94 |
| Miami Beach | |
+90 |
| New York | |
+68 |
| San Diego | |
+66 |
| San Francisco | |
+62 |
| Sarasota | |
+94 |
| Tampa | |
+94 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Key West
Local time: 12:11
14 may, thursday
| 1500 |  |
90°F | SE 9 mph |
| 1800 |  |
86°F | SE 11 mph |
| 2100 |  |
84°F | SE 11 mph |
15 may, friday
| 0000 | |
84°F | SE 9 mph |
| 0300 | |
82°F | SE 9 mph |
| 0600 | |
82°F | SE 10 mph |
| 0900 |  |
82°F | S 6 mph |
| 1200 | |
82°F | S 3 mph |