Average temperature in April is 25.6 °C
Average daytime temperature is 26.5 °C
Average night temperature is 24.5 °C
Absolute maximum temperature: 28.4 °C
Absolute minimum temperature: 21.8 °C
Number of sunny days: 10
Number of rainy days: 20
Number of snow days:
Precipitation sum: 79 mm
* Weather data for Key West United States is based on climate observations for 2023 year
| April (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 26.3 | 26.3 | 26.3 | 26.8 | 26.5 | 27.3 | 26.1 | 26 | 26 | 25.9 | 26.5 | 26 | 26.6 | 27.1 | 27.4 | 26.5 | 27.1 | 24.1 | 25.7 | 25.5 | 26 | 25.7 | 25.7 | 26.8 | 26.7 | 27.1 | 27.2 | 27.7 | 27.7 | 28.4 |
| Apparent max temperature | 30.3 | 32.2 | 31.1 | 30.2 | 27.2 | 28 | 28.8 | 30.1 | 30 | 27.2 | 27.5 | 29.1 | 30.9 | 33.4 | 32.2 | 33.3 | 32.1 | 24.8 | 26.1 | 27.7 | 30.7 | 28.8 | 29.8 | 30.8 | 29.3 | 32.3 | 30.9 | 33.3 | 32.3 | 32.1 |
| Mean temperature | 25.9 | 25.9 | 25.8 | 26.2 | 26 | 26.3 | 25.9 | 25.6 | 25.6 | 24.5 | 23.5 | 24 | 25.8 | 26.2 | 26.4 | 25.8 | 25.2 | 23.4 | 24.9 | 24.9 | 25.5 | 25 | 24.9 | 26.2 | 25 | 26 | 26.9 | 27.1 | 27.2 | 26.6 |
| Apparent mean temperature | 24.9 | 28.4 | 27.3 | 27 | 25.7 | 25.1 | 25.6 | 24.4 | 26.1 | 24.1 | 21.7 | 21.3 | 26.6 | 27.9 | 29.2 | 27.4 | 23.5 | 20.8 | 23.6 | 23.6 | 24.5 | 24.1 | 26.8 | 27.8 | 22.9 | 26 | 28.4 | 29.3 | 29 | 24.2 |
| Minimum temperature | 25.6 | 25.3 | 25.1 | 25.5 | 25.4 | 25.2 | 25.6 | 24.8 | 24.9 | 22.8 | 22.3 | 22.2 | 24.9 | 25.2 | 25.8 | 24.5 | 23.8 | 22.5 | 24.4 | 24.1 | 24.1 | 22.9 | 23.8 | 25.3 | 21.8 | 23.8 | 26.6 | 26.4 | 26.5 | 24.7 |
| Apparent min temperature | 27 | 29.5 | 28.7 | 28 | 26.4 | 26.2 | 26.8 | 26.8 | 28.4 | 25.9 | 22.8 | 24.7 | 28.7 | 30.3 | 30.5 | 30.3 | 27.1 | 22.6 | 24.7 | 25.3 | 27.3 | 27.5 | 28.5 | 28.9 | 27.2 | 29.6 | 29.6 | 31.1 | 30.6 | 26.7 |
| April | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13 | 13 | 13.1 |
| Sunshine duration (h) | 11.1 | 11.3 | 11.4 | 11.4 | 11.3 | 11 | 11.5 | 11.5 | 11.6 | 10.3 | 10.5 | 11.2 | 11.4 | 11.5 | 11.5 | 10.7 | 11.7 | 11.7 | 11.7 | 11.8 | 12 | 10.6 | 12.1 | 12.2 | 11.4 | 12.2 | 12.2 | 12.2 | 12.2 | 8.6 |
| Precipitation (mm) | 2.1 | 0 | 0 | 0.2 | 0.4 | 0.2 | 0 | 0 | 0 | 4 | 18.8 | 22 | 0.6 | 0 | 0 | 0.7 | 5.3 | 0 | 0.3 | 0.6 | 1.2 | 1 | 1 | 0 | 17.1 | 0.7 | 0.2 | 0 | 0.1 | 2.9 |
| Precipitation hours | 5 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 9 | 19 | 16 | 3 | 0 | 0 | 3 | 4 | 0 | 2 | 5 | 3 | 4 | 3 | 0 | 9 | 4 | 2 | 0 | 1 | 5 |
| Wind speed (m/s) | 33.8 | 14.6 | 19 | 25 | 33 | 35.7 | 29.4 | 24.9 | 23.6 | 22.7 | 37.4 | 45 | 18.1 | 16.1 | 23 | 16.9 | 39.8 | 36.2 | 28 | 26.6 | 27.6 | 19.9 | 13.8 | 18.7 | 27.3 | 16.3 | 23.8 | 23 | 29.5 | 47.1 |
In April 2023, the highest daytime temperature in Key West was 28.4°C.
While the minimum temperature at night dropped to 21.8°C.
The average nighttime and daytime temperatures during April in Key West are 24.5°C and 26.5°C respectively.
The precipitation sum in April is about 79 mm.