Average temperature in March is 24.3 °C
Average daytime temperature is 25.2 °C
Average night temperature is 23.5 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 17
Number of rainy days: 14
Number of snow days:
Precipitation sum: 40 mm
* Weather data for Key West United States is based on climate observations for 2023 year
| March (°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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 25.4 | 25.4 | 25.6 | 26.1 | 26.3 | 25.7 | 24.8 | 24.8 | 25.2 | 24.8 | 24.7 | 25.2 | 25.7 | 25.9 | 24.8 | 23.9 | 24.5 | 25.2 | 25.1 | 21.7 | 23.6 | 24.2 | 24.3 | 25.4 | 25.6 | 25.6 | 26.1 | 26.5 | 26.8 | 26.1 | 25.9 |
| Apparent max temperature | 27.9 | 27.2 | 28.7 | 30.7 | 29.7 | 29.6 | 28.8 | 27.4 | 27.3 | 26.8 | 27.6 | 28.9 | 28.4 | 28.2 | 24.2 | 22.5 | 24.5 | 29.6 | 28.1 | 19.2 | 24 | 25.2 | 25.9 | 27.9 | 28.8 | 29.8 | 31.2 | 31.5 | 30.6 | 29.5 | 26.5 |
| Mean temperature | 25 | 24.5 | 25.2 | 25.7 | 25.6 | 25.2 | 24.4 | 24.4 | 24.5 | 24.3 | 24.1 | 24.1 | 25.2 | 23.9 | 23.1 | 22.5 | 23.7 | 24.8 | 23.6 | 19.9 | 21.5 | 23.5 | 23.9 | 24.6 | 25 | 25.3 | 25.6 | 25.7 | 25.5 | 25 | 25 |
| Apparent mean temperature | 25.1 | 23.5 | 24.1 | 25 | 28 | 27.7 | 25.5 | 25.1 | 23.5 | 23 | 24.9 | 25.1 | 26.2 | 23.1 | 17.6 | 19.2 | 19.1 | 23.4 | 20.2 | 15.2 | 17.9 | 21.7 | 22 | 22.9 | 25.3 | 26.4 | 25.9 | 25.6 | 27.9 | 24.6 | 23.3 |
| Minimum temperature | 24.5 | 23.8 | 24.7 | 25.3 | 24.9 | 24.7 | 23.5 | 24 | 23.9 | 23.8 | 23.6 | 23.4 | 24.7 | 23 | 21.4 | 21.5 | 22.3 | 24.3 | 21.7 | 19.1 | 19.9 | 22.8 | 23.1 | 23.7 | 24.3 | 24.9 | 25.2 | 24.4 | 24.8 | 24.3 | 23.5 |
| Apparent min temperature | 26.4 | 25 | 26 | 27.4 | 28.6 | 28.5 | 27.2 | 26.1 | 25 | 24.3 | 25.7 | 26.7 | 27.2 | 25.9 | 21.7 | 20.2 | 21.4 | 25.8 | 25.2 | 17.1 | 20.9 | 23 | 23.6 | 25.5 | 27 | 27.6 | 28.1 | 29.1 | 28.9 | 26.7 | 24.6 |
| March | 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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 |
| Sunshine duration (h) | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.9 | 10.9 | 10.9 | 9.2 | 10.9 | 11 | 11 | 11 | 11 | 7.4 | 11.1 | 10.8 | 11.1 | 5.7 | 8.1 | 10.2 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.1 | 11.2 | 11.2 | 11.1 |
| Precipitation (mm) | 0 | 0 | 0.1 | 0 | 0 | 0 | 0.4 | 0 | 2.2 | 0 | 0.1 | 0 | 0 | 3.8 | 8.3 | 0 | 0 | 0 | 2 | 18.2 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0.6 | 0.9 | 0.8 | 0.3 | 1.1 |
| Precipitation hours | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | 1 | 0 | 0 | 9 | 13 | 0 | 0 | 0 | 9 | 10 | 0 | 0 | 0 | 0 | 8 | 0 | 4 | 2 | 4 | 2 | 7 |
| Wind speed (m/s) | 19.6 | 32.2 | 35 | 29.2 | 15.4 | 14.7 | 19.8 | 24.8 | 28.7 | 27.6 | 20.1 | 19.6 | 27.5 | 25.8 | 36.4 | 38.3 | 36.9 | 29.8 | 35.9 | 42 | 27 | 29.6 | 31.5 | 29.6 | 27.8 | 26.3 | 29.9 | 20.1 | 18 | 30.4 | 36.8 |
In March 2023, the highest daytime temperature in Key West was 26.8°C.
While the minimum temperature at night dropped to 19.1°C.
The average nighttime and daytime temperatures during March in Key West are 23.5°C and 25.2°C respectively.
The precipitation sum in March is about 40 mm.