Average temperature in March is 23.2 °C
Average daytime temperature is 23.8 °C
Average night temperature is 22.4 °C
Absolute maximum temperature: 24.4 °C
Absolute minimum temperature: 21 °C
Number of sunny days: 2
Number of rainy days: 29
Number of snow days:
Precipitation sum: 28 mm
* Weather data for Jamestown Saint Helena 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 | 24.1 | 24 | 23.8 | 24.3 | 24.4 | 23.7 | 23.9 | 24.2 | 24.4 | 24.3 | 23.9 | 24 | 23.4 | 24.4 | 23.9 | 24 | 24.2 | 23.9 | 23.7 | 23.7 | 23.7 | 23.8 | 23.5 | 23.6 | 23.3 | 23 | 23.5 | 23.4 | 23.6 | 23.3 | 23.4 |
| Apparent max temperature | 25.6 | 26.4 | 26 | 24.1 | 24.4 | 22.7 | 23.3 | 26.3 | 24.7 | 24 | 23.3 | 24.6 | 24.1 | 25.6 | 24 | 24.5 | 24.6 | 25.3 | 23.6 | 23.4 | 23.5 | 23.2 | 24 | 24.6 | 25 | 23.7 | 24.4 | 23.2 | 23.7 | 23.9 | 25.1 |
| Mean temperature | 23.4 | 23.5 | 23.4 | 23.5 | 23.6 | 23.2 | 23 | 23.3 | 23.4 | 23.1 | 22.7 | 23.1 | 22.9 | 23.8 | 23.4 | 23.6 | 23.7 | 23.3 | 23.2 | 23 | 23.3 | 23 | 22.9 | 23.1 | 22.9 | 22.6 | 22.8 | 22.9 | 22.8 | 23.1 | 23.1 |
| Apparent mean temperature | 23.4 | 23.5 | 23.1 | 21.7 | 21.1 | 21 | 20.3 | 21.9 | 21.5 | 21.3 | 19.3 | 21.6 | 21.8 | 23.1 | 22.3 | 21.8 | 22.3 | 21.4 | 21.4 | 21.7 | 21.9 | 20.8 | 20.5 | 21.4 | 22 | 21 | 20.8 | 21.5 | 21.5 | 22.2 | 22.3 |
| Minimum temperature | 22.6 | 22.9 | 23 | 22.9 | 22.8 | 22.2 | 21.6 | 22.7 | 22.5 | 22.2 | 21 | 22 | 22.1 | 22.8 | 22.9 | 22.9 | 23.2 | 22.6 | 22.6 | 22.5 | 22.8 | 22.5 | 21.4 | 22.4 | 22.5 | 22.2 | 21.8 | 22.2 | 21.9 | 22.4 | 22.8 |
| Apparent min temperature | 24 | 24.8 | 24.7 | 23 | 22.2 | 21.6 | 22 | 23 | 22.6 | 22.2 | 21.5 | 22.8 | 22.9 | 24.1 | 23.1 | 23.2 | 23.3 | 23.3 | 22 | 22.3 | 22.3 | 22 | 22.1 | 22.7 | 23 | 22 | 22 | 22.1 | 22.3 | 22.9 | 23.3 |
| 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Sunshine duration (h) | 11.5 | 8 | 10.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 10.9 | 11.2 | 11.3 | 11.1 | 9.9 | 10.6 | 10.8 | 11.1 | 10 | 11 | 11 | 10.9 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Precipitation (mm) | 0.4 | 0.9 | 1.8 | 0.9 | 0.4 | 2.7 | 1 | 0 | 0 | 0.8 | 2.9 | 0.4 | 0.8 | 0.2 | 0.8 | 0.1 | 0.1 | 1.6 | 1.3 | 1.7 | 0.1 | 0.2 | 0.6 | 0.2 | 0.9 | 0.4 | 0.7 | 3 | 2.9 | 0.5 | 0.1 |
| Precipitation hours | 4 | 9 | 14 | 5 | 4 | 12 | 5 | 0 | 0 | 7 | 12 | 4 | 7 | 2 | 7 | 1 | 1 | 11 | 10 | 10 | 1 | 2 | 4 | 2 | 7 | 4 | 5 | 21 | 16 | 3 | 1 |
| Wind speed (m/s) | 26.6 | 26 | 31.6 | 39.6 | 42.5 | 40.7 | 35.3 | 31.6 | 30.6 | 32.4 | 35.1 | 29.8 | 30.7 | 24.6 | 35.5 | 33.5 | 34.8 | 39.2 | 36.3 | 35.2 | 34.6 | 35.8 | 32.9 | 30.5 | 27.7 | 32.4 | 31.8 | 37.1 | 38.6 | 33.5 | 28.7 |
In March 2023, the highest daytime temperature in Jamestown was 24.4°C.
While the minimum temperature at night dropped to 21°C.
The average nighttime and daytime temperatures during March in Jamestown are 22.4°C and 23.8°C respectively.
The precipitation sum in March is about 28 mm.