Average temperature in April is 22.8 °C
Average daytime temperature is 23.4 °C
Average night temperature is 22.1 °C
Absolute maximum temperature: 24.2 °C
Absolute minimum temperature: 20.7 °C
Number of sunny days: 7
Number of rainy days: 23
Number of snow days:
Precipitation sum: 12 mm
* Weather data for Jamestown Saint Helena 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 | 23 | 23.5 | 23.7 | 23.4 | 24.2 | 23.8 | 23.9 | 23.6 | 23.4 | 23.5 | 23.1 | 22.9 | 23.2 | 23.2 | 24 | 23.3 | 23.5 | 23.8 | 23.7 | 23.3 | 23.2 | 23 | 22.6 | 23.3 | 22.7 | 22.9 | 23.2 | 23.3 | 23.3 | 23.2 |
| Apparent max temperature | 24.5 | 24.1 | 26 | 26.1 | 27.1 | 25 | 23.9 | 23.4 | 23.2 | 23.4 | 23.5 | 23.4 | 23.7 | 23.6 | 24 | 25 | 26.2 | 24.5 | 24.8 | 24 | 23.8 | 24.5 | 23.9 | 23.6 | 23.5 | 22.5 | 23.5 | 23.3 | 23.6 | 23 |
| Mean temperature | 22.6 | 22.9 | 22.7 | 22.7 | 23.2 | 23.3 | 23.5 | 23.3 | 23.1 | 22.7 | 22.2 | 22.5 | 22.4 | 22.7 | 23.1 | 22.8 | 23 | 23.1 | 23.2 | 23.1 | 23 | 22.3 | 22.2 | 22.4 | 21.8 | 22.7 | 22.9 | 22.9 | 22.7 | 22.6 |
| Apparent mean temperature | 21.9 | 21.6 | 21.2 | 22.3 | 22.6 | 22.7 | 21.6 | 21 | 21.1 | 19.9 | 20.4 | 20.5 | 20.3 | 20.2 | 21.7 | 22.3 | 23.1 | 22 | 22.3 | 21.6 | 21.9 | 21.9 | 21.8 | 21.5 | 20.9 | 21.2 | 20.6 | 21.2 | 20.5 | 21.4 |
| Minimum temperature | 22.2 | 22.3 | 21.6 | 21.7 | 21.9 | 22.9 | 23 | 23.1 | 22.4 | 21.4 | 21.2 | 21.8 | 21.6 | 22 | 22.4 | 22.2 | 22.5 | 22.6 | 22.8 | 22.9 | 22.9 | 21.5 | 21.1 | 21.4 | 20.7 | 22.4 | 22.4 | 22.4 | 22.2 | 22.2 |
| Apparent min temperature | 22.7 | 22.4 | 23.1 | 23.9 | 24.5 | 23.5 | 22.4 | 22.1 | 21.7 | 21.5 | 21.4 | 21.6 | 21.5 | 21.5 | 22.6 | 23.2 | 24.1 | 23.2 | 23 | 22.4 | 22.9 | 22.8 | 22.3 | 22.1 | 22.1 | 21.8 | 21.6 | 21.8 | 21.7 | 22.2 |
| 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) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 |
| Sunshine duration (h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 9.7 | 10.9 | 10.8 | 10.8 | 9.8 | 10.8 | 10.7 | 7.9 | 10.7 | 10.8 | 10.8 | 10.4 | 10.7 |
| Precipitation (mm) | 0.2 | 0.1 | 0.5 | 0.9 | 0.1 | 0.2 | 0.3 | 0 | 1 | 1.6 | 2.1 | 0.3 | 0.3 | 0.3 | 0.1 | 0.2 | 0 | 0 | 0.1 | 0 | 0 | 1.5 | 0.2 | 0.2 | 1.3 | 0 | 0 | 0.2 | 0.2 | 0.3 |
| Precipitation hours | 2 | 1 | 4 | 7 | 1 | 2 | 3 | 0 | 8 | 7 | 12 | 3 | 3 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 10 | 2 | 2 | 12 | 0 | 0 | 2 | 2 | 2 |
| Wind speed (m/s) | 28.2 | 25.7 | 24.8 | 23.3 | 21.9 | 34.2 | 39.1 | 39.5 | 39.1 | 37.8 | 33.7 | 32.8 | 35.1 | 34.9 | 26.1 | 27.6 | 19.9 | 26.6 | 35.1 | 37.9 | 35.5 | 28.2 | 26.9 | 25 | 24.7 | 27.5 | 30.3 | 33.5 | 31.3 | 31.4 |
In April 2023, the highest daytime temperature in Jamestown was 24.2°C.
While the minimum temperature at night dropped to 20.7°C.
The average nighttime and daytime temperatures during April in Jamestown are 22.1°C and 23.4°C respectively.
The precipitation sum in April is about 12 mm.