Average temperature in August is 19 °C
Average daytime temperature is 20.7 °C
Average night temperature is 17.6 °C
Absolute maximum temperature: 21.7 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 3
Number of rainy days: 28
Number of snow days:
Precipitation sum: 30 mm
* Weather data for Jamestown Saint Helena is based on climate observations for 2023 year
| Agosto (°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 | 19.5 | 20 | 20.6 | 21.1 | 20.8 | 20.3 | 20.3 | 20.9 | 20.7 | 21 | 21 | 20.1 | 20.7 | 21.7 | 21 | 21 | 20.8 | 21.5 | 21 | 19.5 | 20.9 | 21.4 | 21.3 | 20.9 | 21.2 | 21.1 | 21.2 | 20.5 | 19.9 | 20.2 | 20.9 |
| Apparent max temperature | 18 | 18.4 | 20.4 | 21.2 | 20 | 18.9 | 17.8 | 19 | 19.1 | 20.8 | 19.4 | 20.1 | 20 | 20.3 | 18.5 | 18.9 | 19.4 | 19.9 | 18 | 16.3 | 17.1 | 19.4 | 18.9 | 19.2 | 18.8 | 18.3 | 19.4 | 18.5 | 17.8 | 17.7 | 17.2 |
| Mean temperature | 18.3 | 18.2 | 18.1 | 19.4 | 19.5 | 19.1 | 19.2 | 19.2 | 18.7 | 19.1 | 19 | 18.3 | 18.6 | 19.5 | 19.3 | 19.2 | 19.1 | 19.5 | 19.3 | 18.4 | 19 | 19.2 | 19.4 | 19.1 | 19.1 | 19.3 | 18.9 | 18.6 | 18.7 | 19 | 19.1 |
| Apparent mean temperature | 15.2 | 15.9 | 15.5 | 17.2 | 17.1 | 16.9 | 16 | 16 | 15.4 | 16.1 | 15.9 | 15.6 | 15.4 | 15.9 | 15.9 | 16 | 16.4 | 15.7 | 15 | 14.3 | 14.7 | 15.3 | 15.8 | 15.1 | 15.1 | 15.7 | 15.7 | 15.8 | 15.9 | 14.8 | 14.8 |
| Minimum temperature | 17.5 | 16.9 | 15.6 | 17.8 | 18.3 | 18.2 | 18.1 | 18 | 17.3 | 17.6 | 17.8 | 16.6 | 15.8 | 17.8 | 18.2 | 18.1 | 17.7 | 18.1 | 17.9 | 17.3 | 17.5 | 17.6 | 18.4 | 17.9 | 17.7 | 18.1 | 17.5 | 16.9 | 17.4 | 18 | 17.6 |
| Apparent min temperature | 16.4 | 17.3 | 17.8 | 19 | 18.7 | 17.7 | 16.9 | 17.1 | 16.8 | 17.8 | 17.1 | 17.3 | 17.5 | 17.4 | 17.1 | 17 | 17.5 | 17.1 | 16.2 | 15.4 | 15.9 | 16.7 | 17 | 16.5 | 16.4 | 16.8 | 16.7 | 16.9 | 16.9 | 16.5 | 15.7 |
| Agosto | 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) | 11.4 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 |
| Sunshine duration (h) | 8.7 | 10.5 | 10.7 | 10.7 | 9.5 | 8.6 | 7.4 | 10.8 | 10.4 | 10.8 | 8.6 | 8.5 | 10.8 | 8.3 | 9.6 | 8.7 | 7.7 | 10.9 | 8.6 | 5 | 9.6 | 10.8 | 7.8 | 7.8 | 9 | 7.5 | 10.2 | 9.2 | 8.3 | 5.3 | 8.7 |
| Precipitation (mm) | 2.6 | 1 | 2.5 | 0.1 | 0.7 | 2 | 1.2 | 2.2 | 0.7 | 1 | 0.8 | 0.4 | 0 | 0 | 0.3 | 0.4 | 0.2 | 0 | 0.1 | 2.2 | 0.3 | 0.7 | 1.9 | 0.6 | 1.7 | 1.4 | 1.4 | 1.7 | 1.1 | 0.3 | 0.6 |
| Precipitation hours | 8 | 7 | 10 | 1 | 4 | 9 | 8 | 9 | 4 | 5 | 2 | 2 | 0 | 0 | 3 | 2 | 2 | 0 | 1 | 10 | 3 | 7 | 9 | 5 | 12 | 6 | 8 | 9 | 7 | 3 | 5 |
| Wind speed (m/s) | 25 | 18.5 | 19.5 | 19.1 | 21.3 | 22.7 | 27 | 29.2 | 22.7 | 19.5 | 21 | 13.4 | 14.9 | 20.9 | 22.2 | 20.9 | 19.4 | 27.3 | 30.1 | 30.7 | 36.1 | 30.8 | 31.9 | 31.1 | 31.5 | 30.4 | 29.1 | 23.8 | 24.2 | 31.9 | 38.3 |
In August 2023, the highest daytime temperature in Jamestown was 21.7°C.
While the minimum temperature at night dropped to 15.6°C.
The average nighttime and daytime temperatures during August in Jamestown are 17.6°C and 20.7°C respectively.
The precipitation sum in August is about 30 mm.