Average temperature in October is 19.2 °C
Average daytime temperature is 21 °C
Average night temperature is 17.7 °C
Absolute maximum temperature: 22.2 °C
Absolute minimum temperature: 16 °C
Number of sunny days: 4
Number of rainy days: 27
Number of snow days:
Precipitation sum: 39 mm
* Weather data for Jamestown Saint Helena is based on climate observations for 2023 year
| October (°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 | 21.1 | 21.8 | 21.4 | 21.1 | 21.2 | 20.4 | 20.2 | 20.8 | 20.6 | 20.4 | 20.4 | 20.6 | 20.1 | 20.4 | 20.6 | 20.6 | 20.5 | 21 | 21.1 | 21.5 | 21.2 | 21.3 | 21.6 | 21.8 | 21.7 | 22 | 21.2 | 20.5 | 21.4 | 21.4 | 22.2 |
| Apparent max temperature | 21.1 | 22 | 19.5 | 18.3 | 18.7 | 16.9 | 19 | 19.8 | 19.2 | 19.9 | 18.5 | 19.1 | 19 | 19.1 | 20.6 | 20.5 | 20.1 | 22.1 | 19.9 | 20.5 | 21.2 | 20.5 | 21.8 | 21.1 | 22.4 | 20.5 | 20 | 19.1 | 21 | 20.5 | 23.9 |
| Mean temperature | 18.6 | 19.4 | 19.6 | 19.6 | 19.5 | 19.1 | 18.8 | 19.2 | 19.1 | 18.8 | 19 | 18.9 | 18.7 | 18.7 | 18.7 | 18.9 | 18.8 | 19.2 | 19.4 | 19.5 | 19.4 | 19.4 | 19.6 | 19.7 | 19.6 | 19.6 | 19.4 | 19.2 | 19.5 | 19.6 | 19.9 |
| Apparent mean temperature | 15.1 | 16.4 | 16.2 | 15.7 | 15.4 | 14.9 | 15.6 | 16.3 | 16.2 | 15.9 | 16.6 | 16.4 | 15.9 | 15.8 | 15.5 | 16.9 | 16 | 17.5 | 17.1 | 17.4 | 17.2 | 16.7 | 17.3 | 16.5 | 17 | 16.2 | 16.3 | 16.4 | 17 | 17.8 | 17.3 |
| Minimum temperature | 16 | 17.3 | 18.2 | 18.5 | 18.3 | 17.9 | 17.7 | 17.9 | 17.9 | 17.5 | 17.6 | 17.4 | 17.6 | 17.2 | 16.9 | 17.5 | 17.4 | 17.8 | 17.6 | 18.2 | 18.2 | 18 | 18.1 | 17.6 | 17.9 | 17.5 | 17.9 | 18.3 | 17.9 | 18.3 | 18 |
| Apparent min temperature | 17.8 | 18.3 | 17.2 | 16.8 | 16.6 | 15.8 | 16.6 | 17.4 | 17.1 | 17.1 | 17.3 | 17.2 | 17.1 | 16.9 | 17.4 | 17.8 | 17.4 | 18.9 | 18.3 | 18.3 | 18.5 | 18.3 | 18.7 | 18.3 | 18.6 | 17.5 | 17.5 | 17.2 | 18.1 | 18.7 | 19.4 |
| October | 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) | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 |
| Sunshine duration (h) | 11.5 | 10.4 | 7.8 | 8.8 | 8.4 | 7.1 | 9.6 | 10.2 | 9.3 | 7.3 | 9 | 10.1 | 11.2 | 11.1 | 9.6 | 8.9 | 10.7 | 9.5 | 11.1 | 8.9 | 8.4 | 10.5 | 11.3 | 11.8 | 11.8 | 11.3 | 10.4 | 8.4 | 10.1 | 9 | 10 |
| Precipitation (mm) | 0.6 | 0 | 0 | 0.7 | 1.4 | 0.9 | 3.2 | 1.8 | 1 | 2.9 | 0.6 | 0.6 | 3.6 | 2.6 | 3.2 | 2.2 | 2 | 0.9 | 1.1 | 0.9 | 0.8 | 0.5 | 0.6 | 0.1 | 0 | 0 | 2.9 | 1.4 | 0.7 | 1.8 | 0.1 |
| Precipitation hours | 5 | 0 | 0 | 7 | 10 | 6 | 13 | 9 | 6 | 11 | 3 | 6 | 11 | 10 | 12 | 10 | 10 | 6 | 8 | 6 | 7 | 5 | 5 | 1 | 0 | 0 | 10 | 11 | 5 | 11 | 1 |
| Wind speed (m/s) | 17.6 | 20.2 | 31.5 | 35.8 | 35.6 | 35.9 | 29.3 | 29.2 | 30.7 | 27.1 | 26 | 25.7 | 25.9 | 27.1 | 25.9 | 25 | 26 | 18 | 24.9 | 26.4 | 22.9 | 25.4 | 25.7 | 25.2 | 18.5 | 26.7 | 29 | 27.8 | 26 | 23.1 | 21.3 |
In October 2023, the highest daytime temperature in Jamestown was 22.2°C.
While the minimum temperature at night dropped to 16°C.
The average nighttime and daytime temperatures during October in Jamestown are 17.7°C and 21°C respectively.
The precipitation sum in October is about 39 mm.