Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Wanjama
* Weather data for Wanjama Sierra Leone is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.2 | 36.9 | 37.7 | 35.1 | 35.3 | 32.1 | 32.7 | 32.7 | 32.5 | 32.1 | 32.3 | 35.4 |
| Average daytime temperature (°C) | 34.2 | 35.3 | 33.8 | 32.7 | 31.3 | 29.4 | 29.1 | 28.9 | 29.0 | 29.6 | 30.3 | 32.7 |
| Average temperature (°C) | 26.4 | 27.5 | 26.8 | 26.6 | 26.1 | 24.8 | 24.6 | 24.5 | 24.7 | 25.0 | 25.6 | 26.0 |
| Average night temperature (°C) | 21.3 | 22.9 | 22.8 | 23.5 | 23.4 | 22.7 | 22.4 | 22.5 | 22.6 | 22.6 | 22.9 | 21.6 |
| Absolute minimum temperature (°C) | 18.5 | 21.5 | 21.4 | 22.2 | 22.5 | 21.7 | 20.8 | 21.4 | 22.0 | 21.9 | 22.1 | 17.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.6 | 9.6 | 8.4 | 8.0 | 7.4 | 7.0 | 6.6 | 5.5 | 6.5 | 7.1 | 8.1 | 9.7 |
| Precipitation (mm) | 7 | 6 | 87 | 215 | 306 | 344 | 381 | 627 | 391 | 356 | 170 | 14 |
| Sunny days | 22 | 15 | 7 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 19 |
| Rainy days | 9 | 13 | 24 | 27 | 30 | 30 | 31 | 30 | 30 | 31 | 29 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wanjama is at