Average annual temperature is 25.1 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of Tomandu
* Weather data for Tomandu 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) | 35.3 | 36.1 | 37.2 | 34.9 | 34.1 | 31.7 | 31.4 | 31.8 | 31.2 | 31.9 | 32.6 | 35.0 |
| Average daytime temperature (°C) | 33.6 | 34.5 | 33.0 | 32.6 | 31.2 | 29.0 | 28.9 | 28.4 | 29.1 | 29.8 | 30.2 | 32.3 |
| Average temperature (°C) | 24.9 | 27.3 | 26.4 | 26.5 | 25.8 | 24.4 | 24.1 | 24.0 | 24.3 | 24.5 | 24.9 | 24.2 |
| Average night temperature (°C) | 17.4 | 21.0 | 21.8 | 22.7 | 22.5 | 21.9 | 21.5 | 21.6 | 21.7 | 21.6 | 21.1 | 17.3 |
| Absolute minimum temperature (°C) | 14.6 | 16.9 | 19.1 | 21.2 | 21.4 | 21.1 | 20.2 | 20.7 | 20.8 | 20.3 | 18.6 | 14.1 |
| 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.1 | 9.9 | 8.9 | 8.8 | 8.3 | 7.1 | 7.5 | 7.0 | 7.9 | 8.7 | 9.2 | 10.6 |
| Precipitation (mm) | 54 | 0 | 86 | 187 | 273 | 285 | 293 | 381 | 328 | 334 | 131 | 1 |
| Sunny days | 28 | 26 | 13 | 4 | 2 | 0 | 0 | 1 | 0 | 1 | 8 | 27 |
| Rainy days | 3 | 2 | 18 | 26 | 29 | 30 | 31 | 30 | 30 | 30 | 22 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tomandu is at