Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 80 days
Number of rainy days: 285 days
Look at detailed online map of Tongiama
* Weather data for Tongiama 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) | 37.0 | 37.8 | 38.0 | 35.3 | 34.6 | 32.0 | 32.5 | 32.3 | 32.2 | 31.7 | 31.9 | 35.6 |
| Average daytime temperature (°C) | 35.0 | 36.1 | 34.5 | 33.2 | 31.6 | 29.7 | 29.3 | 28.6 | 29.2 | 29.5 | 30.2 | 32.8 |
| Average temperature (°C) | 26.8 | 28.3 | 27.4 | 27.0 | 26.3 | 25.0 | 24.7 | 24.5 | 24.8 | 25.1 | 25.7 | 25.9 |
| Average night temperature (°C) | 20.8 | 23.2 | 23.0 | 23.7 | 23.5 | 22.8 | 22.6 | 22.6 | 22.6 | 22.8 | 22.9 | 20.8 |
| Absolute minimum temperature (°C) | 16.7 | 21.9 | 20.9 | 22.6 | 22.8 | 21.7 | 21.4 | 21.4 | 21.6 | 21.9 | 22.0 | 17.1 |
| 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 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 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) | 9.7 | 9.7 | 8.3 | 8.0 | 7.5 | 7.3 | 6.8 | 5.4 | 6.7 | 7.5 | 8.1 | 9.8 |
| Precipitation (mm) | 7 | 2 | 80 | 166 | 337 | 270 | 394 | 584 | 383 | 358 | 162 | 4 |
| Sunny days | 24 | 22 | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 20 |
| Rainy days | 7 | 6 | 20 | 29 | 30 | 30 | 31 | 31 | 30 | 31 | 29 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tongiama is at