Average annual temperature is 25.8 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of Tongola
* Weather data for Tongola 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) | 35.8 | 36.9 | 37.5 | 35.1 | 33.5 | 32.6 | 31.8 | 31.9 | 31.7 | 30.9 | 31.5 | 34.4 |
| Average daytime temperature (°C) | 33.7 | 35.1 | 33.6 | 32.9 | 31.5 | 29.6 | 29.5 | 28.9 | 29.3 | 29.6 | 30.1 | 32.0 |
| Average temperature (°C) | 26.0 | 28.2 | 27.1 | 27.1 | 26.4 | 25.0 | 24.8 | 24.6 | 24.7 | 25.1 | 25.5 | 25.4 |
| Average night temperature (°C) | 19.6 | 22.6 | 22.6 | 23.6 | 23.4 | 22.6 | 22.5 | 22.5 | 22.5 | 22.5 | 22.4 | 19.7 |
| Absolute minimum temperature (°C) | 16.5 | 20.8 | 20.1 | 22.1 | 22.5 | 21.8 | 21.1 | 21.4 | 21.8 | 21.8 | 20.7 | 16.3 |
| 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 | 10.0 | 8.6 | 8.5 | 7.5 | 7.1 | 7.1 | 5.6 | 6.6 | 7.7 | 8.5 | 10.0 |
| Precipitation (mm) | 13 | 0 | 78 | 200 | 285 | 274 | 356 | 447 | 363 | 330 | 157 | 0 |
| Sunny days | 25 | 26 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 26 |
| Rainy days | 6 | 2 | 19 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tongola is at