Average annual temperature is 26.4 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Tonko
* Weather data for Tonko 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) | 35.1 | 32.4 | 32.1 | 33.7 | 33.4 | 30.9 | 31.1 | 29.9 | 30.7 | 31.5 | 32.6 | 34.0 |
| Average daytime temperature (°C) | 31.6 | 31.2 | 30.6 | 31.4 | 30.7 | 28.9 | 28.5 | 27.8 | 28.8 | 29.5 | 30.2 | 32.2 |
| Average temperature (°C) | 26.5 | 27.1 | 26.9 | 27.8 | 27.4 | 25.8 | 25.3 | 25.1 | 25.5 | 25.7 | 26.6 | 26.9 |
| Average night temperature (°C) | 22.8 | 24.0 | 24.3 | 25.1 | 24.9 | 23.9 | 23.2 | 23.1 | 23.4 | 23.3 | 23.8 | 22.9 |
| Absolute minimum temperature (°C) | 20.3 | 22.7 | 22.9 | 23.8 | 23.8 | 22.7 | 22.4 | 22.3 | 22.4 | 22.5 | 22.6 | 18.7 |
| 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 | 12.6 | 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) | 9.9 | 10.0 | 9.8 | 9.4 | 8.3 | 7.2 | 7.4 | 6.0 | 7.3 | 7.5 | 8.8 | 9.9 |
| Precipitation (mm) | 0 | 0 | 14 | 64 | 361 | 448 | 647 | 602 | 415 | 413 | 174 | 16 |
| Sunny days | 29 | 27 | 22 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 21 |
| Rainy days | 2 | 1 | 9 | 19 | 30 | 30 | 31 | 31 | 30 | 31 | 27 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tonko is at