Average annual temperature is 28.1 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Tonba
* Weather data for Tonba Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.3 | 39.1 | 41.4 | 41.4 | 41.0 | 38.8 | 34.3 | 31.7 | 33.0 | 34.7 | 36.7 | 36.4 |
| Average daytime temperature (°C) | 34.1 | 37.0 | 38.1 | 39.3 | 35.6 | 34.1 | 30.8 | 29.0 | 30.0 | 32.2 | 34.4 | 34.1 |
| Average temperature (°C) | 27.0 | 30.0 | 31.1 | 32.4 | 30.0 | 28.6 | 26.2 | 25.1 | 25.5 | 26.6 | 27.9 | 27.0 |
| Average night temperature (°C) | 20.1 | 23.1 | 23.9 | 25.6 | 24.9 | 24.0 | 22.6 | 22.1 | 22.1 | 22.5 | 21.6 | 20.4 |
| Absolute minimum temperature (°C) | 17.6 | 20.7 | 20.6 | 22.7 | 22.2 | 22.3 | 21.0 | 21.2 | 20.8 | 20.7 | 18.1 | 14.5 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 10.5 | 10.1 | 10.4 | 10.4 | 8.7 | 9.3 | 9.1 | 7.5 | 9.2 | 9.6 | 10.5 | 10.5 |
| Precipitation (mm) | 0 | 0 | 24 | 1 | 108 | 97 | 174 | 243 | 179 | 85 | 1 | 0 |
| Sunny days | 31 | 28 | 28 | 27 | 11 | 12 | 4 | 4 | 4 | 11 | 27 | 31 |
| Rainy days | 0 | 0 | 3 | 3 | 20 | 18 | 27 | 27 | 26 | 20 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tonba is at