Average annual temperature is 27.8 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Tonson
* Weather data for Tonson 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) | 36.7 | 38.5 | 39.8 | 40.3 | 39.3 | 36.1 | 34.4 | 32.0 | 32.6 | 35.6 | 36.1 | 36.2 |
| Average daytime temperature (°C) | 33.5 | 36.4 | 37.7 | 38.6 | 35.0 | 32.6 | 31.0 | 29.0 | 30.0 | 33.0 | 34.7 | 33.8 |
| Average temperature (°C) | 26.1 | 29.1 | 30.8 | 31.9 | 29.5 | 27.7 | 26.4 | 25.1 | 25.5 | 27.5 | 28.3 | 26.4 |
| Average night temperature (°C) | 19.4 | 22.3 | 24.3 | 25.4 | 24.8 | 23.6 | 22.6 | 22.0 | 21.9 | 22.7 | 22.2 | 19.7 |
| Absolute minimum temperature (°C) | 17.2 | 20.4 | 22.0 | 22.3 | 22.3 | 22.4 | 21.3 | 21.4 | 21.0 | 21.0 | 19.2 | 15.7 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 10.3 | 10.3 | 9.0 | 9.3 | 9.4 | 8.2 | 9.8 | 10.2 | 10.7 | 10.6 |
| Precipitation (mm) | 0 | 0 | 2 | 13 | 76 | 78 | 149 | 226 | 202 | 29 | 0 | 0 |
| Sunny days | 31 | 28 | 28 | 27 | 11 | 7 | 4 | 3 | 6 | 13 | 28 | 31 |
| Rainy days | 0 | 0 | 3 | 3 | 20 | 23 | 27 | 28 | 24 | 18 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tonson is at