Average annual temperature is 24.1 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Yolian
* Weather data for Yolian 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) | 34.5 | 36.2 | 35.1 | 34.1 | 33.3 | 31.7 | 31.4 | 32.8 | 30.9 | 31.8 | 33.6 | 33.6 |
| Average daytime temperature (°C) | 32.5 | 33.7 | 32.5 | 32.0 | 30.6 | 28.2 | 28.2 | 27.9 | 28.6 | 29.3 | 30.3 | 31.8 |
| Average temperature (°C) | 24.4 | 26.1 | 25.4 | 25.3 | 24.4 | 23.3 | 23.0 | 22.9 | 23.1 | 23.5 | 24.0 | 24.0 |
| Average night temperature (°C) | 18.2 | 19.8 | 20.6 | 21.3 | 21.3 | 20.7 | 20.3 | 20.3 | 20.5 | 20.4 | 20.2 | 18.1 |
| Absolute minimum temperature (°C) | 15.9 | 16.6 | 18.2 | 19.8 | 20.0 | 20.1 | 18.9 | 19.4 | 19.4 | 19.3 | 18.5 | 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 | 11.8 | 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) | 10.1 | 10.0 | 9.0 | 8.6 | 7.9 | 7.0 | 7.3 | 7.3 | 7.9 | 8.2 | 9.1 | 10.5 |
| Precipitation (mm) | 14 | 4 | 76 | 141 | 245 | 241 | 264 | 371 | 324 | 231 | 110 | 1 |
| Sunny days | 27 | 23 | 14 | 7 | 1 | 0 | 0 | 1 | 0 | 0 | 8 | 28 |
| Rainy days | 4 | 5 | 17 | 23 | 30 | 30 | 31 | 30 | 30 | 31 | 22 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yolian is at