Average annual temperature is 25.4 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 14.6 °C
Number of sunny days: 161 days
Number of rainy days: 204 days
Look at detailed online map of Ondésania
* Weather data for Ondésania 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) | 34.3 | 36.1 | 37.3 | 37.7 | 34.1 | 32.1 | 31.2 | 31.6 | 31.0 | 32.4 | 33.4 | 34.7 |
| Average daytime temperature (°C) | 32.1 | 34.7 | 35.1 | 34.4 | 31.4 | 29.2 | 28.9 | 28.4 | 29.0 | 29.8 | 32.0 | 32.3 |
| Average temperature (°C) | 24.3 | 27.1 | 27.8 | 27.8 | 26.1 | 24.7 | 24.2 | 23.9 | 24.2 | 24.9 | 25.8 | 24.6 |
| Average night temperature (°C) | 17.8 | 20.3 | 21.6 | 22.5 | 22.6 | 21.9 | 21.4 | 21.3 | 21.2 | 21.5 | 20.8 | 18.0 |
| Absolute minimum temperature (°C) | 15.7 | 17.6 | 19.9 | 21.3 | 21.6 | 20.9 | 19.9 | 20.5 | 20.4 | 20.5 | 17.2 | 14.6 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.4 | 12.2 | 11.9 | 11.7 | 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) | 10.0 | 10.0 | 10.2 | 10.1 | 7.9 | 7.6 | 8.2 | 7.1 | 8.2 | 9.1 | 10.3 | 10.3 |
| Precipitation (mm) | 3 | 0 | 11 | 53 | 205 | 218 | 370 | 336 | 427 | 233 | 36 | 0 |
| Sunny days | 30 | 28 | 26 | 22 | 4 | 1 | 1 | 0 | 0 | 3 | 15 | 31 |
| Rainy days | 1 | 0 | 5 | 8 | 27 | 29 | 30 | 31 | 30 | 28 | 15 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ondésania is at