Average annual temperature is 24.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Ouassaya
* Weather data for Ouassaya 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 | 35.9 | 35.7 | 34.3 | 33.2 | 30.8 | 31.1 | 31.0 | 30.5 | 31.5 | 32.4 | 34.5 |
| Average daytime temperature (°C) | 32.7 | 34.0 | 32.6 | 32.0 | 30.5 | 28.1 | 28.1 | 27.7 | 28.3 | 29.3 | 30.1 | 32.2 |
| Average temperature (°C) | 24.6 | 26.5 | 25.7 | 25.7 | 25.0 | 23.7 | 23.4 | 23.2 | 23.5 | 23.8 | 24.2 | 24.4 |
| Average night temperature (°C) | 17.7 | 20.0 | 20.7 | 21.7 | 21.7 | 21.1 | 20.7 | 20.8 | 20.9 | 20.7 | 20.2 | 18.1 |
| Absolute minimum temperature (°C) | 15.4 | 16.2 | 18.4 | 20.4 | 20.6 | 20.3 | 18.8 | 19.4 | 20.3 | 18.6 | 17.6 | 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) | 11.7 | 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) | 9.9 | 10.0 | 9.1 | 9.1 | 8.2 | 6.9 | 7.9 | 6.6 | 7.9 | 8.2 | 9.4 | 10.6 |
| Precipitation (mm) | 47 | 1 | 64 | 143 | 228 | 262 | 301 | 349 | 292 | 304 | 105 | 0 |
| Sunny days | 29 | 23 | 15 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 28 |
| Rainy days | 2 | 5 | 16 | 22 | 30 | 30 | 31 | 31 | 30 | 31 | 21 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ouassaya is at