Average annual temperature is 25.4 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 142 days
Number of rainy days: 223 days
Look at detailed online map of Ouassou
* Weather data for Ouassou 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) | 37.6 | 37.5 | 37.0 | 37.0 | 34.4 | 32.3 | 31.4 | 31.3 | 32.1 | 31.1 | 33.4 | 35.8 |
| Average daytime temperature (°C) | 34.5 | 34.5 | 34.3 | 34.7 | 32.2 | 29.2 | 28.1 | 28.0 | 29.1 | 29.7 | 31.3 | 33.5 |
| Average temperature (°C) | 25.3 | 26.0 | 26.1 | 27.1 | 26.8 | 25.0 | 24.2 | 24.2 | 24.4 | 24.8 | 25.6 | 25.4 |
| Average night temperature (°C) | 19.3 | 20.2 | 21.0 | 22.3 | 23.6 | 22.8 | 22.0 | 22.0 | 22.0 | 22.3 | 22.0 | 19.9 |
| Absolute minimum temperature (°C) | 17.9 | 19.1 | 19.2 | 20.9 | 22.2 | 21.6 | 20.0 | 20.9 | 21.1 | 21.5 | 20.4 | 17.5 |
| 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) | 11.6 | 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) | 10.1 | 10.1 | 10.1 | 10.3 | 7.9 | 7.1 | 6.8 | 6.1 | 6.6 | 7.0 | 9.5 | 9.9 |
| Precipitation (mm) | 0 | 0 | 10 | 16 | 158 | 276 | 521 | 577 | 430 | 331 | 52 | 0 |
| Sunny days | 31 | 25 | 23 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 12 | 30 |
| Rainy days | 0 | 3 | 8 | 13 | 27 | 30 | 31 | 31 | 30 | 31 | 18 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ouassou is at