Average annual temperature is 27.1 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 21.0 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Ouassaho
* Weather data for Ouassaho Benin is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.3 | 38.9 | 37.6 | 36.1 | 35.3 | 34.3 | 31.1 | 31.0 | 32.1 | 33.5 | 34.3 | 37.0 |
| Average daytime temperature (°C) | 35.4 | 37.0 | 34.6 | 33.4 | 33.1 | 30.5 | 29.5 | 29.5 | 29.8 | 31.3 | 32.9 | 35.2 |
| Average temperature (°C) | 28.4 | 29.5 | 28.2 | 27.9 | 27.6 | 25.8 | 25.2 | 25.1 | 25.2 | 26.3 | 27.4 | 28.4 |
| Average night temperature (°C) | 23.4 | 24.4 | 24.3 | 24.6 | 24.5 | 23.2 | 22.7 | 22.6 | 22.6 | 23.4 | 23.8 | 23.1 |
| Absolute minimum temperature (°C) | 21.0 | 23.1 | 22.3 | 23.2 | 23.3 | 22.0 | 21.7 | 21.8 | 21.9 | 22.1 | 21.6 | 21.5 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.6 | 10.0 | 8.4 | 8.5 | 9.1 | 7.9 | 8.2 | 7.8 | 7.5 | 8.7 | 9.9 | 10.3 |
| Precipitation (mm) | 3 | 4 | 115 | 68 | 113 | 214 | 238 | 178 | 213 | 76 | 25 | 0 |
| Sunny days | 25 | 24 | 8 | 5 | 0 | 2 | 0 | 0 | 1 | 2 | 12 | 30 |
| Rainy days | 6 | 4 | 23 | 25 | 31 | 28 | 31 | 31 | 29 | 29 | 18 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ouassaho is at