Average annual temperature is 28.5 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 197 days
Number of rainy days: 168 days
Look at detailed online map of Outianhou
* Weather data for Outianhou 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) | 38.0 | 39.9 | 41.0 | 41.6 | 38.4 | 35.6 | 34.4 | 32.3 | 34.4 | 37.8 | 37.5 | 37.9 |
| Average daytime temperature (°C) | 35.3 | 37.6 | 38.1 | 37.9 | 35.4 | 32.5 | 31.6 | 29.7 | 30.6 | 33.1 | 35.7 | 35.1 |
| Average temperature (°C) | 27.3 | 30.0 | 31.2 | 31.9 | 30.1 | 28.1 | 27.3 | 25.8 | 26.5 | 27.8 | 29.5 | 27.3 |
| Average night temperature (°C) | 20.3 | 23.3 | 25.3 | 26.7 | 25.8 | 24.4 | 23.9 | 23.1 | 23.3 | 23.5 | 23.5 | 20.3 |
| Absolute minimum temperature (°C) | 16.9 | 20.5 | 22.3 | 24.3 | 23.5 | 22.5 | 22.7 | 22.4 | 21.7 | 22.0 | 21.2 | 17.8 |
| 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 | 12.5 | 12.2 | 11.9 | 11.6 | 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 | 9.5 | 9.4 | 9.8 | 9.2 | 8.8 | 7.5 | 8.3 | 9.6 | 10.5 | 10.2 |
| Precipitation (mm) | 0 | 0 | 11 | 12 | 57 | 89 | 159 | 241 | 118 | 75 | 10 | 0 |
| Sunny days | 31 | 28 | 25 | 18 | 16 | 5 | 3 | 1 | 1 | 15 | 23 | 31 |
| Rainy days | 0 | 0 | 6 | 12 | 15 | 25 | 28 | 30 | 29 | 16 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Outianhou is at