Average annual temperature is 26.7 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Arérou
* Weather data for Arérou 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) | 36.4 | 37.4 | 38.2 | 37.7 | 36.3 | 33.9 | 32.9 | 31.1 | 33.7 | 36.0 | 35.9 | 36.0 |
| Average daytime temperature (°C) | 34.1 | 35.8 | 36.0 | 35.5 | 34.0 | 30.9 | 30.4 | 29.2 | 30.4 | 32.7 | 34.3 | 34.3 |
| Average temperature (°C) | 25.8 | 27.7 | 28.7 | 28.8 | 27.8 | 25.8 | 25.4 | 24.6 | 25.2 | 26.6 | 27.5 | 26.0 |
| Average night temperature (°C) | 19.0 | 21.0 | 23.3 | 23.8 | 23.6 | 22.4 | 22.2 | 21.7 | 21.8 | 22.2 | 21.6 | 19.1 |
| Absolute minimum temperature (°C) | 15.6 | 18.5 | 20.9 | 21.7 | 22.4 | 21.6 | 21.2 | 20.8 | 20.6 | 20.9 | 18.8 | 16.7 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 10.1 | 9.9 | 9.3 | 9.1 | 9.6 | 8.7 | 8.3 | 6.7 | 8.0 | 9.3 | 10.6 | 10.5 |
| Precipitation (mm) | 0 | 0 | 19 | 51 | 89 | 105 | 174 | 206 | 105 | 72 | 2 | 0 |
| Sunny days | 31 | 28 | 19 | 17 | 10 | 1 | 0 | 0 | 1 | 15 | 25 | 31 |
| Rainy days | 0 | 0 | 12 | 13 | 21 | 29 | 31 | 31 | 29 | 16 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arérou is at