Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Arlan
* Weather data for Arlan 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) | 38.6 | 40.1 | 38.8 | 38.0 | 37.1 | 35.6 | 32.4 | 32.4 | 33.0 | 34.7 | 36.3 | 39.0 |
| Average daytime temperature (°C) | 36.9 | 38.4 | 36.1 | 35.1 | 34.5 | 31.8 | 30.9 | 30.7 | 30.8 | 32.2 | 34.3 | 37.0 |
| Average temperature (°C) | 29.2 | 30.5 | 29.3 | 29.2 | 28.7 | 26.8 | 26.3 | 26.1 | 26.1 | 27.1 | 28.4 | 29.3 |
| Average night temperature (°C) | 23.2 | 25.1 | 25.1 | 25.5 | 25.3 | 23.9 | 23.5 | 23.4 | 23.4 | 24.0 | 24.6 | 22.9 |
| Absolute minimum temperature (°C) | 18.8 | 21.9 | 23.5 | 24.1 | 23.7 | 22.8 | 22.7 | 22.5 | 22.3 | 22.5 | 22.8 | 20.2 |
| 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 | 12.5 | 12.5 | 12.5 | 12.4 | 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 | 9.8 | 8.1 | 8.0 | 8.6 | 7.2 | 7.9 | 7.5 | 7.1 | 8.2 | 9.8 | 10.2 |
| Precipitation (mm) | 1 | 1 | 84 | 51 | 105 | 170 | 176 | 170 | 173 | 105 | 22 | 1 |
| Sunny days | 26 | 24 | 10 | 4 | 0 | 3 | 1 | 0 | 2 | 4 | 13 | 30 |
| Rainy days | 5 | 4 | 21 | 26 | 31 | 27 | 30 | 31 | 28 | 27 | 17 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arlan is at