Average annual temperature is 28.6 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 242 days
Number of rainy days: 123 days
Look at detailed online map of Diésson
* Weather data for Diésson 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) | 37.4 | 39.4 | 41.5 | 41.2 | 41.0 | 37.0 | 35.7 | 32.1 | 33.7 | 36.1 | 36.5 | 36.4 |
| Average daytime temperature (°C) | 33.8 | 36.6 | 38.9 | 39.4 | 37.8 | 33.2 | 32.3 | 29.5 | 30.9 | 33.5 | 35.7 | 34.0 |
| Average temperature (°C) | 25.9 | 28.9 | 31.9 | 33.0 | 31.9 | 28.6 | 27.6 | 25.7 | 26.8 | 28.1 | 29.1 | 26.1 |
| Average night temperature (°C) | 18.7 | 21.7 | 25.4 | 27.0 | 26.8 | 24.7 | 24.1 | 22.9 | 23.3 | 23.5 | 22.8 | 18.7 |
| Absolute minimum temperature (°C) | 15.7 | 18.7 | 22.3 | 23.5 | 24.7 | 23.0 | 22.6 | 22.2 | 21.9 | 21.5 | 20.1 | 15.7 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 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 | 10.2 | 9.6 | 10.0 | 9.8 | 10.2 | 9.3 | 7.7 | 8.7 | 10.4 | 10.8 | 10.5 |
| Precipitation (mm) | 0 | 0 | 4 | 11 | 47 | 88 | 126 | 283 | 128 | 35 | 1 | 0 |
| Sunny days | 31 | 28 | 28 | 24 | 17 | 9 | 9 | 3 | 10 | 25 | 27 | 31 |
| Rainy days | 0 | 0 | 3 | 6 | 14 | 21 | 22 | 28 | 20 | 6 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Diésson is at