Average annual temperature is 27.3 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Sandéou
* Weather data for Sandéou 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 | 39.7 | 38.9 | 39.3 | 37.0 | 34.7 | 33.4 | 33.1 | 34.6 | 35.2 | 36.0 | 37.3 |
| Average daytime temperature (°C) | 36.6 | 38.0 | 36.2 | 35.4 | 34.8 | 31.4 | 31.2 | 30.8 | 31.3 | 33.0 | 34.5 | 35.8 |
| Average temperature (°C) | 27.9 | 29.5 | 28.8 | 28.7 | 28.2 | 26.0 | 25.8 | 25.6 | 25.7 | 26.7 | 27.7 | 27.1 |
| Average night temperature (°C) | 20.4 | 22.6 | 23.8 | 24.5 | 24.2 | 22.9 | 22.9 | 22.7 | 22.5 | 23.0 | 23.2 | 19.8 |
| Absolute minimum temperature (°C) | 17.3 | 18.7 | 22.6 | 23.3 | 22.8 | 21.9 | 22.3 | 21.8 | 20.9 | 21.8 | 22.2 | 17.2 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 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) | 9.8 | 9.9 | 8.7 | 8.3 | 8.9 | 7.5 | 7.5 | 7.0 | 7.2 | 8.1 | 9.9 | 10.2 |
| Precipitation (mm) | 1 | 0 | 85 | 40 | 68 | 172 | 179 | 187 | 167 | 125 | 16 | 0 |
| Sunny days | 30 | 27 | 14 | 13 | 2 | 2 | 2 | 0 | 1 | 8 | 17 | 31 |
| Rainy days | 1 | 1 | 17 | 17 | 29 | 28 | 29 | 31 | 29 | 23 | 13 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sandéou is at