Average annual temperature is 28.4 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of Santiahon
* Weather data for Santiahon 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) | 38.3 | 39.5 | 41.3 | 41.7 | 39.6 | 35.6 | 34.2 | 32.6 | 34.5 | 37.4 | 37.8 | 37.8 |
| Average daytime temperature (°C) | 35.1 | 37.4 | 38.3 | 38.4 | 35.4 | 32.6 | 32.0 | 29.8 | 30.8 | 33.4 | 35.9 | 35.1 |
| Average temperature (°C) | 26.5 | 29.3 | 31.3 | 32.2 | 30.1 | 28.2 | 27.3 | 25.7 | 26.5 | 27.9 | 29.3 | 26.5 |
| Average night temperature (°C) | 19.0 | 21.9 | 25.0 | 26.8 | 25.9 | 24.4 | 23.9 | 23.1 | 23.2 | 23.5 | 23.1 | 19.2 |
| Absolute minimum temperature (°C) | 15.6 | 19.5 | 21.0 | 23.9 | 24.0 | 22.4 | 22.8 | 22.0 | 21.8 | 20.6 | 19.4 | 17.0 |
| 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 | 10.2 | 9.6 | 9.6 | 9.8 | 9.9 | 8.9 | 7.6 | 8.5 | 9.9 | 10.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 14 | 10 | 46 | 63 | 147 | 236 | 102 | 51 | 0 | 0 |
| Sunny days | 31 | 28 | 26 | 20 | 16 | 6 | 4 | 1 | 5 | 18 | 27 | 31 |
| Rainy days | 0 | 0 | 5 | 10 | 15 | 24 | 27 | 30 | 25 | 13 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santiahon is at