Average annual temperature is 26.2 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Siètarha
* Weather data for Siètarha 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) | 36.1 | 37.6 | 38.8 | 38.5 | 35.8 | 32.8 | 30.9 | 29.9 | 32.2 | 35.0 | 34.2 | 34.6 |
| Average daytime temperature (°C) | 33.5 | 35.7 | 35.2 | 35.3 | 32.8 | 29.9 | 29.2 | 28.2 | 29.0 | 31.1 | 32.6 | 32.3 |
| Average temperature (°C) | 25.9 | 28.2 | 28.5 | 29.1 | 27.6 | 25.6 | 25.1 | 24.3 | 24.7 | 25.7 | 26.3 | 24.2 |
| Average night temperature (°C) | 19.4 | 21.6 | 22.9 | 24.2 | 23.6 | 22.4 | 22.1 | 21.7 | 21.5 | 21.7 | 20.8 | 17.9 |
| Absolute minimum temperature (°C) | 16.8 | 19.4 | 19.6 | 22.7 | 21.6 | 21.0 | 21.3 | 20.7 | 20.2 | 19.3 | 18.7 | 15.5 |
| 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 | 10.1 | 9.4 | 9.4 | 9.8 | 8.9 | 8.9 | 8.0 | 8.6 | 9.8 | 10.6 | 10.3 |
| Precipitation (mm) | 0 | 0 | 29 | 25 | 114 | 132 | 168 | 286 | 184 | 110 | 13 | 0 |
| Sunny days | 31 | 26 | 22 | 13 | 9 | 2 | 1 | 0 | 0 | 10 | 27 | 31 |
| Rainy days | 0 | 2 | 9 | 17 | 22 | 28 | 30 | 31 | 30 | 21 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siètarha is at