Average annual temperature is 26.6 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 169 days
Number of rainy days: 196 days
Look at detailed online map of Siou
* Weather data for Siou Togo is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.8 | 37.4 | 38.6 | 38.3 | 35.8 | 32.3 | 30.8 | 29.9 | 32.1 | 34.2 | 33.6 | 33.6 |
| Average daytime temperature (°C) | 33.5 | 35.6 | 35.1 | 34.7 | 32.6 | 29.8 | 29.2 | 28.2 | 29.0 | 31.1 | 32.4 | 32.0 |
| Average temperature (°C) | 26.3 | 28.6 | 29.0 | 29.1 | 27.7 | 25.7 | 25.3 | 24.5 | 25.0 | 26.2 | 26.9 | 24.8 |
| Average night temperature (°C) | 20.3 | 22.3 | 23.5 | 24.6 | 24.1 | 22.7 | 22.5 | 22.1 | 22.1 | 22.5 | 21.8 | 18.9 |
| Absolute minimum temperature (°C) | 17.6 | 19.9 | 20.3 | 22.5 | 22.5 | 21.1 | 21.6 | 21.2 | 20.5 | 21.7 | 19.3 | 16.9 |
| 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 | 9.5 | 9.1 | 9.8 | 8.9 | 8.8 | 8.1 | 8.6 | 9.7 | 10.6 | 10.3 |
| Precipitation (mm) | 0 | 0 | 37 | 34 | 95 | 140 | 166 | 280 | 188 | 110 | 17 | 0 |
| Sunny days | 31 | 26 | 24 | 12 | 8 | 1 | 1 | 0 | 0 | 11 | 24 | 31 |
| Rainy days | 0 | 2 | 7 | 18 | 23 | 29 | 30 | 31 | 30 | 20 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siou is at