Average annual temperature is 26.6 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 64 days
Number of rainy days: 301 days
Look at detailed online map of Tchian
* Weather data for Tchian 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 | 37.8 | 36.0 | 34.8 | 34.0 | 32.7 | 31.5 | 31.5 | 33.4 | 32.9 | 34.1 | 37.2 |
| Average daytime temperature (°C) | 34.0 | 34.5 | 33.4 | 32.7 | 32.0 | 29.7 | 29.3 | 29.1 | 29.4 | 31.0 | 32.2 | 34.8 |
| Average temperature (°C) | 26.9 | 27.8 | 27.8 | 27.6 | 27.3 | 25.4 | 25.2 | 25.2 | 25.2 | 26.1 | 26.8 | 27.4 |
| Average night temperature (°C) | 22.7 | 23.8 | 24.2 | 24.5 | 24.3 | 23.2 | 23.0 | 22.9 | 22.8 | 23.4 | 23.6 | 22.6 |
| Absolute minimum temperature (°C) | 18.4 | 20.1 | 22.3 | 23.3 | 23.1 | 22.1 | 22.4 | 21.9 | 21.3 | 21.6 | 21.2 | 20.0 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 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) | 9.2 | 9.7 | 8.7 | 8.4 | 8.7 | 6.6 | 7.9 | 7.7 | 7.2 | 8.2 | 9.0 | 10.0 |
| Precipitation (mm) | 12 | 24 | 69 | 102 | 158 | 181 | 203 | 149 | 197 | 141 | 69 | 28 |
| Sunny days | 19 | 10 | 4 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 22 |
| Rainy days | 12 | 18 | 27 | 25 | 31 | 28 | 31 | 31 | 30 | 31 | 28 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tchian is at