Average annual temperature is 26.5 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Tchatchou
* Weather data for Tchatchou 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) | 36.5 | 37.9 | 37.7 | 37.9 | 36.0 | 33.8 | 33.4 | 31.9 | 34.8 | 35.2 | 36.3 | 35.9 |
| Average daytime temperature (°C) | 34.2 | 36.4 | 35.8 | 35.2 | 33.8 | 30.7 | 30.3 | 29.4 | 30.4 | 32.7 | 34.6 | 34.8 |
| Average temperature (°C) | 25.9 | 28.0 | 28.3 | 28.4 | 27.4 | 25.4 | 25.1 | 24.5 | 24.9 | 26.2 | 27.4 | 26.3 |
| Average night temperature (°C) | 19.4 | 21.3 | 22.9 | 23.5 | 23.2 | 22.1 | 21.9 | 21.6 | 21.5 | 22.0 | 21.8 | 19.3 |
| Absolute minimum temperature (°C) | 16.7 | 19.0 | 21.2 | 22.4 | 21.9 | 21.3 | 21.2 | 20.9 | 20.2 | 20.9 | 20.4 | 17.1 |
| 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.0 | 9.9 | 8.7 | 8.9 | 9.2 | 7.8 | 7.9 | 6.7 | 7.8 | 8.9 | 10.5 | 10.5 |
| Precipitation (mm) | 0 | 1 | 49 | 36 | 105 | 124 | 181 | 248 | 115 | 76 | 4 | 0 |
| Sunny days | 30 | 27 | 17 | 17 | 8 | 0 | 1 | 1 | 2 | 13 | 23 | 31 |
| Rainy days | 1 | 1 | 14 | 13 | 23 | 30 | 30 | 30 | 28 | 18 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tchatchou is at