Average annual temperature is 26.3 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Tannou
* Weather data for Tannou 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) | 36.6 | 38.8 | 37.5 | 35.6 | 34.7 | 34.0 | 31.4 | 31.0 | 32.1 | 33.2 | 34.3 | 35.9 |
| Average daytime temperature (°C) | 34.9 | 36.5 | 34.1 | 33.2 | 32.7 | 30.0 | 29.5 | 29.4 | 29.9 | 30.8 | 32.5 | 34.3 |
| Average temperature (°C) | 27.3 | 28.5 | 27.5 | 27.3 | 26.9 | 25.1 | 24.7 | 24.7 | 24.7 | 25.6 | 26.7 | 27.3 |
| Average night temperature (°C) | 22.2 | 23.5 | 23.7 | 23.8 | 23.8 | 22.5 | 22.2 | 22.1 | 22.1 | 22.7 | 23.1 | 21.9 |
| Absolute minimum temperature (°C) | 18.7 | 21.5 | 21.4 | 22.7 | 22.7 | 21.5 | 21.2 | 21.2 | 20.3 | 21.0 | 21.3 | 19.9 |
| 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) | 11.8 | 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) | 9.5 | 9.9 | 8.3 | 8.3 | 8.7 | 7.6 | 8.0 | 7.7 | 7.2 | 8.4 | 9.7 | 10.2 |
| Precipitation (mm) | 7 | 11 | 90 | 82 | 106 | 234 | 157 | 193 | 211 | 99 | 43 | 0 |
| Sunny days | 23 | 17 | 10 | 2 | 0 | 2 | 0 | 0 | 2 | 1 | 10 | 28 |
| Rainy days | 8 | 11 | 21 | 28 | 31 | 28 | 31 | 31 | 28 | 30 | 20 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tannou is at