Average annual temperature is 26.5 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Mammi
* Weather data for Mammi 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 | 38.0 | 38.6 | 38.1 | 36.1 | 32.5 | 31.2 | 30.7 | 32.7 | 35.3 | 34.9 | 35.5 |
| Average daytime temperature (°C) | 34.1 | 36.0 | 35.6 | 35.4 | 33.7 | 30.2 | 29.5 | 28.5 | 29.6 | 32.0 | 33.6 | 33.6 |
| Average temperature (°C) | 26.7 | 28.6 | 28.4 | 28.6 | 27.4 | 25.3 | 24.9 | 24.2 | 24.7 | 25.9 | 27.1 | 26.1 |
| Average night temperature (°C) | 20.1 | 21.7 | 22.8 | 23.5 | 23.1 | 22.0 | 21.8 | 21.6 | 21.4 | 21.7 | 21.5 | 19.9 |
| Absolute minimum temperature (°C) | 17.9 | 20.0 | 19.5 | 22.2 | 21.5 | 21.1 | 21.1 | 20.6 | 20.4 | 20.6 | 19.4 | 17.3 |
| 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 | 10.0 | 8.9 | 9.1 | 9.6 | 8.3 | 8.5 | 7.5 | 8.0 | 9.4 | 10.5 | 10.4 |
| Precipitation (mm) | 0 | 2 | 36 | 34 | 167 | 150 | 215 | 287 | 171 | 109 | 18 | 0 |
| Sunny days | 31 | 26 | 21 | 13 | 8 | 2 | 1 | 0 | 0 | 11 | 23 | 31 |
| Rainy days | 0 | 2 | 10 | 17 | 23 | 28 | 30 | 31 | 30 | 20 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mammi is at