Average annual temperature is 27.5 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of Grobani
* Weather data for Grobani 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) | 36.4 | 37.9 | 39.4 | 39.8 | 38.8 | 35.9 | 33.3 | 32.7 | 34.5 | 37.0 | 36.3 | 35.6 |
| Average daytime temperature (°C) | 33.1 | 35.4 | 37.3 | 37.6 | 36.2 | 32.6 | 31.6 | 29.9 | 31.3 | 34.1 | 35.2 | 33.3 |
| Average temperature (°C) | 24.9 | 27.3 | 30.2 | 31.0 | 30.1 | 27.5 | 26.7 | 25.3 | 26.2 | 27.7 | 28.1 | 25.1 |
| Average night temperature (°C) | 17.9 | 20.4 | 23.7 | 25.3 | 25.1 | 23.6 | 23.2 | 22.4 | 22.6 | 22.9 | 22.1 | 18.3 |
| Absolute minimum temperature (°C) | 15.1 | 17.7 | 19.1 | 22.5 | 23.8 | 22.2 | 22.2 | 21.6 | 21.2 | 21.4 | 19.5 | 16.1 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.7 | 11.5 |
| 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 | 9.6 | 9.9 | 9.9 | 9.1 | 9.0 | 7.7 | 8.6 | 9.9 | 10.6 | 10.6 |
| Precipitation (mm) | 0 | 0 | 8 | 13 | 53 | 83 | 129 | 269 | 124 | 47 | 1 | 0 |
| Sunny days | 31 | 28 | 28 | 25 | 15 | 5 | 5 | 3 | 8 | 20 | 27 | 31 |
| Rainy days | 0 | 0 | 3 | 5 | 16 | 25 | 26 | 28 | 22 | 11 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grobani is at