Average annual temperature is 30.3 °C
Absolute maximum temperature: 44.2 °C
Absolute minimum temperature: 10.7 °C
Number of sunny days: 317 days
Number of rainy days: 48 days
Look at detailed online map of Grenfalla
* Weather data for Grenfalla Mauritania is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.3 | 38.9 | 41.3 | 43.1 | 43.9 | 44.2 | 42.9 | 42.1 | 42.3 | 41.7 | 40.0 | 36.0 |
| Average daytime temperature (°C) | 30.6 | 34.5 | 37.9 | 38.9 | 41.1 | 41.4 | 37.5 | 36.1 | 38.1 | 38.7 | 35.6 | 31.1 |
| Average temperature (°C) | 23.4 | 27.0 | 30.2 | 32.1 | 35.3 | 35.5 | 32.2 | 31.1 | 32.1 | 32.4 | 28.2 | 23.8 |
| Average night temperature (°C) | 16.7 | 20.1 | 22.4 | 25.0 | 29.1 | 29.4 | 27.3 | 26.6 | 26.8 | 25.7 | 21.0 | 17.0 |
| Absolute minimum temperature (°C) | 10.7 | 14.0 | 17.8 | 22.1 | 23.9 | 26.1 | 23.4 | 23.7 | 25.0 | 21.7 | 16.7 | 11.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 10.0 | 10.6 | 10.7 | 9.5 | 10.3 | 9.5 | 9.6 | 10.4 | 9.8 | 10.5 | 10.0 |
| Precipitation (mm) | 0 | 0 | 0 | 2 | 2 | 1 | 34 | 60 | 9 | 1 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 28 | 29 | 25 | 19 | 16 | 20 | 29 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 2 | 2 | 5 | 12 | 15 | 10 | 2 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grenfalla is at