Average annual temperature is 12.6 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Al Lann
* Weather data for Al Lann France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.7 | 16.4 | 17.2 | 17.5 | 20.3 | 29.5 | 27.3 | 26.7 | 30.1 | 26.8 | 15.8 | 15.0 |
| Average daytime temperature (°C) | 9.3 | 10.4 | 11.9 | 13.5 | 16.5 | 21.5 | 20.5 | 20.6 | 22.1 | 18.1 | 12.3 | 11.5 |
| Average temperature (°C) | 7.2 | 7.3 | 9.3 | 10.0 | 13.0 | 17.2 | 17.1 | 17.2 | 18.1 | 14.4 | 10.3 | 9.7 |
| Average night temperature (°C) | 5.1 | 4.7 | 6.9 | 6.8 | 9.6 | 13.3 | 13.9 | 14.2 | 14.4 | 11.4 | 8.3 | 7.8 |
| Absolute minimum temperature (°C) | -3.1 | -1.3 | 0.3 | 1.8 | 6.7 | 10.0 | 10.6 | 11.9 | 10.3 | 7.5 | 2.7 | 2.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.2 | 5.2 | 5.2 | 8.3 | 11.3 | 11.6 | 9.6 | 9.2 | 8.8 | 6.5 | 4.3 | 3.2 |
| Precipitation (mm) | 126 | 24 | 129 | 66 | 82 | 48 | 76 | 92 | 84 | 80 | 146 | 104 |
| Sunny days | 6 | 11 | 1 | 9 | 17 | 16 | 3 | 4 | 7 | 10 | 2 | 4 |
| Rainy days | 25 | 17 | 30 | 21 | 14 | 14 | 28 | 27 | 23 | 21 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Al Lann during the most sunny months:
Months with the longest average daylight duration in Al Lann:
The largest precipitation sum in Al Lann is at