Average annual temperature is 13.5 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Héllen
* Weather data for Héllen 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) | 13.2 | 13.0 | 13.7 | 17.4 | 20.7 | 26.5 | 24.8 | 26.7 | 29.7 | 23.2 | 15.9 | 15.0 |
| Average daytime temperature (°C) | 10.3 | 10.3 | 11.2 | 13.2 | 16.8 | 20.8 | 19.0 | 19.3 | 20.9 | 17.5 | 13.4 | 12.3 |
| Average temperature (°C) | 8.9 | 8.2 | 9.9 | 11.0 | 14.1 | 17.8 | 17.5 | 17.5 | 18.3 | 15.4 | 12.1 | 11.3 |
| Average night temperature (°C) | 7.4 | 6.3 | 8.4 | 8.7 | 11.7 | 15.0 | 16.0 | 15.8 | 15.8 | 13.3 | 10.9 | 9.9 |
| Absolute minimum temperature (°C) | 0.0 | 2.4 | 2.4 | 5.3 | 8.2 | 11.4 | 12.5 | 13.8 | 11.7 | 9.2 | 7.1 | 4.7 |
| 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) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 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) | 3.9 | 6.5 | 5.9 | 8.7 | 12.3 | 12.6 | 10.2 | 10.1 | 9.3 | 6.3 | 4.5 | 3.8 |
| Precipitation (mm) | 120 | 16 | 173 | 84 | 55 | 56 | 99 | 93 | 106 | 194 | 189 | 129 |
| Sunny days | 5 | 19 | 5 | 10 | 18 | 14 | 3 | 5 | 10 | 8 | 4 | 7 |
| Rainy days | 26 | 9 | 26 | 20 | 13 | 16 | 28 | 26 | 20 | 23 | 26 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Héllen during the most sunny months:
Months with the longest average daylight duration in Héllen:
The largest precipitation sum in Héllen is at