Average annual temperature is 16.0 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 184 days
Number of rainy days: 179 days
Number of snow days: 2 days
Look at detailed online map of Helm
* Weather data for Helm United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.2 | 25.1 | 25.4 | 28.4 | 29.3 | 33.8 | 36.3 | 37.4 | 32.3 | 29.3 | 26.7 | 19.1 |
| Average daytime temperature (°C) | 11.9 | 15.2 | 15.8 | 20.7 | 25.5 | 29.1 | 31.3 | 30.3 | 27.9 | 22.2 | 16.5 | 12.5 |
| Average temperature (°C) | 7.4 | 9.3 | 9.8 | 14.6 | 19.4 | 22.9 | 25.7 | 25.1 | 22.4 | 16.8 | 10.6 | 7.6 |
| Average night temperature (°C) | 4.2 | 5.3 | 5.6 | 9.8 | 14.4 | 17.9 | 21.4 | 20.9 | 18.0 | 12.7 | 6.7 | 4.1 |
| Absolute minimum temperature (°C) | -3.1 | -4.1 | -5.8 | 3.4 | 6.6 | 12.1 | 18.4 | 15.8 | 13.8 | 2.0 | -2.5 | -3.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.9 | 6.2 | 8.2 | 9.3 | 10.7 | 11.0 | 10.9 | 10.5 | 10.5 | 8.0 | 7.6 | 6.1 |
| Precipitation (mm) | 148 | 120 | 120 | 79 | 77 | 123 | 113 | 100 | 55 | 39 | 48 | 84 |
| Sunny days | 13 | 15 | 18 | 16 | 15 | 15 | 7 | 12 | 15 | 20 | 22 | 16 |
| Rainy days | 18 | 12 | 12 | 14 | 16 | 15 | 24 | 19 | 15 | 11 | 8 | 15 |
| Snow days | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Helm during the most sunny months:
The largest precipitation sum in Helm is at