Average annual temperature is 12.9 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 235 days
Number of rainy days: 117 days
Number of snow days: 13 days
Look at detailed online map of Helvey
* Weather data for Helvey 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) | 11.3 | 16.1 | 23.3 | 29.7 | 31.9 | 35.2 | 37.6 | 39.5 | 36.0 | 32.2 | 22.4 | 15.7 |
| Average daytime temperature (°C) | 3.7 | 7.7 | 10.3 | 20.4 | 26.6 | 30.1 | 30.3 | 31.8 | 28.9 | 19.4 | 12.8 | 7.1 |
| Average temperature (°C) | -1.2 | 0.1 | 3.6 | 12.4 | 19.8 | 24.0 | 24.4 | 25.5 | 22.4 | 13.8 | 6.6 | 2.3 |
| Average night temperature (°C) | -4.7 | -4.8 | -1.2 | 6.2 | 13.7 | 18.1 | 19.5 | 20.3 | 16.7 | 9.0 | 1.8 | -1.2 |
| Absolute minimum temperature (°C) | -15.4 | -16.2 | -9.4 | -3.6 | 4.0 | 11.6 | 14.0 | 13.5 | 10.2 | -5.9 | -5.8 | -5.5 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 6.2 | 8.2 | 8.5 | 10.2 | 11.3 | 12.7 | 11.7 | 11.3 | 10.6 | 8.0 | 7.2 | 5.1 |
| Precipitation (mm) | 37 | 33 | 32 | 15 | 37 | 59 | 100 | 44 | 29 | 49 | 34 | 50 |
| Sunny days | 23 | 21 | 20 | 23 | 18 | 18 | 12 | 20 | 20 | 18 | 23 | 19 |
| Rainy days | 5 | 5 | 9 | 7 | 13 | 12 | 19 | 11 | 10 | 13 | 5 | 8 |
| Snow days | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Helvey during the most sunny months:
The largest precipitation sum in Helvey is at