Average annual temperature is 10.3 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 143 days
Number of rainy days: 202 days
Number of snow days: 20 days
Look at detailed online map of Helvetia
* Weather data for Helvetia 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) | 14.6 | 17.4 | 16.5 | 27.1 | 29.7 | 31.9 | 30.4 | 32.0 | 30.6 | 26.0 | 15.6 | 13.9 |
| Average daytime temperature (°C) | 4.8 | 8.0 | 7.0 | 16.5 | 20.2 | 23.4 | 26.9 | 25.1 | 21.9 | 15.8 | 8.7 | 6.3 |
| Average temperature (°C) | 1.3 | 1.6 | 1.9 | 9.9 | 13.7 | 17.8 | 21.5 | 19.8 | 16.8 | 11.6 | 4.1 | 3.0 |
| Average night temperature (°C) | -1.3 | -2.9 | -2.2 | 4.4 | 7.4 | 12.7 | 16.8 | 15.6 | 12.5 | 8.0 | 0.5 | 0.5 |
| Absolute minimum temperature (°C) | -7.4 | -14.2 | -9.5 | -4.4 | 0.8 | 7.3 | 12.4 | 10.6 | 7.5 | 0.3 | -8.1 | -5.8 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 2.6 | 6.4 | 6.0 | 8.1 | 10.6 | 10.6 | 11.4 | 10.4 | 8.6 | 5.9 | 6.7 | 3.2 |
| Precipitation (mm) | 104 | 70 | 103 | 85 | 49 | 120 | 103 | 127 | 44 | 89 | 56 | 85 |
| Sunny days | 5 | 11 | 8 | 14 | 21 | 10 | 5 | 8 | 17 | 16 | 17 | 11 |
| Rainy days | 17 | 15 | 18 | 16 | 10 | 20 | 26 | 23 | 13 | 15 | 12 | 17 |
| Snow days | 9 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Helvetia during the most sunny months:
The largest precipitation sum in Helvetia is at