Average annual temperature is 9.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -25.6 °C
Number of sunny days: 214 days
Number of rainy days: 119 days
Number of snow days: 32 days
Look at detailed online map of Town of Johnstown
* Weather data for Town of Johnstown 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) | 13.6 | 14.6 | 19.8 | 28.9 | 26.4 | 32.5 | 35.1 | 35.5 | 34.1 | 30.4 | 22.1 | 15.2 |
| Average daytime temperature (°C) | 1.1 | 6.4 | 10.2 | 17.9 | 22.3 | 24.3 | 29.8 | 29.4 | 26.4 | 18.9 | 12.3 | 8.8 |
| Average temperature (°C) | -5.1 | -3.0 | 1.4 | 7.8 | 14.4 | 17.2 | 21.6 | 20.9 | 17.6 | 10.2 | 3.1 | 0.6 |
| Average night temperature (°C) | -9.8 | -9.6 | -4.8 | -0.3 | 7.8 | 11.3 | 14.1 | 13.9 | 9.8 | 3.3 | -3.1 | -4.3 |
| Absolute minimum temperature (°C) | -24.6 | -25.6 | -10.1 | -8.4 | 3.3 | 7.6 | 9.8 | 10.6 | 4.9 | -12.3 | -12.7 | -9.2 |
| 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) | 9.7 | 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) | 6.1 | 8.7 | 9.1 | 10.5 | 10.3 | 11.2 | 12.6 | 11.4 | 10.8 | 9.2 | 7.7 | 7.1 |
| Precipitation (mm) | 32 | 16 | 31 | 31 | 138 | 127 | 50 | 74 | 22 | 20 | 8 | 4 |
| Sunny days | 16 | 21 | 14 | 19 | 9 | 7 | 13 | 18 | 22 | 24 | 25 | 26 |
| Rainy days | 3 | 2 | 9 | 10 | 22 | 23 | 18 | 13 | 8 | 5 | 4 | 2 |
| Snow days | 12 | 5 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 |
The best time to visit Town of Johnstown during the most sunny months:
The largest precipitation sum in Town of Johnstown is at