Average annual temperature is 10.1 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -25.8 °C
Number of sunny days: 188 days
Number of rainy days: 156 days
Number of snow days: 21 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) | 9.5 | 10.1 | 18.6 | 25.0 | 31.4 | 32.1 | 32.1 | 36.1 | 33.1 | 26.9 | 18.1 | 12.7 |
| Average daytime temperature (°C) | 1.3 | 3.1 | 6.1 | 14.8 | 22.0 | 27.2 | 28.1 | 27.1 | 23.7 | 15.4 | 8.0 | 5.2 |
| Average temperature (°C) | -2.4 | -2.1 | 1.0 | 8.6 | 15.2 | 20.6 | 22.6 | 21.6 | 18.7 | 11.4 | 3.5 | 1.8 |
| Average night temperature (°C) | -4.9 | -5.9 | -2.9 | 3.3 | 9.5 | 14.9 | 17.5 | 17.1 | 14.9 | 7.8 | -0.1 | -0.6 |
| Absolute minimum temperature (°C) | -25.8 | -23.3 | -12.7 | -2.7 | 0.1 | 6.7 | 12.9 | 9.7 | 8.2 | -3.3 | -12.4 | -8.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.5 | 7.1 | 6.4 | 8.5 | 10.8 | 12.0 | 12.3 | 11.2 | 8.3 | 7.0 | 6.7 | 3.9 |
| Precipitation (mm) | 63 | 89 | 97 | 115 | 52 | 42 | 117 | 106 | 108 | 103 | 48 | 68 |
| Sunny days | 12 | 16 | 13 | 13 | 21 | 19 | 14 | 17 | 14 | 12 | 21 | 16 |
| Rainy days | 9 | 10 | 14 | 16 | 10 | 11 | 17 | 14 | 16 | 17 | 9 | 13 |
| Snow days | 10 | 2 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 |
The best time to visit Town of Johnstown during the most sunny months:
Months with the longest average daylight duration in Town of Johnstown:
The largest precipitation sum in Town of Johnstown is at