Average annual temperature is 9.2 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -28.0 °C
Number of sunny days: 126 days
Number of rainy days: 205 days
Number of snow days: 34 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) | 8.4 | 15.1 | 10.1 | 27.5 | 30.6 | 33.2 | 30.2 | 26.1 | 30.8 | 27.5 | 16.7 | 9.1 |
| Average daytime temperature (°C) | 2.8 | 3.3 | 4.7 | 15.4 | 20.6 | 23.0 | 26.4 | 23.5 | 21.6 | 16.7 | 6.9 | 4.4 |
| Average temperature (°C) | -0.7 | -2.6 | -0.1 | 8.8 | 13.6 | 17.8 | 21.4 | 18.8 | 17.0 | 11.9 | 2.2 | 1.2 |
| Average night temperature (°C) | -3.9 | -7.4 | -4.6 | 3.8 | 7.4 | 13.4 | 17.3 | 15.1 | 13.2 | 8.1 | -1.3 | -1.4 |
| Absolute minimum temperature (°C) | -9.8 | -28.0 | -12.3 | -4.9 | 1.2 | 5.4 | 12.5 | 10.6 | 8.0 | -1.0 | -6.9 | -7.8 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 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 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 5.9 | 6.3 | 8.0 | 11.5 | 9.9 | 11.0 | 9.5 | 8.1 | 6.4 | 6.1 | 3.1 |
| Precipitation (mm) | 99 | 66 | 124 | 97 | 52 | 155 | 267 | 174 | 78 | 72 | 68 | 143 |
| Sunny days | 7 | 10 | 10 | 12 | 18 | 6 | 6 | 5 | 14 | 13 | 14 | 11 |
| Rainy days | 15 | 8 | 16 | 18 | 13 | 24 | 25 | 26 | 16 | 18 | 12 | 14 |
| Snow days | 9 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 |
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