Average annual temperature is 9.4 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -29.0 °C
Number of sunny days: 191 days
Number of rainy days: 141 days
Number of snow days: 33 days
Look at detailed online map of Johnsburg
* Weather data for Johnsburg 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) | 4.1 | 8.5 | 15.5 | 26.5 | 30.9 | 31.3 | 32.8 | 37.8 | 33.7 | 29.9 | 17.9 | 11.6 |
| Average daytime temperature (°C) | -2.7 | 0.7 | 5.0 | 14.0 | 23.3 | 27.8 | 27.0 | 28.0 | 25.1 | 15.6 | 8.5 | 4.7 |
| Average temperature (°C) | -6.5 | -5.1 | -0.4 | 7.8 | 16.7 | 22.1 | 21.5 | 22.4 | 19.3 | 11.0 | 3.2 | 0.5 |
| Average night temperature (°C) | -9.6 | -9.5 | -4.5 | 3.0 | 10.6 | 16.3 | 16.1 | 17.5 | 14.7 | 7.2 | -0.7 | -2.2 |
| Absolute minimum temperature (°C) | -29.0 | -27.3 | -15.0 | -5.4 | 1.1 | 8.2 | 10.6 | 11.5 | 7.2 | -6.0 | -14.4 | -8.5 |
| 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 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 3.7 | 6.7 | 7.0 | 8.5 | 11.9 | 12.5 | 12.5 | 11.8 | 9.6 | 7.2 | 6.7 | 4.5 |
| Precipitation (mm) | 50 | 51 | 75 | 69 | 76 | 58 | 67 | 63 | 67 | 81 | 6 | 36 |
| Sunny days | 19 | 17 | 14 | 14 | 20 | 15 | 11 | 14 | 13 | 14 | 22 | 18 |
| Rainy days | 7 | 5 | 7 | 13 | 11 | 15 | 20 | 17 | 17 | 14 | 6 | 9 |
| Snow days | 5 | 6 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 4 |
The best time to visit Johnsburg during the most sunny months:
Months with the longest average daylight duration in Johnsburg:
The largest precipitation sum in Johnsburg is at