Average annual temperature is 14.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 191 days
Number of rainy days: 172 days
Number of snow days: 2 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) | 17.8 | 22.7 | 24.7 | 28.7 | 30.8 | 34.2 | 35.2 | 36.5 | 33.0 | 29.9 | 25.8 | 18.2 |
| Average daytime temperature (°C) | 9.3 | 13.0 | 14.1 | 20.7 | 25.4 | 29.1 | 30.8 | 29.7 | 28.0 | 21.2 | 14.7 | 10.6 |
| Average temperature (°C) | 5.1 | 6.8 | 8.0 | 13.6 | 19.1 | 22.9 | 25.5 | 24.4 | 21.8 | 15.7 | 8.9 | 5.7 |
| Average night temperature (°C) | 2.0 | 2.4 | 3.2 | 7.8 | 13.3 | 17.2 | 20.9 | 19.8 | 16.7 | 11.5 | 4.6 | 2.4 |
| Absolute minimum temperature (°C) | -5.4 | -8.3 | -6.3 | 0.5 | 4.9 | 11.9 | 17.1 | 14.5 | 12.1 | -1.3 | -5.1 | -6.1 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 4.5 | 7.5 | 7.6 | 9.7 | 10.9 | 11.6 | 11.5 | 10.7 | 10.7 | 7.8 | 7.9 | 5.7 |
| Precipitation (mm) | 131 | 58 | 182 | 98 | 50 | 63 | 81 | 123 | 16 | 84 | 23 | 57 |
| Sunny days | 12 | 17 | 13 | 16 | 18 | 17 | 10 | 13 | 18 | 19 | 24 | 14 |
| Rainy days | 18 | 11 | 17 | 14 | 13 | 13 | 21 | 18 | 12 | 12 | 6 | 17 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Johnsburg during the most sunny months:
The largest precipitation sum in Johnsburg is at