Average annual temperature is 9.1 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -28.5 °C
Number of sunny days: 158 days
Number of rainy days: 181 days
Number of snow days: 26 days
Look at detailed online map of Hillside
* Weather data for Hillside 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) | 10.0 | 13.1 | 10.6 | 24.5 | 27.4 | 28.8 | 30.3 | 27.8 | 31.7 | 27.9 | 16.2 | 13.2 |
| Average daytime temperature (°C) | 3.4 | 2.0 | 5.4 | 11.5 | 18.2 | 19.8 | 26.0 | 23.8 | 23.0 | 17.3 | 7.2 | 5.2 |
| Average temperature (°C) | -0.5 | -3.5 | 1.1 | 7.0 | 12.7 | 15.6 | 21.6 | 19.4 | 17.8 | 12.5 | 2.8 | 1.1 |
| Average night temperature (°C) | -4.1 | -8.2 | -2.9 | 3.1 | 7.8 | 12.2 | 18.1 | 15.6 | 14.0 | 8.8 | -0.7 | -2.0 |
| Absolute minimum temperature (°C) | -10.6 | -28.5 | -8.4 | -4.5 | 1.7 | 6.9 | 13.4 | 11.5 | 6.9 | 0.4 | -6.3 | -9.7 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 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) | 4.3 | 6.8 | 7.5 | 7.7 | 11.5 | 8.0 | 9.7 | 9.9 | 8.7 | 6.7 | 6.8 | 4.6 |
| Precipitation (mm) | 179 | 40 | 87 | 106 | 133 | 171 | 213 | 143 | 105 | 98 | 69 | 157 |
| Sunny days | 10 | 14 | 16 | 12 | 20 | 7 | 5 | 7 | 17 | 15 | 20 | 15 |
| Rainy days | 12 | 5 | 9 | 18 | 11 | 23 | 26 | 24 | 13 | 16 | 9 | 15 |
| Snow days | 9 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Hillside during the most sunny months:
Months with the longest average daylight duration in Hillside:
The largest precipitation sum in Hillside is at