Average annual temperature is 18.4 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 193 days
Number of rainy days: 172 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) | 22.4 | 27.5 | 30.0 | 30.3 | 33.8 | 33.5 | 37.0 | 38.1 | 33.7 | 28.9 | 26.8 | 22.8 |
| Average daytime temperature (°C) | 15.8 | 19.2 | 20.7 | 24.7 | 26.2 | 30.2 | 33.9 | 33.1 | 28.4 | 23.7 | 18.0 | 15.6 |
| Average temperature (°C) | 10.6 | 13.4 | 14.6 | 18.4 | 20.6 | 24.4 | 28.1 | 27.5 | 23.0 | 18.1 | 12.3 | 9.9 |
| Average night temperature (°C) | 6.3 | 9.3 | 9.4 | 12.9 | 15.5 | 19.4 | 23.7 | 22.9 | 18.2 | 13.3 | 7.6 | 5.6 |
| Absolute minimum temperature (°C) | -2.3 | -2.0 | -0.4 | 4.1 | 7.5 | 14.9 | 20.4 | 20.2 | 13.3 | 6.4 | -1.5 | -2.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 7.3 | 8.4 | 9.9 | 9.8 | 11.0 | 11.5 | 11.0 | 10.0 | 8.6 | 7.8 | 6.6 |
| Precipitation (mm) | 128 | 108 | 84 | 136 | 141 | 153 | 108 | 187 | 43 | 46 | 56 | 146 |
| Sunny days | 16 | 14 | 16 | 15 | 17 | 14 | 6 | 10 | 19 | 24 | 20 | 22 |
| Rainy days | 15 | 14 | 15 | 15 | 14 | 16 | 25 | 21 | 11 | 7 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Hillside during the most sunny months:
The largest precipitation sum in Hillside is at