Average annual temperature is 8.3 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -26.4 °C
Number of sunny days: 220 days
Number of rainy days: 89 days
Number of snow days: 56 days
Look at detailed online map of Hillsboro
* Weather data for Hillsboro 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) | 5.9 | 6.3 | 9.4 | 24.3 | 29.7 | 26.1 | 35.1 | 34.9 | 31.4 | 21.3 | 13.7 | 9.6 |
| Average daytime temperature (°C) | -0.1 | -0.1 | 2.9 | 12.3 | 22.4 | 21.9 | 28.8 | 28.6 | 23.2 | 12.5 | 7.3 | 4.5 |
| Average temperature (°C) | -3.7 | -5.0 | -2.4 | 5.3 | 15.7 | 16.9 | 21.7 | 21.8 | 17.2 | 7.3 | 3.0 | 0.5 |
| Average night temperature (°C) | -7.5 | -9.6 | -6.9 | -0.2 | 10.0 | 12.1 | 14.5 | 16.0 | 11.8 | 3.0 | -0.6 | -2.4 |
| Absolute minimum temperature (°C) | -25.9 | -26.4 | -14.4 | -9.8 | 4.6 | 8.0 | 7.2 | 10.0 | 5.6 | -11.3 | -9.7 | -11.3 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.8 |
| 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) | 6.3 | 7.2 | 8.4 | 10.2 | 12.2 | 11.0 | 13.3 | 11.4 | 10.8 | 7.8 | 7.1 | 6.8 |
| Precipitation (mm) | 36 | 46 | 40 | 35 | 40 | 113 | 7 | 19 | 29 | 88 | 10 | 10 |
| Sunny days | 18 | 16 | 15 | 17 | 12 | 12 | 24 | 21 | 22 | 17 | 23 | 23 |
| Rainy days | 0 | 0 | 2 | 5 | 19 | 18 | 7 | 10 | 8 | 12 | 5 | 3 |
| Snow days | 13 | 12 | 14 | 8 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 5 |
The best time to visit Hillsboro during the most sunny months:
Months with the longest average daylight duration in Hillsboro:
The largest precipitation sum in Hillsboro is at