Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 165 days
Number of rainy days: 193 days
Number of snow days: 7 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) | 17.5 | 20.8 | 21.6 | 25.9 | 24.9 | 28.5 | 32.3 | 31.4 | 31.6 | 26.4 | 20.8 | 14.8 |
| Average daytime temperature (°C) | 7.4 | 11.2 | 11.1 | 18.4 | 20.0 | 23.3 | 28.4 | 27.3 | 23.6 | 18.3 | 11.5 | 8.8 |
| Average temperature (°C) | 2.7 | 5.0 | 4.8 | 11.1 | 14.0 | 17.3 | 21.8 | 20.9 | 17.1 | 12.0 | 4.9 | 3.1 |
| Average night temperature (°C) | -0.6 | 0.4 | -0.1 | 4.7 | 8.7 | 11.6 | 16.0 | 15.8 | 11.9 | 6.8 | -0.2 | -0.9 |
| Absolute minimum temperature (°C) | -7.7 | -11.0 | -10.9 | -2.9 | -1.0 | 5.7 | 11.7 | 9.3 | 6.0 | -0.5 | -7.9 | -6.7 |
| 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) | 4.4 | 6.6 | 7.3 | 9.5 | 9.6 | 10.3 | 12.2 | 10.4 | 9.3 | 8.0 | 7.4 | 5.6 |
| Precipitation (mm) | 54 | 109 | 83 | 93 | 53 | 68 | 59 | 63 | 113 | 26 | 50 | 93 |
| Sunny days | 13 | 13 | 13 | 15 | 14 | 12 | 6 | 12 | 13 | 15 | 22 | 17 |
| Rainy days | 18 | 14 | 15 | 15 | 17 | 18 | 25 | 19 | 17 | 16 | 7 | 12 |
| Snow days | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Hillsboro during the most sunny months:
The largest precipitation sum in Hillsboro is at