Average annual temperature is 16.2 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -5.9 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Hillsboro Valley
* Weather data for Hillsboro Valley 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) | 20.4 | 25.9 | 24.5 | 28.1 | 31.0 | 34.7 | 35.7 | 37.1 | 32.2 | 29.6 | 26.7 | 19.0 |
| Average daytime temperature (°C) | 12.4 | 15.6 | 16.3 | 21.1 | 26.2 | 30.3 | 31.7 | 30.6 | 27.7 | 22.9 | 16.9 | 12.9 |
| Average temperature (°C) | 7.8 | 9.6 | 10.5 | 15.0 | 19.9 | 23.5 | 25.6 | 25.1 | 21.9 | 17.1 | 10.8 | 7.6 |
| Average night temperature (°C) | 4.2 | 5.5 | 5.8 | 9.9 | 14.8 | 17.8 | 21.0 | 20.7 | 16.9 | 12.6 | 6.1 | 3.7 |
| Absolute minimum temperature (°C) | -3.8 | -5.1 | -5.9 | 3.1 | 7.4 | 11.7 | 15.6 | 15.2 | 12.2 | -0.6 | -3.7 | -5.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.9 | 6.1 | 8.1 | 8.8 | 11.0 | 12.0 | 11.1 | 9.8 | 10.5 | 7.8 | 7.7 | 6.7 |
| Precipitation (mm) | 161 | 116 | 124 | 81 | 130 | 142 | 229 | 242 | 168 | 30 | 66 | 90 |
| Sunny days | 12 | 11 | 17 | 13 | 11 | 13 | 4 | 12 | 14 | 21 | 22 | 17 |
| Rainy days | 19 | 17 | 14 | 17 | 20 | 17 | 27 | 19 | 16 | 10 | 8 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Hillsboro Valley during the most sunny months:
The largest precipitation sum in Hillsboro Valley is at