Average annual temperature is 14.8 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of Forest Brook Hills
* Weather data for Forest Brook Hills 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) | 18.8 | 25.0 | 27.4 | 30.4 | 29.8 | 31.5 | 36.9 | 35.6 | 34.7 | 28.8 | 27.1 | 20.4 |
| Average daytime temperature (°C) | 11.2 | 14.3 | 15.8 | 22.6 | 23.7 | 27.8 | 32.7 | 31.1 | 27.1 | 22.1 | 14.7 | 11.5 |
| Average temperature (°C) | 5.9 | 8.3 | 8.9 | 15.0 | 17.3 | 21.1 | 26.0 | 24.5 | 20.8 | 15.3 | 8.0 | 5.6 |
| Average night temperature (°C) | 2.0 | 3.3 | 3.6 | 8.2 | 11.9 | 15.2 | 20.0 | 19.1 | 15.6 | 9.8 | 2.5 | 1.2 |
| Absolute minimum temperature (°C) | -3.7 | -7.1 | -4.8 | 0.8 | 4.8 | 10.2 | 17.0 | 14.7 | 10.8 | 3.9 | -5.5 | -4.9 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 5.8 | 6.8 | 8.2 | 9.6 | 10.3 | 10.6 | 12.3 | 10.5 | 9.6 | 9.1 | 8.3 | 6.4 |
| Precipitation (mm) | 76 | 82 | 59 | 117 | 65 | 80 | 51 | 37 | 55 | 28 | 55 | 127 |
| Sunny days | 15 | 15 | 17 | 19 | 14 | 14 | 12 | 16 | 16 | 23 | 25 | 21 |
| Rainy days | 16 | 13 | 14 | 11 | 17 | 16 | 19 | 15 | 14 | 8 | 5 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Forest Brook Hills during the most sunny months:
The largest precipitation sum in Forest Brook Hills is at