Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 161 days
Number of rainy days: 196 days
Number of snow days: 8 days
Look at detailed online map of Brook Valley
* Weather data for Brook 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) | 17.2 | 18.1 | 14.6 | 30.9 | 28.1 | 33.8 | 32.3 | 29.8 | 33.5 | 26.9 | 18.6 | 15.2 |
| Average daytime temperature (°C) | 7.2 | 7.2 | 8.9 | 17.6 | 21.1 | 25.1 | 28.5 | 26.1 | 23.0 | 18.2 | 9.9 | 7.8 |
| Average temperature (°C) | 3.5 | 2.0 | 3.8 | 11.5 | 14.8 | 19.1 | 23.2 | 21.3 | 18.4 | 13.4 | 5.1 | 3.7 |
| Average night temperature (°C) | 0.3 | -2.2 | -0.4 | 6.5 | 9.0 | 14.3 | 19.0 | 17.3 | 14.8 | 9.6 | 1.1 | 0.5 |
| Absolute minimum temperature (°C) | -4.6 | -18.6 | -5.0 | -2.3 | 3.8 | 9.0 | 15.7 | 14.2 | 8.7 | 3.8 | -5.3 | -6.2 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.8 | 6.3 | 7.5 | 9.0 | 12.0 | 10.7 | 11.7 | 9.8 | 7.9 | 7.6 | 7.5 | 4.8 |
| Precipitation (mm) | 143 | 50 | 109 | 139 | 38 | 93 | 141 | 117 | 188 | 94 | 89 | 242 |
| Sunny days | 9 | 17 | 13 | 14 | 20 | 9 | 6 | 12 | 10 | 19 | 18 | 14 |
| Rainy days | 21 | 9 | 16 | 16 | 11 | 21 | 25 | 19 | 20 | 12 | 11 | 15 |
| Snow days | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Brook Valley during the most sunny months:
The largest precipitation sum in Brook Valley is at