Average annual temperature is 10.4 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -18.7 °C
Number of sunny days: 148 days
Number of rainy days: 197 days
Number of snow days: 20 days
Look at detailed online map of Long Brook
* Weather data for Long Brook 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) | 14.6 | 16.2 | 13.9 | 27.8 | 29.7 | 31.3 | 32.1 | 28.7 | 31.4 | 26.3 | 16.9 | 11.6 |
| Average daytime temperature (°C) | 4.9 | 6.6 | 7.2 | 16.6 | 20.1 | 23.4 | 27.4 | 24.6 | 22.4 | 16.3 | 7.9 | 6.0 |
| Average temperature (°C) | 1.7 | 0.9 | 2.1 | 10.5 | 13.3 | 18.1 | 22.2 | 19.8 | 17.3 | 12.0 | 3.5 | 2.6 |
| Average night temperature (°C) | -1.0 | -3.5 | -1.9 | 5.3 | 7.2 | 13.3 | 17.6 | 15.8 | 13.4 | 8.5 | 0.0 | -0.1 |
| Absolute minimum temperature (°C) | -7.3 | -18.7 | -8.0 | -2.9 | 0.1 | 7.6 | 13.8 | 10.6 | 8.0 | -0.7 | -6.7 | -5.4 |
| 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 | 9.2 |
| 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) | 3.6 | 6.4 | 6.8 | 8.6 | 11.7 | 11.1 | 11.5 | 10.1 | 8.9 | 7.3 | 6.9 | 3.3 |
| Precipitation (mm) | 104 | 44 | 101 | 120 | 39 | 114 | 98 | 199 | 89 | 91 | 49 | 115 |
| Sunny days | 8 | 12 | 11 | 14 | 20 | 9 | 10 | 9 | 14 | 14 | 17 | 10 |
| Rainy days | 18 | 12 | 15 | 16 | 11 | 21 | 21 | 22 | 16 | 17 | 10 | 18 |
| Snow days | 5 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Long Brook during the most sunny months:
The largest precipitation sum in Long Brook is at