Average annual temperature is 7.7 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -28.3 °C
Number of sunny days: 204 days
Number of rainy days: 127 days
Number of snow days: 34 days
Look at detailed online map of Township of Stony Brook
* Weather data for Township of Stony 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) | 1.1 | 4.1 | 3.1 | 24.4 | 33.0 | 32.9 | 35.3 | 34.3 | 35.6 | 31.4 | 15.4 | 9.9 |
| Average daytime temperature (°C) | -5.2 | -3.4 | -1.2 | 8.4 | 23.3 | 28.4 | 27.2 | 27.7 | 24.8 | 14.2 | 6.6 | 3.3 |
| Average temperature (°C) | -8.9 | -9.1 | -6.0 | 2.9 | 16.7 | 22.9 | 21.4 | 22.0 | 19.4 | 9.6 | 1.4 | -0.5 |
| Average night temperature (°C) | -11.9 | -13.9 | -10.0 | -1.5 | 10.5 | 17.4 | 15.9 | 17.1 | 14.8 | 5.7 | -2.5 | -3.3 |
| Absolute minimum temperature (°C) | -26.8 | -28.3 | -20.2 | -9.3 | 0.8 | 10.9 | 9.5 | 13.7 | 8.3 | -6.8 | -12.6 | -11.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 15.0 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 7.5 | 7.1 | 8.0 | 11.6 | 13.1 | 12.9 | 11.6 | 10.2 | 7.3 | 6.4 | 3.7 |
| Precipitation (mm) | 18 | 26 | 43 | 74 | 49 | 63 | 44 | 86 | 52 | 74 | 12 | 79 |
| Sunny days | 21 | 19 | 15 | 13 | 19 | 15 | 14 | 16 | 15 | 15 | 22 | 20 |
| Rainy days | 4 | 3 | 4 | 13 | 12 | 15 | 17 | 15 | 15 | 14 | 7 | 8 |
| Snow days | 6 | 6 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 |
The best time to visit Township of Stony Brook during the most sunny months:
Months with the longest average daylight duration in Township of Stony Brook:
The largest precipitation sum in Township of Stony Brook is at