Average annual temperature is 14.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 174 days
Number of rainy days: 189 days
Number of snow days: 2 days
Look at detailed online map of Sleepy Hollow Township
* Weather data for Sleepy Hollow Township 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) | 20.9 | 24.4 | 24.8 | 29.3 | 28.3 | 32.2 | 34.8 | 33.5 | 34.1 | 28.8 | 25.7 | 19.5 |
| Average daytime temperature (°C) | 11.0 | 14.2 | 14.1 | 20.8 | 23.2 | 27.1 | 31.0 | 29.2 | 26.1 | 20.7 | 14.5 | 11.5 |
| Average temperature (°C) | 5.6 | 7.4 | 7.6 | 13.6 | 16.9 | 20.9 | 24.7 | 23.3 | 20.3 | 15.0 | 8.0 | 6.1 |
| Average night temperature (°C) | 2.1 | 2.6 | 2.5 | 7.6 | 11.4 | 15.3 | 19.5 | 18.5 | 15.4 | 10.5 | 3.4 | 2.3 |
| Absolute minimum temperature (°C) | -6.6 | -7.8 | -7.6 | 1.1 | 4.1 | 10.3 | 15.7 | 13.2 | 11.2 | 2.3 | -6.5 | -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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.7 | 7.0 | 7.7 | 9.5 | 9.9 | 11.5 | 11.8 | 10.3 | 9.5 | 7.6 | 7.4 | 5.3 |
| Precipitation (mm) | 99 | 94 | 111 | 44 | 90 | 47 | 73 | 73 | 59 | 46 | 50 | 113 |
| Sunny days | 11 | 14 | 18 | 20 | 15 | 13 | 7 | 9 | 16 | 14 | 21 | 16 |
| Rainy days | 19 | 13 | 13 | 10 | 16 | 17 | 24 | 22 | 14 | 17 | 9 | 15 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sleepy Hollow Township during the most sunny months:
The largest precipitation sum in Sleepy Hollow Township is at