Average annual temperature is 12.7 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 178 days
Number of rainy days: 184 days
Number of snow days: 3 days
Look at detailed online map of Westchester
* Weather data for Westchester 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) | 15.4 | 20.7 | 23.1 | 29.4 | 28.0 | 33.3 | 35.3 | 32.2 | 34.7 | 27.1 | 21.5 | 15.6 |
| Average daytime temperature (°C) | 7.6 | 9.9 | 10.8 | 20.1 | 21.9 | 26.2 | 30.8 | 28.8 | 24.8 | 19.1 | 11.4 | 8.3 |
| Average temperature (°C) | 3.7 | 4.2 | 5.0 | 13.1 | 15.4 | 19.9 | 24.3 | 22.9 | 19.3 | 13.6 | 5.9 | 4.1 |
| Average night temperature (°C) | 0.8 | -0.1 | 0.3 | 7.4 | 9.5 | 14.5 | 19.4 | 18.0 | 14.9 | 9.4 | 1.6 | 0.9 |
| Absolute minimum temperature (°C) | -4.3 | -11.7 | -7.2 | 0.6 | 4.0 | 10.8 | 16.5 | 13.2 | 9.7 | 2.3 | -7.0 | -5.0 |
| 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) | 9.7 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.9 | 7.0 | 7.5 | 9.5 | 10.5 | 10.9 | 11.9 | 11.0 | 8.8 | 8.2 | 7.7 | 5.1 |
| Precipitation (mm) | 62 | 58 | 85 | 135 | 33 | 150 | 103 | 53 | 101 | 41 | 67 | 117 |
| Sunny days | 12 | 16 | 12 | 16 | 15 | 12 | 5 | 12 | 16 | 18 | 24 | 20 |
| Rainy days | 18 | 10 | 19 | 14 | 16 | 18 | 26 | 19 | 14 | 13 | 6 | 11 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Westchester during the most sunny months:
The largest precipitation sum in Westchester is at