Average annual temperature is 11.1 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 155 days
Number of rainy days: 204 days
Number of snow days: 6 days
Look at detailed online map of Ulster County
* Weather data for Ulster County 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) | 14.1 | 15.8 | 16.6 | 31.9 | 29.8 | 32.6 | 32.1 | 30.7 | 32.9 | 27.1 | 19.2 | 14.9 |
| Average daytime temperature (°C) | 6.1 | 6.7 | 8.5 | 17.7 | 21.6 | 24.8 | 28.4 | 26.1 | 22.9 | 18.4 | 9.5 | 7.8 |
| Average temperature (°C) | 2.2 | 1.0 | 2.9 | 10.7 | 14.7 | 18.8 | 22.7 | 20.7 | 17.9 | 13.1 | 4.2 | 3.3 |
| Average night temperature (°C) | -1.1 | -3.6 | -1.7 | 5.2 | 8.0 | 13.8 | 18.1 | 16.3 | 13.8 | 9.1 | 0.2 | 0.2 |
| Absolute minimum temperature (°C) | -6.1 | -19.9 | -9.9 | -3.0 | 2.4 | 8.4 | 13.0 | 11.0 | 7.5 | 1.8 | -4.7 | -7.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.5 | 6.3 | 7.2 | 8.5 | 12.2 | 10.7 | 11.6 | 10.0 | 8.1 | 7.4 | 7.3 | 4.9 |
| Precipitation (mm) | 119 | 59 | 118 | 146 | 53 | 107 | 168 | 171 | 187 | 162 | 70 | 207 |
| Sunny days | 13 | 16 | 12 | 14 | 20 | 7 | 2 | 9 | 11 | 16 | 18 | 17 |
| Rainy days | 17 | 9 | 19 | 16 | 11 | 23 | 29 | 22 | 19 | 15 | 12 | 12 |
| Snow days | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Ulster County during the most sunny months:
The largest precipitation sum in Ulster County is at