Average annual temperature is 11.5 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 158 days
Number of rainy days: 197 days
Number of snow days: 10 days
Look at detailed online map of Tristates
* Weather data for Tristates 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) | 17.8 | 15.8 | 16.4 | 31.5 | 30.3 | 34.2 | 32.5 | 30.4 | 32.7 | 27.4 | 19.1 | 15.1 |
| Average daytime temperature (°C) | 6.9 | 7.0 | 9.3 | 18.0 | 21.8 | 25.1 | 28.8 | 26.4 | 22.9 | 18.6 | 9.9 | 7.8 |
| Average temperature (°C) | 3.0 | 1.5 | 3.4 | 11.2 | 14.7 | 19.2 | 23.1 | 21.1 | 18.0 | 13.2 | 4.7 | 3.6 |
| Average night temperature (°C) | -0.3 | -2.9 | -1.1 | 5.9 | 7.9 | 13.9 | 18.3 | 16.5 | 14.0 | 9.1 | 0.6 | 0.6 |
| Absolute minimum temperature (°C) | -5.0 | -20.4 | -6.5 | -2.8 | 2.7 | 9.1 | 13.1 | 11.5 | 7.1 | 3.2 | -5.6 | -7.0 |
| 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 | 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) | 4.7 | 6.2 | 7.3 | 8.5 | 12.1 | 10.8 | 11.7 | 9.9 | 8.1 | 7.7 | 7.6 | 4.4 |
| Precipitation (mm) | 117 | 44 | 94 | 131 | 50 | 92 | 126 | 102 | 166 | 87 | 69 | 194 |
| Sunny days | 14 | 14 | 10 | 12 | 22 | 9 | 7 | 9 | 12 | 17 | 16 | 16 |
| Rainy days | 15 | 11 | 19 | 18 | 9 | 21 | 24 | 22 | 18 | 14 | 13 | 13 |
| Snow days | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Tristates during the most sunny months:
The largest precipitation sum in Tristates is at