Average annual temperature is 11.5 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -24.0 °C
Number of sunny days: 194 days
Number of rainy days: 155 days
Number of snow days: 16 days
Look at detailed online map of Unionville
* Weather data for Unionville 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) | 10.1 | 11.9 | 21.5 | 25.5 | 31.9 | 35.7 | 34.8 | 37.4 | 34.2 | 28.9 | 18.9 | 14.0 |
| Average daytime temperature (°C) | 2.2 | 4.9 | 8.2 | 17.0 | 24.1 | 29.2 | 29.0 | 29.1 | 25.6 | 17.3 | 9.8 | 6.6 |
| Average temperature (°C) | -1.8 | -0.9 | 2.7 | 9.9 | 17.5 | 22.6 | 23.3 | 23.3 | 20.0 | 12.6 | 4.7 | 2.7 |
| Average night temperature (°C) | -4.8 | -5.3 | -1.3 | 4.2 | 11.1 | 16.1 | 17.9 | 18.3 | 15.5 | 8.7 | 0.5 | 0.0 |
| Absolute minimum temperature (°C) | -24.0 | -20.9 | -12.2 | -2.4 | 2.2 | 8.2 | 14.2 | 11.4 | 9.7 | -2.2 | -11.9 | -8.0 |
| 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 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 3.8 | 7.2 | 6.7 | 9.2 | 11.2 | 12.6 | 12.3 | 11.2 | 9.4 | 7.4 | 7.0 | 4.2 |
| Precipitation (mm) | 88 | 87 | 91 | 70 | 35 | 38 | 114 | 29 | 63 | 115 | 26 | 66 |
| Sunny days | 13 | 16 | 15 | 15 | 23 | 18 | 13 | 15 | 12 | 14 | 23 | 17 |
| Rainy days | 11 | 9 | 14 | 15 | 8 | 12 | 18 | 16 | 18 | 16 | 5 | 13 |
| Snow days | 7 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Unionville during the most sunny months:
The largest precipitation sum in Unionville is at