Average annual temperature is 8.5 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -27.7 °C
Number of sunny days: 195 days
Number of rainy days: 142 days
Number of snow days: 28 days
Look at detailed online map of Saint Croix County
* Weather data for Saint Croix 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) | 3.2 | 5.2 | 7.1 | 26.4 | 30.7 | 32.1 | 31.5 | 35.0 | 34.3 | 29.4 | 17.3 | 11.9 |
| Average daytime temperature (°C) | -3.4 | -1.2 | 2.5 | 11.2 | 22.1 | 28.2 | 27.0 | 27.2 | 24.2 | 14.4 | 6.6 | 3.9 |
| Average temperature (°C) | -6.9 | -6.8 | -2.5 | 5.6 | 15.8 | 21.9 | 21.2 | 21.5 | 18.9 | 10.1 | 2.0 | 0.2 |
| Average night temperature (°C) | -10.1 | -11.6 | -6.9 | 1.3 | 10.3 | 16.1 | 15.9 | 16.7 | 14.7 | 6.5 | -1.7 | -2.5 |
| Absolute minimum temperature (°C) | -24.4 | -27.7 | -15.5 | -7.5 | -1.0 | 9.0 | 12.0 | 10.7 | 5.8 | -5.7 | -14.1 | -10.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 6.9 | 7.1 | 7.6 | 11.1 | 12.6 | 12.2 | 11.2 | 8.9 | 7.3 | 6.0 | 4.6 |
| Precipitation (mm) | 51 | 68 | 59 | 140 | 76 | 69 | 125 | 79 | 120 | 80 | 11 | 52 |
| Sunny days | 20 | 17 | 16 | 12 | 15 | 16 | 10 | 21 | 12 | 14 | 23 | 19 |
| Rainy days | 5 | 6 | 5 | 17 | 16 | 14 | 21 | 10 | 18 | 14 | 6 | 10 |
| Snow days | 6 | 5 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 |
The best time to visit Saint Croix County during the most sunny months:
Months with the longest average daylight duration in Saint Croix County:
The largest precipitation sum in Saint Croix County is at