Average annual temperature is 7.2 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -28.9 °C
Number of sunny days: 201 days
Number of rainy days: 129 days
Number of snow days: 35 days
Look at detailed online map of Cass County
* Weather data for Cass 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) | 1.8 | 3.5 | 2.8 | 13.8 | 32.0 | 36.7 | 36.3 | 33.4 | 34.0 | 29.9 | 13.2 | 10.9 |
| Average daytime temperature (°C) | -5.9 | -3.5 | -2.8 | 6.9 | 23.9 | 29.3 | 27.5 | 27.5 | 24.1 | 13.5 | 6.1 | 2.7 |
| Average temperature (°C) | -9.4 | -9.7 | -7.7 | 1.8 | 16.8 | 23.2 | 21.2 | 21.6 | 18.5 | 8.8 | 1.0 | -1.3 |
| Average night temperature (°C) | -12.4 | -14.5 | -11.4 | -2.3 | 10.3 | 17.6 | 15.7 | 16.9 | 13.8 | 5.0 | -2.7 | -4.0 |
| Absolute minimum temperature (°C) | -26.8 | -28.9 | -19.2 | -10.1 | 1.1 | 11.9 | 10.9 | 12.1 | 7.8 | -6.3 | -11.6 | -10.7 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.5 | 7.6 | 7.6 | 8.0 | 11.5 | 12.5 | 13.1 | 10.8 | 9.2 | 7.2 | 6.1 | 4.3 |
| Precipitation (mm) | 8 | 14 | 50 | 61 | 55 | 71 | 31 | 48 | 88 | 41 | 8 | 62 |
| Sunny days | 25 | 20 | 15 | 11 | 15 | 11 | 14 | 18 | 15 | 16 | 20 | 21 |
| Rainy days | 1 | 3 | 1 | 14 | 16 | 19 | 17 | 13 | 15 | 13 | 9 | 8 |
| Snow days | 5 | 5 | 15 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 |
The best time to visit Cass County during the most sunny months:
Months with the longest average daylight duration in Cass County:
The largest precipitation sum in Cass County is at