Average annual temperature is 8.1 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -26.6 °C
Number of sunny days: 217 days
Number of rainy days: 114 days
Number of snow days: 34 days
Look at detailed online map of Big Stone County
* Weather data for Big Stone 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) | 1.6 | 3.9 | 2.2 | 24.9 | 32.2 | 33.6 | 35.7 | 34.8 | 35.2 | 31.6 | 16.2 | 10.5 |
| Average daytime temperature (°C) | -5.6 | -3.1 | -2.1 | 8.6 | 23.9 | 29.3 | 27.6 | 27.7 | 24.7 | 14.6 | 7.9 | 4.0 |
| Average temperature (°C) | -8.9 | -8.6 | -6.4 | 3.1 | 17.2 | 23.4 | 22.0 | 22.3 | 19.4 | 10.2 | 2.8 | 0.2 |
| Average night temperature (°C) | -11.8 | -13.2 | -9.9 | -1.1 | 10.9 | 17.7 | 16.9 | 17.8 | 15.2 | 6.6 | -1.0 | -2.5 |
| Absolute minimum temperature (°C) | -25.9 | -26.6 | -18.7 | -10.3 | 1.3 | 11.9 | 11.3 | 14.0 | 9.4 | -5.4 | -10.4 | -9.2 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 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) | 3.4 | 7.4 | 7.5 | 9.2 | 11.8 | 13.2 | 13.0 | 11.5 | 10.3 | 7.6 | 6.9 | 4.2 |
| Precipitation (mm) | 18 | 31 | 51 | 65 | 50 | 67 | 27 | 87 | 85 | 106 | 8 | 79 |
| Sunny days | 19 | 19 | 17 | 14 | 20 | 15 | 17 | 19 | 17 | 18 | 22 | 20 |
| Rainy days | 5 | 3 | 3 | 12 | 11 | 15 | 14 | 12 | 13 | 12 | 6 | 8 |
| Snow days | 7 | 6 | 11 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
The best time to visit Big Stone County during the most sunny months:
Months with the longest average daylight duration in Big Stone County:
The largest precipitation sum in Big Stone County is at