Average annual temperature is 6.1 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -30.0 °C
Number of sunny days: 190 days
Number of rainy days: 122 days
Number of snow days: 53 days
Look at detailed online map of Pennington County
* Weather data for Pennington 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) | -0.1 | 5.1 | 3.0 | 15.1 | 29.1 | 32.9 | 33.3 | 31.9 | 33.4 | 29.3 | 11.1 | 7.5 |
| Average daytime temperature (°C) | -6.5 | -4.3 | -1.6 | 7.0 | 22.4 | 26.3 | 25.7 | 25.6 | 23.1 | 12.2 | 3.4 | 1.0 |
| Average temperature (°C) | -10.2 | -10.5 | -6.8 | 1.6 | 15.6 | 20.8 | 19.6 | 20.1 | 17.5 | 8.0 | -1.1 | -2.4 |
| Average night temperature (°C) | -13.1 | -15.5 | -11.1 | -2.9 | 9.3 | 15.8 | 14.2 | 15.5 | 13.4 | 4.5 | -4.2 | -5.0 |
| Absolute minimum temperature (°C) | -28.9 | -30.0 | -18.4 | -12.1 | -0.7 | 9.3 | 9.5 | 10.3 | 5.9 | -8.5 | -14.2 | -17.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.8 | 7.5 | 8.3 | 7.6 | 11.9 | 12.5 | 13.2 | 10.7 | 9.5 | 6.4 | 5.0 | 3.5 |
| Precipitation (mm) | 8 | 10 | 39 | 47 | 57 | 89 | 57 | 37 | 48 | 65 | 24 | 36 |
| Sunny days | 22 | 18 | 17 | 12 | 19 | 12 | 13 | 13 | 15 | 14 | 18 | 17 |
| Rainy days | 0 | 1 | 1 | 10 | 12 | 18 | 18 | 18 | 15 | 15 | 7 | 7 |
| Snow days | 9 | 9 | 13 | 8 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 7 |
The best time to visit Pennington County during the most sunny months:
Months with the longest average daylight duration in Pennington County:
The largest precipitation sum in Pennington County is at