Average annual temperature is 9.6 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -29.0 °C
Number of sunny days: 215 days
Number of rainy days: 111 days
Number of snow days: 39 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) | 14.8 | 15.4 | 19.5 | 26.1 | 28.4 | 32.0 | 35.8 | 38.4 | 37.8 | 29.9 | 21.3 | 15.6 |
| Average daytime temperature (°C) | 3.2 | 5.6 | 5.7 | 11.8 | 23.0 | 25.7 | 29.7 | 30.1 | 25.5 | 15.4 | 11.0 | 6.2 |
| Average temperature (°C) | -1.9 | -2.1 | -1.3 | 4.9 | 16.4 | 19.9 | 22.9 | 23.1 | 18.8 | 9.0 | 4.2 | 0.7 |
| Average night temperature (°C) | -5.4 | -7.6 | -5.9 | -1.0 | 10.3 | 14.4 | 16.3 | 17.4 | 13.2 | 4.2 | -0.6 | -3.2 |
| Absolute minimum temperature (°C) | -17.4 | -29.0 | -12.2 | -14.6 | 0.1 | 9.0 | 10.8 | 12.0 | 8.3 | -10.0 | -8.3 | -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 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.5 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 5.4 | 7.6 | 7.7 | 10.3 | 11.3 | 11.9 | 13.2 | 11.1 | 10.2 | 8.2 | 7.7 | 6.5 |
| Precipitation (mm) | 24 | 21 | 40 | 36 | 115 | 173 | 25 | 49 | 52 | 56 | 2 | 29 |
| Sunny days | 16 | 18 | 15 | 20 | 12 | 11 | 14 | 21 | 19 | 20 | 25 | 24 |
| Rainy days | 5 | 5 | 4 | 6 | 19 | 19 | 17 | 10 | 11 | 9 | 2 | 4 |
| Snow days | 10 | 5 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 |
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