Average Snowfall for South Dakota in December
The tables below give monthly averages for snowfall during December at cities, towns and parks in South Dakota. The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) this month.
The snowfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.
You can jump to a separate table for each region of the state: Eastern, Central and Western South Dakota.
Eastern South Dakota
| Days | Place | Inches | Centimetres |
|---|---|---|---|
| 6.9 | Aberdeen | 8.0 | 20.3 |
| 5.9 | Brookings | 6.8 | 17.3 |
| 6.0 | Huron | 8.4 | 21.3 |
| 5.8 | Mitchell | 10.2 | 25.9 |
| 6.9 | Sioux Falls | 8.7 | 22.1 |
| 6.0 | Watertown | 8.9 | 22.6 |
| 5.5 | Waubay Wildlife Refuge | 6.3 | 16.0 |
| 3.8 | Yankton | 7.6 | 19.3 |
Central South Dakota
| Days | Place | Inches | Centimetres |
|---|---|---|---|
| 4.6 | Academy | 8.2 | 20.8 |
| 4.6 | Mobridge | 6.8 | 17.3 |
| 3.2 | Pickstown | 7.1 | 18.0 |
| 5.2 | Pierre | 6.2 | 15.7 |
Western South Dakota
| Days | Place | Inches | Centimetres |
|---|---|---|---|
| 3.9 | Custer | 5.4 | 13.7 |
| 3.1 | Hot Springs | 5.5 | 14.0 |
| 3.9 | Interior | 7.7 | 19.6 |
| 9.2 | Lead | 25.3 | 64.3 |
| 3.5 | Lemmon | 8.9 | 22.6 |
| 4.0 | Mt. Rushmore National Memorial | 6.6 | 16.8 |
| 4.9 | Pactola Reservoir Dam | 5.4 | 13.7 |
| 5.4 | Rapid City | 6.7 | 17.0 |
| 4.3 | Spearfish | 14.9 | 37.8 |
| 3.6 | Wind Cave National Park | 7.5 | 19.1 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.