South Dakota weather in January: Statewide normals and every place, NOAA 1991-2020
In January, South Dakota's statewide normal high is 29°F and normal low 8°F; normal highs run from 20°F in Astoria to 41°F in Hill City (NOAA 1991-2020 normals).
- Statewide normal high
- 29°FJanuary, 1991-2020
- Statewide normal low
- 8°FJanuary, 1991-2020
- Statewide normal precipitation
- 0.47 inJanuary
- Warmest place
- 41°Fnormal high, Hill City
- Coolest place
- 20°Fnormal high, Astoria
Where is South Dakota warmest and wettest in January?
Hill City has the warmest January afternoons (41°F) and Astoria the coolest (20°F). Lead gets the most precipitation (1.54 in) and Winner the least (0.21 in). The most snow falls in Lead (24.8 inches).
Statewide, January averaged 26.5°F in 2021, 19.1°F in 2022, 19.9°F in 2023, 16.4°F in 2024, 16.4°F in 2025, 20.8°F in 2026, against a 1991-2020 normal of 18.4°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Sioux Falls | 27°F | 9°F | 0.60 | 8.0 |
| Rapid City | 36°F | 13°F | 0.31 | 5.3 |
| Aberdeen | 24°F | 2°F | 0.55 | 7.8 |
| Brookings | 22°F | 4°F | 0.43 | 5.5 |
| Watertown | 21°F | 3°F | 0.58 | 6.7 |
| Yankton | 30°F | 10°F | 0.65 | 6.7 |
| Mitchell | 29°F | 9°F | 0.40 | – |
| Huron | 26°F | 6°F | 0.58 | 7.8 |
| Spearfish | 36°F | 16°F | 0.60 | 8.2 |
| Pierre | 29°F | 9°F | 0.45 | 5.1 |
| Vermillion | 31°F | 10°F | 0.53 | – |
| Madison | 24°F | 5°F | 0.46 | 5.6 |
| Belle Fourche | 37°F | 13°F | 0.44 | 5.5 |
| Hot Springs | 40°F | 14°F | 0.41 | 5.2 |
| Milbank | 21°F | 4°F | 0.71 | – |
| Mobridge | 27°F | 6°F | 0.38 | 6.3 |
| Lead | 38°F | 18°F | 1.54 | 24.8 |
| Canton | 25°F | 6°F | 0.56 | 7.0 |
| Winner | 35°F | 15°F | 0.21 | – |
| Pine Ridge | 37°F | 12°F | 0.33 | – |
| Chamberlain | 31°F | 11°F | 0.40 | – |
| Sisseton | 23°F | 4°F | 0.63 | 6.2 |
| Flandreau | 23°F | 4°F | 0.54 | 5.8 |
| Redfield | 23°F | 3°F | 0.49 | – |
| Custer | 35°F | 15°F | 0.41 | – |
| Webster | 20°F | 2°F | 0.84 | 9.6 |
| Oglala | 37°F | 14°F | – | – |
| Kyle | 37°F | 11°F | 0.69 | – |
| Wagner | 32°F | 13°F | 0.67 | – |
| Deadwood | 38°F | 14°F | – | – |
| Salem | 24°F | 5°F | 0.55 | – |
| Miller | 26°F | 7°F | 0.42 | 7.0 |
| Gregory | 32°F | 10°F | 0.55 | 6.8 |
| Clear Lake | 21°F | 2°F | 0.72 | 10.8 |
| Britton | 20°F | 0°F | 0.66 | 8.3 |
| Clark | 21°F | 3°F | 0.49 | – |
| Lemmon | 29°F | 9°F | 0.26 | 4.5 |
| Mission | 34°F | 12°F | 0.48 | 7.2 |
| Tyndall | 29°F | 9°F | 0.57 | 6.5 |
| Gettysburg | 25°F | 5°F | 0.29 | 6.8 |
| De Smet | 23°F | 5°F | 0.60 | 6.2 |
| Centerville | 27°F | 7°F | 0.44 | 5.2 |
| Hill City | 41°F | 10°F | 0.40 | 6.1 |
| Ipswich | 24°F | 3°F | 0.35 | 6.0 |
| Arlington | 24°F | 5°F | 0.79 | – |
| Martin | 35°F | 13°F | 0.42 | 4.7 |
| Howard | 29°F | 5°F | 0.63 | 5.8 |
| Faulkton | 24°F | 4°F | 0.67 | 7.6 |
| Wessington Springs | 25°F | 7°F | 0.64 | 7.5 |
| Edgemont | 34°F | 4°F | 0.37 | 5.0 |
| Eureka | 21°F | 2°F | 0.36 | 6.9 |
| Philip | 34°F | 10°F | 0.43 | – |
| Castlewood | 22°F | 3°F | 0.52 | – |
| Armour | 32°F | 10°F | 0.55 | 6.1 |
| Johnson Siding | 39°F | 12°F | 0.39 | – |
| Alexandria | 25°F | 6°F | 0.47 | 6.1 |
| Highmore | 27°F | 7°F | 0.36 | 6.7 |
| Onida | 27°F | 7°F | 0.54 | 7.4 |
| Menno | 28°F | 10°F | 0.53 | 7.1 |
| Selby | 23°F | 4°F | 0.40 | 4.0 |
| Newell | 32°F | 10°F | 0.36 | 4.7 |
| Timber Lake | 27°F | 7°F | 0.49 | 6.4 |
| Bridgewater | 26°F | 8°F | 0.59 | – |
| Dupree | 31°F | 10°F | 0.41 | 5.4 |
| Waubay | 22°F | 4°F | 0.60 | 6.6 |
| Presho | 30°F | 6°F | – | – |
| Murdo | 31°F | 12°F | 0.57 | 7.5 |
| Montrose | 25°F | 6°F | – | – |
| Wilmot | 22°F | 3°F | 0.77 | 10.6 |
| Leola | 22°F | 1°F | 0.60 | – |
| White Lake | 27°F | 8°F | 0.47 | 7.1 |
| Faith | 29°F | 10°F | 0.38 | – |
| Buffalo | 32°F | 11°F | 0.31 | – |
| Bison | 30°F | 10°F | 0.46 | 5.6 |
| Kennebec | 32°F | 9°F | 0.45 | 5.5 |
| Roscoe | 21°F | 3°F | 0.54 | 8.1 |
| Summit | 21°F | 2°F | 0.65 | 10.2 |
| Bonesteel | 31°F | 11°F | 0.40 | 5.5 |
| Pickstown | 32°F | 12°F | 0.51 | 5.7 |
| Pollock | 24°F | 3°F | 0.37 | 7.7 |
| Mellette | 22°F | 1°F | 0.57 | 8.5 |
| Wentworth | 25°F | 7°F | 0.48 | 7.2 |
| Columbia | 22°F | 0°F | 0.47 | 7.7 |
| Conde | 23°F | 2°F | 0.59 | 5.4 |
| Astoria | 20°F | 3°F | – | – |
| Oelrichs | 36°F | 13°F | 0.41 | 6.2 |
| Midland | 34°F | 8°F | – | – |
| Andover | 22°F | 5°F | 0.57 | – |
| Camp Crook | 34°F | 11°F | 0.31 | 7.6 |
| Interior | 37°F | 14°F | 0.46 | 5.5 |
| Wasta | 35°F | 9°F | 0.28 | 3.8 |
| Turton | 22°F | 4°F | 0.59 | – |
| Wood | 34°F | 11°F | 0.43 | 7.1 |
| Forestburg | 26°F | 5°F | 0.54 | 6.0 |
| Winfred | 23°F | 5°F | 0.52 | – |
| Oral | 38°F | 11°F | 0.38 | 5.6 |
| Cottonwood | 33°F | 8°F | 0.41 | 5.4 |
| Stephan | 26°F | 5°F | 0.47 | 6.0 |
| Gann Valley | 27°F | 4°F | 0.32 | 7.8 |
| Aberdeen (35 mi WNW) | 21°F | 4°F | 0.50 | – |
| Academy (2 mi NE) | 30°F | 11°F | 0.51 | 5.8 |
| Antelope Ranger Station | 30°F | 5°F | – | – |
| Ardmore | 39°F | 9°F | 0.46 | 7.1 |
| Bear Ridge | 39°F | 14°F | 0.92 | 13.9 |
| Cedar Butte | 35°F | 12°F | 0.46 | 6.6 |
| Elm Springs (3 mi ESE) | 32°F | 10°F | 0.45 | 4.4 |
| Fort Meade | 38°F | 15°F | 0.49 | 5.3 |
| Fort Pierre (17 mi WSW) | 32°F | 8°F | 0.41 | 6.1 |
| Glad Valley (2 mi W) | 27°F | 7°F | 0.40 | 5.3 |
| Harrington | 35°F | 12°F | 0.52 | 7.2 |
| Harrold (12 mi SSW) | 27°F | 3°F | 0.49 | 4.8 |
| Hereford (12 mi SW) | 35°F | 12°F | 0.32 | 5.3 |
| Hoover | 30°F | 5°F | 0.32 | 4.6 |
| Kirley (6 mi N) | 30°F | 9°F | 0.49 | 6.1 |
| Ladner (9 mi SW) | 28°F | 10°F | 0.40 | 4.2 |
| Lake Sharpe Project | 29°F | 7°F | 0.48 | 2.7 |
| Lodgepole (5 mi SW) | 28°F | 5°F | 0.19 | – |
| Longvalley | 37°F | 14°F | 0.49 | – |
| Ludlow (3 mi SSE) | 30°F | 9°F | 0.30 | – |
| Manderson (3 mi NE) | 37°F | 14°F | – | – |
| Maurine (12 mi SW) | 31°F | 7°F | 0.61 | 5.1 |
| McIntosh (6 mi SE) | 26°F | 7°F | 0.41 | 7.2 |
| McLaughlin | 24°F | 4°F | 0.50 | 7.5 |
| Milesville (5 mi NE) | 31°F | 10°F | 0.44 | 6.7 |
| Mission Ridge (5 mi NW) | 28°F | 9°F | 0.28 | – |
| Mount Rushmore National Memorial | 37°F | 19°F | 0.48 | 7.2 |
| Oahe Dam | 31°F | 8°F | 0.44 | – |
| Pactola Dam | 36°F | 11°F | 0.33 | 5.7 |
| Pierre (24 mi S) | 30°F | 11°F | 0.39 | – |
| Plainview (6 mi SSW) | 31°F | 7°F | 0.33 | 5.0 |
| Porcupine (11 mi N) | 37°F | 10°F | 0.52 | – |
| Ralph (1 mi N) | 30°F | 7°F | 0.49 | – |
| Rauville (2 mi W) | 21°F | 2°F | 0.65 | 5.7 |
| Red Owl | 32°F | 9°F | 0.41 | 5.0 |
| Redig (11 mi NE) | 32°F | 9°F | 0.34 | 6.8 |
| Rochford (2 mi WNW) | 37°F | 3°F | – | – |
| Roy Lake | 22°F | 3°F | 0.55 | 6.6 |
| Shadehill Reservoir | 29°F | 7°F | – | – |
| Victor (4 mi N) | 20°F | 1°F | 0.78 | 10.0 |
| Wind Cave | 40°F | 15°F | 0.45 | 6.3 |
| Zeona (10 mi SSW) | 30°F | 7°F | – | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.