South Dakota Climate
How South Dakota's latest month ranks since 1895, the normals at its main weather stations, and the climate page for every town.
How South Dakota is running
NOAA NCEI Climate at a Glance, from the nClimGrid analysis of every station, updated early each month. A rank of 1 is the highest or lowest of all years since 1895.
August 2026 in South Dakota: 71.8°F (+1.2 °F against 1991-2020), the 38th warmest in 132 years on record.
August 2026 in South Dakota: 2.11 in (-0.21 in against 1991-2020), the 62nd wettest in 132 years on record.
January to August 2026 in South Dakota: 51.3°F (+3.3 °F against 1991-2020), the 6th warmest in 132 years on record.
January to August 2026 in South Dakota: 12.68 in (-3.62 in against 1991-2020), the 25th driest in 132 years on record.
- Warmest August
- 77.1°F in 1937
- Coolest August
- 64.6°F in 1915
- Wettest August
- 4.65 in in 1906
- Driest August
- 0.70 in in 2001
Every year since 1895
Main weather stations
Annual 1991-2020 normals at the first-order (airport and Weather Service) stations; freeze dates are the median for 32°F.
| Station | Avg high | Avg low | Precipitation | Snowfall | Last freeze | First freeze |
|---|---|---|---|---|---|---|
| Aberdeen | 56.3°F | 31.8°F | 21.82 in | 42.7 in | May 9 | September 26 |
| Aberdeen 35 Wnw | 52.2°F | 31.6°F | 19.88 in | May 10 | September 30 | |
| Buffalo 13 Ese | 57.0°F | 29.7°F | 16.89 in | May 20 | September 19 | |
| Buffalo Asos | 57.6°F | 33.3°F | 13.45 in | May 10 | October 1 | |
| Chamberlain Muni AP | 59.6°F | 36.8°F | 20.37 in | May 1 | October 7 | |
| Custer CO AP | 54.4°F | 31.9°F | 19.75 in | May 23 | September 24 | |
| Faith Muni AP | 57.4°F | 34.1°F | 16.09 in | May 7 | October 3 | |
| Huron Rgnl AP | 57.3°F | 34.5°F | 23.32 in | 44.4 in | May 6 | October 2 |
| Mitchell Muni AP | 58.7°F | 36.7°F | 21.14 in | April 30 | October 5 | |
| Mobridge Muni AP | 58.2°F | 34.6°F | 17.99 in | 31.0 in | May 5 | October 4 |
| Philip AP | 61.3°F | 34.0°F | 16.28 in | May 11 | September 30 | |
| Pierre 24 S | 58.3°F | 35.6°F | 19.65 in | May 6 | October 7 | |
| Pierre Rgnl AP | 58.9°F | 35.2°F | 20.20 in | 37.2 in | May 6 | October 3 |
| Pine Ridge AP | 61.7°F | 33.9°F | 16.62 in | May 16 | September 27 | |
| Rapid City Rgnl AP | 59.6°F | 33.7°F | 17.44 in | 48.5 in | May 12 | October 1 |
| Sioux Falls | 58.0°F | 36.6°F | 27.85 in | 45.3 in | May 1 | October 6 |
| Sioux Falls 14 Nne | 55.5°F | 34.8°F | 29.62 in | May 1 | October 4 | |
| Sisseton Muni AP | 54.7°F | 33.3°F | 22.94 in | 36.3 in | May 3 | September 30 |
| Watertown Rgnl AP | 53.3°F | 32.7°F | 22.71 in | 41.1 in | May 7 | September 30 |
| Winner Wiley Fld | 61.9°F | 38.5°F | 19.45 in | May 1 | October 10 | |
| Yankton 2 E | 60.0°F | 37.3°F | 28.66 in | 38.1 in | April 27 | October 11 |
Frost dates at every station in South Dakota
Counties
- Aurora County
- Beadle County
- Bennett County
- Bon Homme County
- Brookings County
- Brown County
- Brule County
- Buffalo County
- Butte County
- Campbell County
- Charles Mix County
- Clark County
- Clay County
- Codington County
- Corson County
- Custer County
- Davison County
- Day County
- Deuel County
- Dewey County
- Douglas County
- Edmunds County
- Fall River County
- Faulk County
- Grant County
- Gregory County
- Haakon County
- Hamlin County
- Hand County
- Hanson County
- Harding County
- Hughes County
- Hutchinson County
- Hyde County
- Jackson County
- Jerauld County
- Jones County
- Kingsbury County
- Lake County
- Lawrence County
- Lincoln County
- Lyman County
- Marshall County
- McCook County
- McPherson County
- Meade County
- Mellette County
- Miner County
- Minnehaha County
- Moody County
- Oglala Lakota County
- Pennington County
- Perkins County
- Potter County
- Roberts County
- Sanborn County
- Spink County
- Stanley County
- Sully County
- Todd County
- Tripp County
- Turner County
- Union County
- Walworth County
- Yankton County
- Ziebach County
Towns
- Aberdeen
- Alcester
- Alexandria
- Antelope
- Arlington
- Armour
- Ashland Heights
- Aurora
- Avon
- Baltic
- Belle Fourche
- Beresford
- Bison
- Blackhawk
- Bowdle
- Box Elder
- Brandon
- Britton
- Brookings
- Buffalo
- Burke
- Canistota
- Canton
- Castlewood
- Centerville
- Chamberlain
- Clark
- Clear Lake
- Colman
- Colonial Pine Hills
- Colton
- Corsica
- Crooks
- Custer
- Dakota Dunes
- De Smet
- Deadwood
- Dell Rapids
- Dupree
- Eagle Butte
- Edgemont
- Elk Point
- Elkton
- Ellsworth Air Force Base
- Estelline
- Eureka
- Faulkton
- Flandreau
- Fort Pierre
- Fort Thompson
- Freeman
- Garretson
- Gettysburg
- Goodwill
- Green Valley
- Gregory
- Groton
- Harrisburg
- Hartford
- Hayti
- Highmore
- Hill City
- Hot Springs
- Howard
- Humboldt
- Huron
- Ipswich
- Jefferson
- Johnson Siding
- Kadoka
- Kennebec
- Kimball
- Kyle
- Lake Andes
- Lake Preston
- Lead
- Lemmon
- Lennox
- Leola
- Lower Brule
- Madison
- Manderson-White Horse Creek
- Marion
- Martin
- McIntosh
- McLaughlin
- Meadow View Addition
- Menno
- Milbank
- Miller
- Mission
- Mitchell
- Mobridge
- Mound City
- Murdo
- New Underwood
- Newell
- North Eagle Butte
- North Sioux City
- North Spearfish
- Oglala
- Olivet
- Onida
- Parker
- Parkston
- Parmelee
- Philip
- Piedmont
- Pierre
- Pine Ridge
- Plankinton
- Platte
- Porcupine
- Presho
- Rapid City
- Rapid Valley
- Redfield
- Rosebud
- Saint Francis
- Salem
- Scotland
- Selby
- Shindler
- Sioux Falls
- Sisseton
- Spearfish
- Springfield
- Sturgis
- Summerset
- Tea
- Timber Lake
- Tripp
- Tyndall
- Valley Springs
- Veblen
- Vermillion
- Viborg
- Volga
- Wagner
- Wall
- Wanblee
- Watertown
- Waubay
- Webster
- Wessington Springs
- White River
- Whitewood
- Wilmot
- Winner
- Woonsocket
- Worthing
- Yankton
Sources
Rankings: NOAA NCEI Climate at a Glance. Normals: NOAA NCEI U.S. Climate Normals, 1991-2020. Both public domain.