South Dakota climate

South Dakota Frost Dates

The median last spring freeze and first fall freeze (32°F) at 166 NOAA stations in South Dakota, 1991-2020, with the growing season between them.

Every station

A median date has an even chance of a later freeze in spring or an earlier one in fall. Each town page gives the dates at 36, 32 and 28°F and every probability from 10 to 90 percent.

StationElevationLast freezeFirst freezeSeason, daysTown page
Aberdeen1,302 ftMay 9September 26140Aberdeen
Aberdeen 3 E1,301 ftMay 8September 29144Aberdeen
Aberdeen 35 Wnw1,957 ftMay 10September 30143Leola
Academy 2NE1,681 ftApril 30October 8161Platte
Alexandria1,365 ftMay 8September 29144Alexandria
Andover #21,478 ftMay 6October 4151Groton
Antelope RS2,820 ftMay 19September 19123Buffalo
Ardmore 1 Nw3,540 ftMay 16September 23130Edgemont
Arlington 1 W1,824 ftMay 3October 2152Arlington
Armour1,510 ftMay 3October 6156Armour
Astoria 4S1,890 ftMay 6October 3150
Bear Ridge3,900 ftMay 17September 27133North Spearfish
Belle Fourche3,020 ftMay 10September 30143Belle Fourche
Belle Fourche 22 Nnw3,200 ftMay 15September 24132Belle Fourche
Bison2,780 ftMay 10October 1144Bison
Bonesteel1,985 ftMay 3October 10160
Bridgewater1,417 ftApril 30October 7160Canistota
Britton1,355 ftMay 13September 26136Britton
Brookings 2 Ne1,639 ftMay 6October 1148Brookings
Buffalo 13 Ese2,883 ftMay 20September 19122Buffalo
Buffalo Asos3,004 ftMay 10October 1144Buffalo
Camp Crook3,120 ftMay 17September 24130Buffalo
Canton1,316 ftMay 2October 2153Canton
Castlewood1,685 ftMay 10September 27140Castlewood
Castlewood #21,689 ftMay 6October 1148Castlewood
Cedar Butte2,355 ftMay 6October 4151White River
Centerville 6 Se1,276 ftMay 2October 1152Centerville
Chamberlain 5 S1,704 ftMay 3October 7157Chamberlain
Chamberlain Muni AP1,703 ftMay 1October 7159Chamberlain
Clark1,804 ftMay 5October 5153Clark
Clark No21,814 ftMay 5October 5153Clark
Clear Lake1,812 ftMay 7October 1147Clear Lake
Columbia 8 N1,305 ftMay 7September 29145Aberdeen
Conde1,330 ftMay 6September 29146Groton
Cottonwood 2 E2,373 ftMay 16September 26133Philip
Custer5,480 ftMay 18September 28133Custer
Custer CO AP5,545 ftMay 23September 24124Custer
De Smet1,705 ftMay 5October 4152De Smet
Deadwood4,670 ftMay 24September 25124Deadwood
Dupree2,388 ftMay 8October 1146Dupree
Dupree 15 Sse2,100 ftMay 6October 2149Dupree
Edgemont3,432 ftMay 23September 20120Edgemont
Edgemont 23 Nnw4,402 ftMay 18September 27132Custer
Elm Springs 3 Ese2,645 ftMay 8October 3148New Underwood
Eureka1,871 ftMay 12September 27138Eureka
Faith2,592 ftMay 6October 5152Dupree
Faith Muni AP2,580 ftMay 7October 3149Dupree
Faulkton 1 Nw1,597 ftMay 10September 28141Faulkton
Flandreau1,567 ftMay 5October 1149Flandreau
Forestburg 4 Nne1,277 ftMay 9September 28142Woonsocket
Ft Meade3,308 ftMay 8October 3148Sturgis
Ft Pierre 17 Wsw1,590 ftMay 10September 27140Fort Pierre
Gann Valley 3 Nne1,646 ftMay 7October 1147Wessington Springs
Gann Valley 4NW1,720 ftMay 6October 1148Fort Thompson
Gettysburg2,084 ftMay 7October 2148Gettysburg
Glad Valley 2 W2,487 ftMay 11September 30142Dupree
Gregory2,160 ftMay 6October 3150Gregory
Harrington2,980 ftMay 11October 1143Parmelee
Harrold 12 Ssw1,701 ftMay 17September 24130Highmore
Hereford 12 Sw2,810 ftMay 8October 3148Ellsworth Air Force Base
Highmore 1 W1,888 ftMay 12October 1142Highmore
Highmore 23 N1,870 ftMay 14September 29138Faulkton
Hill City4,946 ftJune 1September 10101Hill City
Hoover2,773 ftMay 19September 21125Newell
Hot Springs3,560 ftMay 16September 27134Hot Springs
Howard1,570 ftMay 5October 2150Howard
Huron Rgnl AP1,280 ftMay 6October 2149Huron
Interior 3 Ne2,440 ftMay 5October 7155Wanblee
Ipswich1,547 ftMay 8September 29144Ipswich
Johnson Siding4,184 ftMay 20September 25128Johnson Siding
Kennebec1,681 ftMay 12September 28139Kennebec
Kirley 6 N2,160 ftMay 6October 4151Eagle Butte
Kyle 2 E2,958 ftMay 11October 1143Kyle
Ladner 9SW3,000 ftMay 13September 27137Buffalo
Lake Sharpe Prj1,461 ftMay 6October 5152Fort Thompson
Lead5,112 ftMay 18September 29134Lead
Lemmon2,567 ftMay 10September 30143Lemmon
Leola1,580 ftMay 9September 28142Leola
Lodgepole 5SW2,570 ftMay 30September 11104
Longvalley2,470 ftMay 9October 1145Wanblee
Ludlow 3 Sse2,990 ftMay 16September 26133Buffalo
Madison 2SE1,643 ftMay 5September 30148Madison
Manderson 3 Ne3,095 ftMay 9October 4148Manderson-White Horse Creek
Martin3,330 ftMay 13October 2142Martin
Martin 8 E3,036 ftMay 14October 1140Martin
Maurine 12SW2,629 ftMay 13September 28138Newell
Mc Intosh 6 Se2,179 ftMay 9September 30144McIntosh
Mc Laughlin2,001 ftMay 12September 28139McLaughlin
Mellette 4 W1,296 ftMay 11September 27139Redfield
Menno1,332 ftMay 1October 4156Menno
Midland1,870 ftMay 12September 28139Kadoka
Milbank1,142 ftMay 5October 2150Milbank
Milbank 4 Nw1,145 ftMay 2October 4155Milbank
Milesville 5 Ne2,237 ftMay 8October 2147Philip
Miller1,576 ftMay 3October 3153Miller
Mission2,587 ftMay 9October 1145Mission
Mission 14 S2,810 ftMay 11October 2144Antelope
Mission Ridge 5NW1,982 ftMay 6October 7154Eagle Butte
Mitchell1,287 ftApril 27October 11167Mitchell
Mitchell 2 N1,250 ftMay 2October 6157Mitchell
Mitchell Muni AP1,303 ftApril 30October 5158Mitchell
Mobridge 2NNW1,693 ftMay 3October 8158Mobridge
Mobridge Muni AP1,715 ftMay 5October 4152Mobridge
Montrose 8N1,718 ftMay 3October 4154Salem
Mt Rushmore Nmem5,311 ftMay 15October 1139Hill City
Murdo2,316 ftMay 3October 9159Murdo
Newell2,860 ftMay 8October 1146Newell
Oahe Dam1,663 ftMay 6October 5152Pierre
Oelrichs3,348 ftMay 15September 30138Hot Springs
Oglala 1S2,995 ftMay 7October 4150Oglala
Onida 4 Nw1,851 ftMay 8October 2147Onida
Oral2,960 ftMay 15September 27135Hot Springs
Pactola Dam4,720 ftMay 28September 18113Johnson Siding
Philip AP2,206 ftMay 11September 30142Philip
Pickstown1,490 ftApril 30October 13166Lake Andes
Pickstown 4SSW1,707 ftApril 27October 13169Lake Andes
Pierre 24 S2,124 ftMay 6October 7154Presho
Pierre Rgnl AP1,742 ftMay 6October 3150Pierre
Pine Ridge AP3,278 ftMay 16September 27134Pine Ridge
Plainview 6 Ssw2,377 ftMay 15September 27135Wall
Pollock1,639 ftMay 8September 30145Mound City
Porcupine 11 N2,820 ftMay 17September 25131Kyle
Presho 7 Nw1,810 ftMay 12September 29140Presho
Ralph 1 N2,790 ftMay 18September 23128
Rapid City 4NW3,479 ftMay 10October 5148Blackhawk
Rapid City Rgnl AP3,160 ftMay 12October 1142Green Valley
Rapid City WFO3,379 ftMay 3October 8158Rapid City
Rauville 2 W1,737 ftMay 7September 28144Watertown
Red Owl2,773 ftMay 16September 26133Newell
Redfield1,309 ftMay 8October 1146Redfield
Redig 11 Ne3,070 ftMay 15September 24132Buffalo
Roscoe1,835 ftMay 7October 3149Ipswich
Roy Lake1,810 ftMay 2October 9160Veblen
Salem 5NE1,594 ftMay 7September 29145Salem
Selby1,908 ftMay 8October 1146Selby
Shadehill Rsvr2,450 ftMay 16September 24131Bison
Sioux Falls1,430 ftMay 1October 6158Meadow View Addition
Sioux Falls 14 Nne1,594 ftMay 1October 4156Garretson
Sioux Falls WFO AP1,430 ftApril 26October 13170Meadow View Addition
Sisseton1,209 ftMay 4October 3152Sisseton
Sisseton Muni AP1,161 ftMay 3September 30150Sisseton
Spearfish3,633 ftMay 12October 2143Spearfish
Stephan 2 Nw1,805 ftMay 10September 29142Fort Thompson
Summit 1 W1,955 ftMay 14September 28137Waubay
Timber Lake2,173 ftMay 10September 30143Timber Lake
Turton1,335 ftMay 7October 3149Clark
Tyndall1,420 ftMay 1October 7159Tyndall
Vermillion 2 Se1,137 ftMay 3October 3153Vermillion
Victor 4 N1,095 ftMay 4October 3152
Wagner1,430 ftApril 29October 9163Wagner
Wasta2,328 ftMay 10October 1144Wall
Watertown 2 S1,772 ftMay 3October 4154Watertown
Watertown Rgnl AP1,748 ftMay 7September 30146Watertown
Waubay Natl Wild Life1,827 ftMay 1October 12164Waubay
Webster1,861 ftMay 4October 6155Webster
Wentworth 2.5 Wnw1,722 ftMay 2October 5156Madison
Wessington Springs1,715 ftMay 2October 8159Wessington Springs
White Lake1,629 ftMay 3October 5155Plankinton
Wilmot1,201 ftMay 5October 1149Wilmot
Wind Cave4,155 ftMay 15September 29137Hot Springs
Winfred 2S1,705 ftMay 6October 3150Howard
Winner2,016 ftMay 1October 9161Winner
Winner Wiley Fld2,032 ftMay 1October 10162Winner
Wood2,180 ftMay 10October 1144White River
Yankton 2 E1,180 ftApril 27October 11167Yankton
Zeona 10 Ssw2,730 ftMay 11September 28140Newell

Sources

NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal freeze probabilities. Public domain.