South Dakota Weather Records

Weather averages and records for the U.S. state of South Dakota based on data made available by the NOAA.

State:

Month:

South Dakota Statewide Averages

Average temperatures and precipitation over the entire territory of the state, from 1991–2020.

Month	High (°F)	Low (°F)	Precipitation (in)
January	28.6	8.2	0.5
February	32.8	11.5	0.6
March	44.7	21.9	1.0
April	57.0	32.0	2.2
May	68.3	43.5	3.3
June	78.6	54.1	3.5
July	85.6	59.7	2.8
August	83.9	57.4	2.3
September	75.2	47.8	1.9
October	59.6	34.7	1.8
November	44.1	22.1	0.7
December	31.9	12.1	0.6
Entire Year	57.5	33.8	21.2

South Dakota Cities

Yearly weather averages for various places in South Dakota, from 1991–2020.

City	Average (°F)		Record (°F)		Yearly (inches)
City	High	Low	High	Low	Precipitation	Snow
Aberdeen	55.3	32.1	115	-46	21.8	42.3
Brookings	53.8	32.9	109	-41	25.0	36.4
Camp Crook	59.4	32.3	114	-57	15.4	48.3
Flandreau	53.8	32.8	112	-40	27.9	40.7
Hot Springs	63.8	33.9	112	-41	18.4	33.8
Huron	57.4	34.8	112	-43	23.3	44.6
Interior	64.1	38.3	114	-31	18.7	35.4
Lead	55.8	34.5	101	-40	31.4	179.2
Mitchell	58.6	36.4	116	-40	21.7	35.1
Mobridge	55.6	34.3	117	-44	17.7	33.3
Mount Rushmore	55.2	36.8	100	-38	23.7	59.6
Pierre	59.5	35.5	117	-35	20.0	38.6
Rapid City	60.3	33.9	111	-31	17.1	47.8
Sioux Falls	57.1	35.9	110	-36	27.8	45.1
Sisseton	54.4	34.4	113	-37	25.0	46.4
Spearfish	59.6	37.1	110	-33	21.2	63.8
Summit	53.3	31.8	103	-40	25.1	57.3
Vermillion	61.5	37.7	114	-38	27.5	35.1
Watertown	53.7	33.2	110	-40	22.7	41.0
Winner	61.8	37.5	115	-38	22.8	48.4
Yankton	60.0	36.8	116	-31	27.0	38.8