South Dakota August Weather

South Dakota weather averages and all-time records in the month of August from 1991–2020 based on data made available by the NOAA.

State:

Month:

South Dakota Cities

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

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation
Aberdeen	81.7	56.7	112	30	2.2
Brookings	79.3	57.2	106	28	3.2
Camp Crook	86.6	53.9	114	27	1.6
Flandreau	79.0	57.1	108	32	3.5
Hot Springs	87.5	55.2	111	28	2.0
Huron	83.4	59.4	110	33	2.6
Interior	90.5	61.1	110	35	1.8
Lead	78.8	54.5	98	30	2.3
Mitchell	83.8	60.4	115	34	2.6
Mobridge	83.1	59.3	110	32	2.4
Mount Rushmore	77.4	57.9	99	33	2.3
Pierre	86.9	59.7	114	39	1.9
Rapid City	86.0	56.4	107	37	1.6
Sioux Falls	81.8	60.2	109	34	3.3
Sisseton	80.3	58.7	108	34	2.4
Spearfish	84.1	58.0	104	32	2.0
Summit	79.8	56.3	102	32	3.0
Vermillion	84.5	61.2	112	34	2.9
Watertown	79.8	57.7	105	32	2.9
Winner	87.1	61.1	112	34	2.4
Yankton	84.5	61.0	112	35	3.0