South Dakota May Weather

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

State:

Month:

South Dakota Cities

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

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Aberdeen	69.3	44.4	110	13	3.3	0.0
Brookings	66.8	45.0	106	17	3.4	0.0
Camp Crook	67.8	40.8	101	4	2.9	2.1
Flandreau	66.9	44.8	106	16	4.1	0.1
Hot Springs	70.5	41.4	102	13	3.2	0.4
Huron	70.0	46.1	106	16	3.1	0.0
Interior	72.2	46.6	102	20	3.6	0.5
Lead	61.1	39.9	89	8	4.8	6.3
Mitchell	70.7	47.7	108	18	3.2	0.0
Mobridge	67.7	44.9	108	18	3.0	0.1
Mount Rushmore	59.8	41.6	93	14	4.6	2.9
Pierre	69.9	45.1	105	21	3.3	0.0
Rapid City	67.0	41.9	98	18	3.5	1.5
Sioux Falls	69.7	46.7	104	17	3.9	0.1
Sisseton	68.4	45.9	113	19	3.1	0.0
Spearfish	66.2	43.8	96	11	3.5	2.2
Summit	67.6	42.8	95	15	3.1	0.1
Vermillion	73.5	48.5	106	20	4.0	0.1
Watertown	67.3	44.7	106	16	2.8	0.1
Winner	71.4	46.4	106	17	3.6	0.0
Yankton	71.9	47.8	107	24	3.5	0.2