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Vermillion May Weather

Averages and records for weather in Vermillion, South Dakota in the month of May.

Typical Vermillion May Weather 1991–2020
Average daily high	73.5 °F
Average daily low	48.5 °F
Average monthly precipitation	4.0 inches
Average monthly snow	0.1 inches
Daily chance of precipitation	34.2%
Daily chance of snow	0.12%

Vermillion May Weather Records 1893–2024
Highest temperature	106 °F	May 30, 1934
Lowest temperature	20 °F	May 3, 1967
Highest daily low	80 °F	May 31, 1934
Lowest daily high	33 °F	May 5, 1944
Hottest average high temperature	88.4 °F	1934
Coldest average high temperature	62.8 °F	1935
Most daily precipitation	3.0 inches	May 19, 1990
Most monthly precipitation	9.9 inches	1903
Most daily snow	4.0 inches	May 28, 1947
Most monthly snow	4.0 inches	1947

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	68.5	42.4	95	22
May 2	69.0	42.8	95	22
May 3	69.4	43.1	94	20
May 4	69.8	43.5	93	23
May 5	70.2	43.9	96	24
May 6	70.6	44.3	100	27
May 7	70.9	44.8	94	27
May 8	71.2	45.3	99	24
May 9	71.3	45.7	98	26
May 10	71.5	46.1	94	23
May 11	71.8	46.5	93	24
May 12	72.1	46.9	95	26
May 13	72.5	47.3	95	26
May 14	72.8	47.7	101	29
May 15	73.3	48.2	100	27
May 16	73.7	48.6	95	25
May 17	74.1	49.1	98	29
May 18	74.5	49.7	100	23
May 19	74.8	50.0	100	30
May 20	75.0	50.4	100	30
May 21	75.3	50.7	97	26
May 22	75.6	51.0	95	24
May 23	76.0	51.3	96	31
May 24	76.4	51.8	96	29
May 25	76.7	52.2	104	32
May 26	77.0	52.6	104	26
May 27	77.5	53.1	96	34
May 28	77.9	53.6	100	32
May 29	78.2	54.0	106	29
May 30	78.5	54.4	106	37
May 31	78.7	54.8	101	34

Weather Station Details

Years	Station	Coordinates
1893–2024	Vermillion 2 SE	location