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Yankton July Weather

Averages and records for weather in Yankton, South Dakota in the month of July.

Typical Yankton July Weather 1991–2020
Average daily high	86.8 °F
Average daily low	62.9 °F
Average monthly precipitation	3.3 inches
Average monthly snow	none
Daily chance of precipitation	25.2%
Daily chance of snow	0%

Yankton July Weather Records 1932–2024
Highest temperature	116 °F	July 18, 1936
Lowest temperature	41 °F	July 30, 1971
Highest daily low	86 °F	July 21, 1934
Lowest daily high	57 °F	July 1, 1959
Hottest average high temperature	101.5 °F	1936
Coldest average high temperature	77.8 °F	1992
Most daily precipitation	3.7 inches	July 10, 1971
Most monthly precipitation	10.2 inches	2010
Most daily snow	none	-
Most monthly snow	none	-

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
July 1	85.5	61.7	100	46
July 2	85.7	61.8	99	46
July 3	85.9	62.0	100	44
July 4	86.1	62.2	106	45
July 5	86.3	62.3	113	42
July 6	86.4	62.5	112	43
July 7	86.5	62.6	103	51
July 8	86.6	62.7	102	47
July 9	86.7	62.8	105	51
July 10	86.8	63.0	107	45
July 11	86.8	63.0	110	48
July 12	86.8	63.1	105	48
July 13	86.8	63.1	108	47
July 14	86.8	63.1	108	45
July 15	86.9	63.0	102	43
July 16	86.9	63.1	106	48
July 17	87.0	63.2	109	48
July 18	87.1	63.2	116	50
July 19	87.1	63.2	106	50
July 20	87.1	63.1	111	48
July 21	87.0	63.1	110	50
July 22	86.9	63.0	107	49
July 23	86.8	63.0	109	48
July 24	86.7	62.9	111	52
July 25	86.7	62.9	105	53
July 26	86.7	62.9	106	45
July 27	86.7	62.9	104	47
July 28	86.6	62.8	103	43
July 29	86.5	62.8	111	48
July 30	86.4	62.7	105	41
July 31	86.2	62.5	106	42

Weather Station Details

Years	Station	Coordinates
1932–2024	Yankton 2 E	location