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Interior July Weather

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

Typical Interior July Weather 1991–2020
Average daily high	90.9 °F
Average daily low	63.0 °F
Average monthly precipitation	2.3 inches
Average monthly snow	none
Daily chance of precipitation	26.0%
Daily chance of snow	0%

Interior July Weather Records 1949–2024
Highest temperature	114 °F	July 16, 2006
Lowest temperature	42 °F	July 30, 1971
Highest daily low	82 °F	July 28, 2010
Lowest daily high	60 °F	July 27, 1981
Hottest average high temperature	100.2 °F	2006
Coldest average high temperature	80.1 °F	1992
Most daily precipitation	2.6 inches	July 19, 2008
Most monthly precipitation	8.3 inches	2019
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	87.6	60.8	104	43
July 2	87.9	60.9	105	45
July 3	88.4	61.2	107	46
July 4	88.8	61.5	108	46
July 5	89.2	61.7	104	48
July 6	89.4	61.9	111	52
July 7	89.6	62.1	109	51
July 8	89.9	62.3	109	48
July 9	90.1	62.4	108	49
July 10	90.4	62.6	108	48
July 11	90.5	62.8	107	49
July 12	90.7	62.9	105	50
July 13	90.8	63.0	106	49
July 14	90.8	63.1	107	50
July 15	90.8	63.1	114	49
July 16	91.0	63.2	114	51
July 17	91.2	63.3	110	51
July 18	91.3	63.3	111	50
July 19	91.4	63.4	110	53
July 20	91.5	63.4	107	51
July 21	91.5	63.4	108	52
July 22	91.5	63.3	109	51
July 23	91.5	63.3	105	50
July 24	91.6	63.4	108	52
July 25	91.7	63.4	108	54
July 26	91.7	63.4	108	47
July 27	91.7	63.3	108	48
July 28	91.7	63.2	109	45
July 29	91.6	63.2	110	45
July 30	91.5	63.0	109	42
July 31	91.4	62.9	107	48

Weather Station Details

Years	Station	Coordinates
1949–2024	Interior 3 Ne	location