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Spearfish July Weather

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

Typical Spearfish July Weather 1991–2020
Average daily high	85.1 °F
Average daily low	59.7 °F
Average monthly precipitation	2.3 inches
Average monthly snow	none
Daily chance of precipitation	28.1%
Daily chance of snow	0%

Spearfish July Weather Records 1893–2024
Highest temperature	110 °F	July 6, 1936
Lowest temperature	33 °F	July 15, 1906
Highest daily low	88 °F	July 23, 1936
Lowest daily high	52 °F	July 10, 1951
Hottest average high temperature	98.8 °F	1936
Coldest average high temperature	74.2 °F	1915
Most daily precipitation	3.5 inches	July 29, 1932
Most monthly precipitation	7.8 inches	1923
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	82.4	57.7	104	40
July 2	82.8	57.9	103	37
July 3	83.2	58.2	108	42
July 4	83.6	58.5	103	40
July 5	84.0	58.7	108	38
July 6	84.3	58.9	110	42
July 7	84.5	59.0	105	36
July 8	84.6	59.2	101	35
July 9	84.8	59.4	106	37
July 10	85.0	59.6	107	42
July 11	85.2	59.7	105	44
July 12	85.2	59.8	103	42
July 13	85.3	59.9	101	35
July 14	85.4	59.9	103	40
July 15	85.5	60.0	109	33
July 16	85.6	60.0	105	35
July 17	85.7	60.1	102	37
July 18	85.9	60.2	103	45
July 19	86.0	60.2	103	43
July 20	86.1	60.2	104	47
July 21	86.1	60.2	103	41
July 22	86.1	60.2	101	44
July 23	86.1	60.2	106	42
July 24	86.1	60.2	104	45
July 25	86.1	60.3	109	40
July 26	86.2	60.3	105	38
July 27	86.1	60.2	105	46
July 28	86.1	60.2	109	44
July 29	86.1	60.2	105	45
July 30	85.9	60.1	104	43
July 31	85.8	60.0	102	45

Weather Station Details

Years	Station	Coordinates
1893–2024	Spearfish	location