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Boise July Weather

Averages and records for weather in Boise, Idaho in the month of July.

Typical Boise July Weather 1991–2020
Average daily high	92.7 °F
Average daily low	61.5 °F
Average monthly precipitation	0.2 inches
Average monthly snow	none
Daily chance of precipitation	7.6%
Daily chance of snow	0%

Boise July Weather Records 1911–2023
Highest temperature	111 °F	July 19, 1960
Lowest temperature	35 °F	July 5, 1986
Highest daily low	80 °F	July 19, 2021
Lowest daily high	64 °F	July 4, 1986
Hottest average temperature	7.2 °F above average	2021
Coldest average temperature	-11.6 °F below average	1993
Most daily precipitation	1.1 inches	July 24, 1913
Most monthly precipitation	2.2 inches	1913
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	88.0	58.0	110	38
July 2	88.5	58.3	107	39
July 3	88.9	58.7	106	37
July 4	89.3	59.0	105	40
July 5	89.6	59.3	104	35
July 6	90.0	59.5	107	41
July 7	90.3	59.7	108	41
July 8	90.7	60.0	104	40
July 9	90.9	60.2	108	40
July 10	91.2	60.5	105	43
July 11	91.5	60.7	109	44
July 12	91.7	60.9	108	45
July 13	92.0	61.0	110	43
July 14	92.3	61.2	110	37
July 15	92.6	61.4	105	41
July 16	92.7	61.6	108	42
July 17	92.9	61.7	108	41
July 18	93.2	61.9	106	40
July 19	93.3	62.0	111	40
July 20	93.4	62.2	110	43
July 21	93.5	62.3	108	38
July 22	93.7	62.4	108	42
July 23	93.7	62.5	107	44
July 24	93.7	62.6	103	46
July 25	93.7	62.6	105	46
July 26	93.7	62.6	106	47
July 27	93.7	62.6	108	41
July 28	93.6	62.6	107	42
July 29	93.6	62.7	104	42
July 30	93.5	62.6	106	40
July 31	93.5	62.6	106	44

Weather Station Details

Years	Station	Coordinates
1940–2023		location
1911–1939	Meridian 1 W	location