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West Yellowstone July Weather

Averages and records for weather in West Yellowstone, Montana in the month of July.

Typical West Yellowstone July Weather 1991–2020
Average daily high	79.5 °F
Average daily low	40.2 °F
Average monthly precipitation	1.3 inches
Daily chance of precipitation	18.9%

West Yellowstone July Weather Records 1924–2024
Highest temperature	97 °F	July 21, 1936
Lowest temperature	20 °F	July 18, 1948
Highest daily low	58 °F	July 14, 1954
Lowest daily high	45 °F	July 6, 1994
Hottest average high temperature	87.4 °F	2007
Coldest average high temperature	67.2 °F	1993
Most daily precipitation	1.4 inches	July 20, 1924
Most monthly precipitation	4.1 inches	1995

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	75.5	38.5	90	22
July 2	75.9	38.6	91	25
July 3	76.4	38.8	89	28
July 4	76.8	38.9	91	27
July 5	77.1	39.2	93	22
July 6	77.4	39.3	94	22
July 7	77.7	39.4	91	26
July 8	78.1	39.6	91	24
July 9	78.2	39.8	92	28
July 10	78.5	39.9	90	27
July 11	78.7	40.0	92	27
July 12	78.8	40.1	94	25
July 13	78.9	40.2	95	25
July 14	79.1	40.2	95	26
July 15	79.3	40.2	96	29
July 16	79.5	40.3	93	25
July 17	79.6	40.3	92	24
July 18	79.9	40.3	95	20
July 19	80.0	40.3	97	24
July 20	80.2	40.4	95	29
July 21	80.3	40.3	97	26
July 22	80.4	40.3	96	27
July 23	80.5	40.3	94	29
July 24	80.5	40.3	94	27
July 25	80.5	40.3	96	25
July 26	80.5	40.3	94	22
July 27	80.6	40.2	95	21
July 28	80.6	40.2	94	22
July 29	80.5	40.1	91	24
July 30	80.5	40.1	93	30
July 31	80.5	40.0	94	28

Weather Station Details

Years	Station	Coordinates
1997–2024	West Yellowstone	location
1924–1996	West Yellowstone	location