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Butte August Weather

Averages and records for weather in Butte, Montana in the month of August.

Typical Butte August Weather 1991–2020
Average daily high	80.0 °F
Average daily low	43.8 °F
Average monthly precipitation	1.2 inches
Daily chance of precipitation	24.7%

Butte August Weather Records 1894–2024
Highest temperature	99 °F	August 3, 2000
Lowest temperature	23 °F	August 25, 1992
Highest daily low	69 °F	August 8, 1908
Lowest daily high	44 °F	August 21, 1933
Hottest average high temperature	86.7 °F	1971
Coldest average high temperature	69.2 °F	1899
Most daily precipitation	2.0 inches	August 2, 1943
Most monthly precipitation	3.3 inches	1922

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	82.2	45.8	95	34
August 2	82.1	45.7	95	32
August 3	82.0	45.6	99	34
August 4	81.9	45.5	96	33
August 5	81.8	45.4	99	34
August 6	81.7	45.3	97	36
August 7	81.6	45.2	96	33
August 8	81.5	45.1	92	33
August 9	81.3	44.9	96	31
August 10	81.1	44.8	96	35
August 11	81.0	44.6	97	33
August 12	80.9	44.4	99	34
August 13	80.7	44.2	93	32
August 14	80.5	44.1	93	29
August 15	80.3	44.0	94	34
August 16	80.1	43.8	93	33
August 17	79.8	43.6	93	30
August 18	79.6	43.4	93	31
August 19	79.4	43.2	93	30
August 20	79.3	43.0	91	31
August 21	79.0	42.8	92	29
August 22	78.7	42.7	94	32
August 23	78.4	42.6	94	30
August 24	78.1	42.4	95	31
August 25	77.7	42.1	94	23
August 26	77.4	41.9	91	26
August 27	77.0	41.7	93	29
August 28	76.8	41.4	93	26
August 29	76.4	41.2	91	27
August 30	76.0	41.0	89	25
August 31	75.7	40.8	91	27

Weather Station Details

Years	Station	Coordinates
1894–2024	Butte Bert Mooney Airport	location