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Rochester August Weather

Averages and records for weather in Rochester, Minnesota in the month of August.

Typical Rochester August Weather 1991–2020
Average daily high	77.9 °F
Average daily low	58.5 °F
Average monthly precipitation	4.1 inches
Average monthly snow	none
Daily chance of precipitation	32.2%
Daily chance of snow	0%

Rochester August Weather Records 1893–2024
Highest temperature	100 °F	August 24, 1948
Lowest temperature	32 °F	August 30, 1915
Highest daily low	78 °F	August 24, 1948
Lowest daily high	55 °F	August 31, 1958
Hottest average high temperature	89.1 °F	1947
Coldest average high temperature	72.7 °F	2004
Most daily precipitation	5.2 inches	August 18, 2007
Most monthly precipitation	14.1 inches	2007
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
August 1	79.1	59.8	99	38
August 2	79.0	59.7	98	40
August 3	78.9	59.5	100	45
August 4	78.7	59.4	100	42
August 5	78.6	59.2	99	42
August 6	78.5	59.0	94	43
August 7	78.4	59.0	95	44
August 8	78.4	58.9	97	45
August 9	78.3	58.8	99	43
August 10	78.3	58.8	96	44
August 11	78.3	58.8	95	41
August 12	78.3	58.7	95	43
August 13	78.2	58.8	96	40
August 14	78.1	58.7	91	37
August 15	78.0	58.6	100	39
August 16	77.9	58.5	99	39
August 17	77.8	58.4	99	45
August 18	77.7	58.2	99	42
August 19	77.7	58.1	98	40
August 20	77.6	58.0	96	35
August 21	77.6	57.9	97	39
August 22	77.5	57.7	96	38
August 23	77.4	57.5	100	37
August 24	77.3	57.3	100	34
August 25	77.1	57.1	97	36
August 26	76.9	56.9	95	33
August 27	76.7	56.6	93	39
August 28	76.6	56.4	96	36
August 29	76.5	56.3	92	34
August 30	76.3	56.1	96	32
August 31	76.1	55.8	93	38

Weather Station Details

Years	Station	Coordinates
1893–2024	Rochester International Airport	location