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Rochester August Weather

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

Typical Rochester August Weather 1991–2020
Average daily high	81.3 °F
Average daily low	62.2 °F
Average monthly precipitation	4.1 inches
Average monthly snow	none
Daily chance of precipitation	28.4%
Daily chance of snow	0%

Rochester August Weather Records 1900–2024
Highest temperature	101 °F	August 3, 2006
Lowest temperature	34 °F	August 31, 1965
Highest daily low	80 °F	August 11, 1900
Lowest daily high	61 °F	August 29, 1986
Hottest average high temperature	85.0 °F	2016
Coldest average high temperature	75.4 °F	1964
Most daily precipitation	5.9 inches	August 9, 1976
Most monthly precipitation	10.6 inches	1985
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	82.7	63.9	93	46
August 2	82.5	63.8	97	47
August 3	82.3	63.7	101	46
August 4	82.3	63.6	98	45
August 5	82.1	63.5	94	50
August 6	82.0	63.4	95	45
August 7	81.9	63.3	93	47
August 8	81.8	63.2	96	47
August 9	81.8	63.1	92	50
August 10	81.8	63.0	100	40
August 11	81.7	62.8	96	46
August 12	81.6	62.6	94	45
August 13	81.6	62.4	93	47
August 14	81.5	62.3	95	44
August 15	81.4	62.3	95	45
August 16	81.3	62.2	95	45
August 17	81.2	62.0	93	47
August 18	81.0	61.8	94	46
August 19	80.8	61.5	96	46
August 20	80.6	61.3	92	44
August 21	80.4	61.2	92	46
August 22	80.3	61.1	94	43
August 23	80.1	60.9	93	40
August 24	79.9	60.8	89	39
August 25	79.8	60.7	90	42
August 26	79.5	60.5	93	42
August 27	79.4	60.4	94	44
August 28	79.2	60.2	95	48
August 29	79.0	59.9	95	44
August 30	78.7	59.7	94	39
August 31	78.6	59.4	95	34

Weather Station Details

Years	Station	Coordinates
1900–2024	Rochester	location