Weather By Day

August Rochester Weather 
August Rochester Weather
Record High: 99°F
Normal High: 79°F
Normal Low: 59°F
Record Low: 36°F
Avg Monthly Rain: 3.54"
Rec 1 Day Rain: 3.31"

Rochester Weather In August

The record high temperature in Rochester for the last 70 years in August was 99 degrees Fahrenheit, most recently measured on August 27, 1948, while the mean high temperature is 79. The lowest documented temperature for Rochester for the past 70 years in August was 36 on August 30, 1965, while the average low temperature is 59.

US National Weather Service historical Rochester August Weather data records that on August 17, 1943, the high temperature did not exceed 58 degrees Fahrenheit, the lowest high measured in Rochester in the past 70 years. NWS weather data additionally shows that on August 27, 2006, the lowest recorded temperature on that day did not drop below 78 degrees, the highest low measured in Rochester in the last 70 years.

National Weather Service data shows that the high temperature in Rochester on August First averages 82 degrees Fahrenheit and the high on the final day of August averages 78 degrees. The average daily low temperature in Rochester on August First is 61 degrees Fahrenheit and the average low on the last day of August is 58 degrees.

Rochester usually receives an average of 3.54 inches of precipitation during the month. The most precipitation recorded on a single day in August, according to August Rochester Weather data, was 3.31 inches on August 10, 1938.