Measurements:
°C
°F
Rochester
72°F
E 7 mph
Feels like: 72°F
Precip: 14%
World Resorts USA Rochester Weather August Weather in Rochester

Rochester Weather: August

Average Day Temperature: 79.8°F
Average Night Temperature: 66.1°F
Sea Water Temperature: 76.5°F
Number of Sunny Days: 10 days
Sunshine Hours: 13.2 - 14.5 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.3 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 99°F. The lowest night temperature was 51°F. The average values for day and night temperatures during August were 82.0°F и 64.6°F respectivly.

Rochester Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2025 for Rochester was 76.1°F. The maximum and minimum values were 72.0°F and 79.2°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Rochester is 1.3 in. It makes august the most rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 7.0 mph. It makes August the most windless month of the year for Rochester.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rochester in August is 7.7 hours.

Best Time to Visit Rochester
The most sunny months:
July 14 days
September 13 days
June 11 days
The most warm months:
July 82.8 °F
August 79.8 °F
June 76.5 °F
Warmest sea temperature:
August 76.5 °F
July 74.5 °F
September 71.6 °F
The most cold months:
January 26.7 °F
February 28.7 °F
December 34.3 °F
The most rainy months:
August 3 days
October 2 days
July 2 days
The most windy months:
March 11 mph
November 11 mph
December 11 mph

Rochester on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +82
Hawaii +84
Houston +108
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Rochester
Local time: 17:26
25 aug, tuesday
1800 72°F
E
7 mph
2100 72°F
NE
6 mph
26 aug, wednesday
0000 66°F
E
10 mph
0300 64°F
NE
9 mph
0600 64°F
NE
7 mph
0900 66°F
NE
7 mph
1200 74°F
SE
2 mph
1500 76°F
SW
6 mph