World Resorts USA Rochester Weather

Rochester weather in August

Weather in Rochester: August

Average day temperature: 76.8°F
Average night temperature: 64.5°F
Sea water temperature: 73.9°F
Number of sunny days: 10 days
Day length: 13.2 - 14.5 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 94°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 78.8°F and 63.1°F.

Sea water temperature in Rochester in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 73.5°F. The highest and lowest sea temperatures during the month were 76.3°F and 69.8°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Rochester in August is 1.3 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.0 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.8.

Best time for vacation in Rochester

Sunniest months:
July 14 days
September 13 days
June 11 days
Warmest months:
July 79.5 °F
August 76.8 °F
June 73.8 °F
Warmest sea temp:
August 74.0 °F
July 72.1 °F
September 69.4 °F
Coldest months:
January 29.1 °F
February 30.8 °F
December 35.8 °F
Rainiest months:
August 3 days
October 2 days
July 2 days
Windiest months:
March 11.0 mph
November 11.0 mph
December 10.8 mph

Rochester on a weather map

Rochester
+64°F
E 6 mph
Feels like: +64°F
Precip.: 19%
Places in USA:
Name
°F
+68°F
+75°F
+77°F
+77°F
+66°F
+77°F
+72°F
+73°F
+72°F
+70°F
+57°F
+66°F
+79°F
+81°F
+72°F
24 Hours Forecast
Rochester
Local time: 05:23
August 13, thursday
0600
64°F
E
6 mph
0900
70°F
E
6 mph
1200
77°F
SE
9 mph
1500
84°F
SE
9 mph
1800
77°F
E
9 mph
2100
68°F
E
8 mph
August 14, friday
0000
66°F
SE
6 mph
0300
64°F
SW
1 mph
Units of measurement: °C / °F