Measurements:
°C
°F
Rochester
42°F
NW 6 mph
Feels like: 40°F
Precip: 0%
World Resorts USA Rochester Weather

Rochester Sea Water Temperature

Current Sea Water Temperature:
+39.0°F
Maximum Sea Water Temperature in January: 41.8°F
Minimum Sea Water Temperature in January: 36.8°F
Average water temperature in January: 39.0°F

Sea Water Temperature for the Last 10 Days:

January 08 39.0°F January 03 39.6°F
January 07 39.4°F January 02 39.4°F
January 06 39.6°F January 01 39.6°F
January 05 39.8°F December 31 39.6°F
January 04 39.6°F December 30 39.4°F

When is the Warmest Sea for Rochester?

According to our data for the last three years for Rochester the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

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.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Rochester was 74.9°F. The maximum and minimum values were 65.2°F and 79.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Rochester was 70.0°F. The maximum and minimum values were 66.8°F and 72.4°F respectively.

Best Time to Visit Rochester
The most sunny months:
September 13 days
July 12 days
August 10 days
The most warm months:
July 82.1 °F
August 79.8 °F
June 75.8 °F
Warmest sea temperature:
August 76.6 °F
July 74.6 °F
September 71.6 °F
The most cold months:
January 27.3 °F
February 29.2 °F
December 34.3 °F
The most rainy months:
August 3 days
April 3 days
October 2 days
The most windy months:
November 11 mph
March 11 mph
December 11 mph

Rochester on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Rochester
Local time: 15:30
08 jan, thursday
1800 38°F
NW
6 mph
2100 34°F
N
7 mph
09 jan, friday
0000 36°F
N
11 mph
0300 36°F
N
13 mph
0600 38°F
N
21 mph
0900 40°F
N
21 mph
1200 44°F
N
23 mph
1500 46°F
NE
22 mph