Measurements:
°C
°F
Rochester
70°F
N 10 mph
Feels like: 70°F
Precip: 12%
World Resorts USA Rochester Weather May Weather in Rochester

Rochester Weather: May

Average Day Temperature: 64.1°F
Average Night Temperature: 50.2°F
Sea Water Temperature: 46.4°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.1 - 15.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.9 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 96°F. The lowest night temperature was 32°F. The average values for day and night temperatures during May were 65.6°F и 49.0°F respectivly.

Rochester Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Rochester was 43.8°F. The maximum and minimum values were 35.4°F and 49.6°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in May, in

Precipitation total in May for Rochester is 0.9 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 8.1 mph.

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 May is 7.8 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 80.0 °F
June 76.5 °F
Warmest sea temperature:
August 76.4 °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:
July 2 days
October 2 days
August 2 days
The most windy months:
March 11 mph
November 11 mph
December 11 mph

Rochester on the Weather Map

USA Resorts:
NAME
Boston +64
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +74
Maui +66
Miami +92
Myrtle Beach +88
New York +72
Panama City Beach +90
San Diego +72
San Francisco +60
Santa Monica +72
Sarasota +94
Washington +76
24 Hours Weather Forecast
Rochester
Local time: 11:07
15 sep, tuesday
1200 70°F
N
10 mph
1500 78°F
N
9 mph
1800 80°F
N
8 mph
2100 74°F
N
12 mph
16 sep, wednesday
0000 70°F
N
9 mph
0300 70°F
N
9 mph
0600 70°F
NE
9 mph
0900 70°F
E
8 mph