Measurements:
°C
°F
Old Saybrook
12°F
S 9 mph
Feels like: 6°F
Precip: 0%
World Resorts USA Old Saybrook Weather May Weather in Old Saybrook

Old Saybrook Weather: May

Average Day Temperature: 64.6°F
Average Night Temperature: 52.1°F
Sea Water Temperature: 53.0°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.0 - 14.9 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.1 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 76°F. The lowest night temperature was 42°F. The average values for day and night temperatures during May were 65.5°F и 53.0°F respectivly.

Old Saybrook Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Old Saybrook was 53.0°F. The maximum and minimum values were 48.6°F and 56.6°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 Old Saybrook is 1.1 in.

Wind Speed in May, mph

The average wind speed in May is 8.6 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 Old Saybrook in May is 7.3 hours.

Best Time to Visit Old Saybrook
The most sunny months:
November 17 days
September 14 days
October 14 days
The most warm months:
July 83.5 °F
August 81.7 °F
June 76.0 °F
Warmest sea temperature:
August 74.1 °F
July 72.4 °F
September 71.8 °F
The most cold months:
January 35.2 °F
February 36.5 °F
December 40.9 °F
The most rainy months:
October 4 days
July 3 days
April 3 days
The most windy months:
January 11 mph
November 10 mph
March 10 mph

Old Saybrook on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Old Saybrook
Local time: 01:44
05 dec, friday
0300 12°F
S
9 mph
0600 10°F
S
4 mph
0900 14°F
S
2 mph
1200 24°F
N
6 mph
1500 24°F
NE
7 mph
1800 26°F
N
4 mph
2100 28°F
N
4 mph
06 dec, saturday
0000 28°F
N
2 mph