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Water temperature in Constitution Beach (MA) in May

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Is it warm enough to swim in Constitution Beach in May? Average water temperature in Constitution Beach in May is 52°F and therefore is not suitable for comfortable swimming. The warmest sea in Constitution Beach in May is 63.1°F, and the coldest is 43.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Constitution Beach

Changes water temperature in Constitution Beach in May 2025, 2024

To get an accurate forecast for the water temperature in Constitution Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Constitution Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 148.9°F49.1°F43.7°F50.5°F
May 247.7°F48.9°F44.6°F50.5°F
May 349.6°F48.6°F45.3°F50.2°F
May 449.6°F48.6°F45.5°F50°F
May 549.3°F48°F46°F50.7°F
May 649.3°F48.7°F47.1°F51.3°F
May 751.3°F50°F47.3°F52.9°F
May 853.1°F51.6°F47.8°F55.2°F
May 952.3°F51.8°F48°F53.6°F
May 1052.3°F52.3°F48°F54°F
May 1152.3°F51.8°F46.9°F55°F
May 1252.7°F52.3°F47.1°F54.7°F
May 1352.3°F52°F48°F54.7°F
May 1453.4°F53.4°F47.7°F55.2°F
May 1554.9°F53.4°F48.2°F56.3°F
Day 2025 2024 Min Max
May 1654.5°F54.5°F48.7°F56.1°F
May 1754.3°F54.5°F48.4°F55.4°F
May 1856.7°F54.1°F48.2°F56.7°F
May 1955.8°F55°F48.9°F55.8°F
May 2054.5°F54.1°F48.7°F56.5°F
May 2153.8°F54°F48.9°F57.2°F
May 2253.6°F55.2°F49.8°F57.4°F
May 2353.4°F57°F50.2°F57.6°F
May 2453.4°F58.3°F50.7°F58.3°F
May 2553.1°F58.5°F52.3°F59°F
May 2652.3°F57.9°F52.3°F61.3°F
May 2753.6°F57.9°F52°F59.2°F
May 2854.1°F59.2°F52.7°F60.1°F
May 2954.7°F59.9°F52.7°F60.4°F
May 3054.5°F58.3°F53.2°F60.4°F
May 3155.9°F59.7°F52.9°F63.1°F
Constitution Beach water temp chart in May

Average water temperature in Constitution Beach in May over a decade

20162017201820192020
51.6°F50.9°F52°F51.4°F50.5°F
20212022202320242025
53.4°F52.9°F54.5°F53.8°F52.9°F

Constitution Beach water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in May?

Want to know where the water temperature in May is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
M Street Beach52°F43.7°F63.1°F
Hingham51.8°F43.3°F63.1°F
Hull51.8°F43.3°F63.1°F
Quincy51.8°F43.3°F63.1°F
Nantasket Beach51.6°F43.2°F63°F
Devereux Beach51.3°F43.2°F63.1°F
Weymouth51.4°F43.2°F63°F
Marblehead51.1°F43.2°F63.1°F
Beverly Cove51.1°F43.2°F63°F
Scituate51.3°F43.2°F63°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Constitution Beach is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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