World sea water temperatures

Water temperature in Osterville in May

Is it warm enough to swim in Osterville in May? Average water temperature in Osterville in May is 54°F and therefore is not suitable for comfortable swimming. The warmest sea in Osterville in May is 63.9°F, and the coldest is 46.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Osterville

Changes water temperature in Osterville in May 2025, 2024

To get an accurate forecast for the water temperature in Osterville for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Osterville, 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 152.7°F51.8°F46.6°F53.6°F
May 254.1°F51.3°F47.1°F54.1°F
May 353.6°F51.3°F47.3°F53.6°F
May 454.1°F51.8°F46.9°F54.1°F
May 554.7°F51.6°F47.7°F54.7°F
May 654.5°F51.6°F47.7°F54.5°F
May 756.8°F52.2°F47.1°F56.8°F
May 857.9°F52.2°F48°F57.9°F
May 957.2°F52.9°F49.1°F57.2°F
May 1058.1°F53.6°F48.9°F58.1°F
May 1158.6°F53.4°F48.6°F58.6°F
May 1258.5°F54.9°F48.7°F58.5°F
May 1356.8°F55°F48.6°F58.8°F
May 1458.8°F55.9°F48.4°F58.8°F
May 1558.6°F55.9°F49.8°F58.6°F
Day 2025 2024 Min Max
May 1658.5°F55.2°F50.4°F58.6°F
May 1760.6°F54.7°F49.8°F60.6°F
May 1861.9°F54.7°F50.2°F61.9°F
May 1961.2°F53.6°F50.5°F61.2°F
May 2058.8°F55°F50.4°F59.4°F
May 2158.5°F54.3°F51.3°F60.1°F
May 2256.1°F57.4°F51.6°F60.4°F
May 2353.6°F59.2°F52.2°F60.4°F
May 2455.4°F60.4°F52.7°F61.9°F
May 2554°F60.6°F53.8°F61.2°F
May 2655.9°F60.1°F54°F61.3°F
May 2755.8°F59.7°F53.8°F62.2°F
May 2855.8°F62.1°F54.3°F63.3°F
May 2955.8°F63.9°F54.3°F63.9°F
May 3055.9°F62.4°F55°F62.4°F
May 3158.8°F62.8°F55.2°F63.5°F
Osterville water temp chart in May

Average water temperature in Osterville in May over a decade

20162017201820192020
53.2°F52.7°F53.8°F54.1°F52.7°F
20212022202320242025
56.8°F54°F57.6°F55.8°F56.8°F

Osterville sea state in May

Chart comparing the height of waves in Osterville in May over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Osterville in May

Osterville 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
Mashpee54°F46.6°F63.5°F
Popponesset54°F46.6°F63.5°F
Craigville Beach53.6°F46°F63.7°F
Centerville53.6°F46°F63.7°F
Dowses Beach53.6°F46°F63.7°F
Covell's Beach53.6°F46°F63.7°F
New Seabury53.6°F46.6°F63.3°F
South Cape Beach53.8°F46.8°F63.5°F
Hyannis53.4°F45.7°F63.3°F
Kalmus Beach53.4°F45.7°F63.3°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 Osterville 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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