World sea water temperatures

Water temperature in Dionis Beach (MA) in December

Is it warm enough to swim in Dionis Beach in December? Average water temperature in Dionis Beach in December is 45.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Dionis Beach in December is 51.4°F, and the coldest is 39°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Dionis Beach

Changes water temperature in Dionis Beach in December 2024, 2023

To get an accurate forecast for the water temperature in Dionis 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 Dionis Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
December 148.4°F46.9°F45.9°F50.9°F
December 246.9°F47.3°F46.2°F50.5°F
December 345.7°F47.5°F45.7°F51.4°F
December 446.8°F46.6°F45.7°F51.1°F
December 544.4°F46.9°F44.4°F50.9°F
December 646.2°F46.6°F45.1°F50.5°F
December 744.8°F45.3°F43.7°F50.7°F
December 845.9°F45.9°F43.5°F50.9°F
December 945°F45.1°F43.7°F50.4°F
December 1043.9°F45.9°F43.7°F50.2°F
December 1144.1°F46.9°F43.5°F49.6°F
December 1244.2°F45.9°F42.8°F49.6°F
December 1344.4°F45.9°F42.3°F49.6°F
December 1443.2°F45°F41.9°F49.1°F
December 1544.1°F44.4°F41.7°F49.6°F
Day 2024 2023 Min Max
December 1644.8°F45.1°F41.2°F49.6°F
December 1743.9°F45.3°F41.4°F48.9°F
December 1843.9°F46.2°F40.6°F48.7°F
December 1943.7°F45.5°F40.6°F47.8°F
December 2043.9°F45.3°F40.5°F47.5°F
December 2144.1°F45.5°F41.4°F47.1°F
December 2243°F44.4°F39.7°F47.7°F
December 2343.2°F44.2°F40.1°F47.3°F
December 2443.3°F44.4°F40.6°F47.8°F
December 2542.8°F44.1°F41°F47.8°F
December 2642.3°F43.9°F40.8°F48°F
December 2742.1°F43.2°F40.1°F48.4°F
December 2841.5°F43.5°F40.8°F48°F
December 2941.5°F45.9°F39°F46.9°F
December 3042.3°F44.8°F39.9°F46.6°F
December 3141.7°F45.7°F39.4°F47.3°F
Dionis Beach water temp chart in December

Average water temperature in Dionis Beach in December over a decade

20152016201720182019
48°F45°F45.1°F43.3°F43.2°F
20202021202220232024
46.4°F45.7°F45.1°F45.5°F44.1°F

Dionis Beach sea state in December

Chart comparing the height of waves in Dionis Beach in December 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 Dionis Beach in December

Dionis 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 December?

Want to know where the water temperature in December 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 December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
South Beach46.2°F40.6°F52.5°F
Katama Beach46.2°F40.6°F52.5°F
Edgartown45.5°F39.6°F52.5°F
New Seabury44.4°F37.9°F51.8°F
Dennis Port44.8°F37.2°F50.9°F
Sea Street Beach44.8°F37.2°F50.9°F
Bass River44.4°F36.9°F50.9°F
Smugglers Beach44.4°F36.9°F50.9°F
Bank Street Beach45.1°F38.7°F51.1°F
West Yarmouth44.2°F37°F50.9°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 Dionis 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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