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Water temperature in Jennings Beach (CT) in December

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Is it warm enough to swim in Jennings Beach in December? Average water temperature in Jennings Beach in December is 46.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Jennings Beach in December is 53.8°F, and the coldest is 39.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Jennings Beach

Changes water temperature in Jennings Beach in December 2025, 2024

To get an accurate forecast for the water temperature in Jennings 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 Jennings 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 2025 2024 Min Max
December 149.5°F52°F47.8°F53.8°F
December 249.3°F51.8°F47.8°F52.5°F
December 348.7°F51.8°F47.8°F52.5°F
December 448.2°F51.1°F47.3°F51.8°F
December 548.2°F49.8°F46.9°F51.6°F
December 648°F49.6°F46.6°F51.4°F
December 747.1°F49.3°F46.6°F51.3°F
December 847.1°F48.7°F46°F50.9°F
December 946.9°F47.5°F45.7°F51.1°F
December 1046.8°F47.3°F45.5°F50.9°F
December 1145.9°F47.3°F45°F51.1°F
December 1245.1°F47.8°F44.6°F50.7°F
December 1345.1°F46.9°F44.4°F50.5°F
December 1444.8°F46.8°F44.2°F50.5°F
December 1544.2°F46°F44.1°F51.3°F
Day 2025 2024 Min Max
December 1644.1°F45.7°F42.4°F50.9°F
December 17 46.2°F44.6°F50.5°F
December 18 45.5°F42.1°F48.4°F
December 19 45.9°F42.1°F49.5°F
December 20 45.3°F43.7°F49.6°F
December 21 45.5°F42.3°F49.5°F
December 22 44.2°F42.1°F49.1°F
December 23 44.6°F44.6°F46°F
December 24 43.7°F40.5°F49.5°F
December 25 43.5°F41.9°F45°F
December 26 42.6°F41.4°F48.9°F
December 27 43°F41.5°F47.1°F
December 28 42.8°F39.9°F46.9°F
December 29 43.3°F39.9°F43.9°F
December 30 44.1°F40.1°F46.2°F
December 31 43.9°F39.6°F48.9°F
Jennings Beach water temp chart in December

Average water temperature in Jennings Beach in December over a decade

20152016201720182019
50.2°F46.8°F47.3°F44.6°F44.6°F
20202021202220232024
47.7°F48°F46.4°F47.1°F46.6°F

Jennings 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
Sherwood Island46.4°F39.7°F53.4°F
Norwalk46.4°F39.9°F52.5°F
Milford46.4°F39.7°F52.9°F
Miller Place46.8°F39.9°F53.6°F
Darien46.4°F39.7°F53.1°F
Mount Sinai46.8°F39.9°F53.4°F
Port Jefferson46.8°F39.9°F53.4°F
Nissequogue46.4°F39.7°F52.5°F
Sunken Meadow46.4°F39.7°F52.5°F
Smithtown46.4°F39.7°F52.5°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 Jennings 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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