World sea water temperatures

Water temperature in Washington DC (DC) in December

Is it warm enough to swim in Washington DC in December? Average water temperature in Washington DC in December is 42.6°F and therefore is not suitable for comfortable swimming. The warmest water in Washington DC in December is 50°F, and the coldest is 37.4°F. To find out the water temperature today and in the coming days, go to Current water temperature in Washington DC

Changes water temperature in Washington DC in December 2024, 2023

To get an accurate forecast for the water temperature in Washington DC for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023
December 139.2°F46.4°F
December 239.2°F46.4°F
December 339.2°F46.4°F
December 439.2°F46.4°F
December 539.2°F46.4°F
December 639.2°F46.4°F
December 739.2°F46.4°F
December 839.2°F46.4°F
December 942.8°F46.4°F
December 1042.8°F46.4°F
December 1142.8°F46.4°F
December 1242.8°F46.4°F
December 1341°F46.4°F
December 1441°F46.4°F
December 1541°F46.4°F
Day 2024 2023
December 1641°F46.4°F
December 1741°F46.4°F
December 1841°F46.4°F
December 1941°F42.8°F
December 2041°F42.8°F
December 2139.2°F41°F
December 2239.2°F41°F
December 2339.2°F41°F
December 2439.2°F42.8°F
December 2539.2°F44.6°F
December 2639.2°F46.4°F
December 2741°F46.4°F
December 2842.8°F46.4°F
December 2942.8°F46.4°F
December 3042.8°F46.4°F
December 3142.8°F44.6°F

Washington DC 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

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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 Washington DC 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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