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Water temperature in Hempstead Harbor (NY) in December

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Is it warm enough to swim in Hempstead Harbor in December? Average water temperature in Hempstead Harbor in December is 45.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Hempstead Harbor in December is 53.2°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 Hempstead Harbor

Changes water temperature in Hempstead Harbor in December 2024, 2023

To get an accurate forecast for the water temperature in Hempstead Harbor for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hempstead Harbor, 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 150.2°F49.6°F45.5°F53.2°F
December 250.2°F49.5°F45.7°F52.5°F
December 350°F49.3°F46°F51.8°F
December 450°F48.4°F46°F51.3°F
December 548.2°F48°F45.1°F50.7°F
December 649.3°F48°F45°F51.1°F
December 748.6°F49.1°F44.8°F51.3°F
December 847.3°F48.2°F44.2°F50.9°F
December 946.9°F46.9°F43.5°F50.4°F
December 1046.8°F46.6°F43.2°F50.2°F
December 1146.8°F47.5°F42.8°F50.4°F
December 1246.9°F47.1°F42.4°F50.2°F
December 1346.2°F46.9°F42.4°F50.2°F
December 1445.9°F46.6°F42.3°F50.4°F
December 1545°F46.2°F41.7°F51.4°F
Day 2024 2023 Min Max
December 1644.8°F46°F41.5°F50.9°F
December 1745.5°F45.9°F42.1°F50.2°F
December 1844.4°F46.6°F42.1°F49.6°F
December 1944.8°F46.2°F41.5°F48.7°F
December 2044.6°F44.6°F41°F48.7°F
December 2143°F45°F41.7°F48.7°F
December 2243.5°F44.8°F41°F48.6°F
December 2343.2°F44.4°F39.7°F48.6°F
December 2443.2°F45.1°F39.4°F49.5°F
December 2541.4°F44.2°F39.6°F49.3°F
December 2641.5°F44.1°F39.4°F49.1°F
December 2741.2°F43.7°F39.4°F49.3°F
December 2841.4°F43.5°F39.4°F49.1°F
December 2942.1°F45.1°F39°F48.9°F
December 3041.7°F44.8°F39.6°F48.6°F
December 3141.5°F44.6°F39.7°F48.7°F
Hempstead Harbor water temp chart in December

Average water temperature in Hempstead Harbor in December over a decade

20152016201720182019
49.8°F46.8°F47.5°F43°F44.1°F
20202021202220232024
46.4°F47.5°F45°F46.4°F45.3°F

Hempstead Harbor sea state in December

Chart comparing the height of waves in Hempstead Harbor 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 Hempstead Harbor in December

Hempstead Harbor 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
New York City46.8°F38.7°F54.3°F
Rye45.9°F39°F53.2°F
Glen Cove45.9°F39°F53.2°F
Rye Beach45.7°F38.7°F53.4°F
Lattingtown45.9°F39.2°F53.1°F
Port Chester45.9°F39°F53.2°F
Manorhaven45.7°F38.3°F53.4°F
Plandome45.7°F38.3°F53.4°F
Port Washington45.7°F38.3°F53.4°F
Port Washington North45.7°F38.3°F53.4°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 Hempstead Harbor 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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