World sea water temperatures

Water temperature in Cape May (NJ) in December

Is it warm enough to swim in Cape May in December? Average water temperature in Cape May in December is 47.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Cape May in December is 56.5°F, and the coldest is 39°F. Average high air temperature in Cape May in December is 47°F, and average low temperature is 32°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cape May

Changes water temperature in Cape May in December 2024, 2023

To get an accurate forecast for the water temperature in Cape May for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cape May, 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 153.1°F51.4°F48.6°F56.5°F
December 252°F50.9°F48°F55.6°F
December 351.3°F50.4°F47.8°F55°F
December 451.1°F51.3°F47.7°F54.3°F
December 550°F51.6°F47.5°F54.5°F
December 648.9°F50.5°F47.8°F53.2°F
December 748.7°F50.4°F46.4°F53.2°F
December 846°F50.4°F45°F52.5°F
December 946.6°F49.8°F45.3°F52°F
December 1046.4°F50.7°F46.2°F52.9°F
December 1146.8°F50.5°F45.9°F52°F
December 1248.4°F49.8°F45°F51.6°F
December 1348°F50°F44.4°F52°F
December 1447.8°F49.5°F44.4°F51.8°F
December 1547.1°F49.5°F44.6°F54.3°F
Day 2024 2023 Min Max
December 1646.8°F49.3°F44.6°F53.2°F
December 1746.6°F48.9°F45.1°F53.1°F
December 1847.3°F49.5°F43.5°F52.2°F
December 1947.8°F49.1°F43.7°F51.4°F
December 2047.5°F47.5°F43.3°F50.9°F
December 2145.7°F46.8°F41.2°F50.7°F
December 2244.4°F46.6°F41.4°F50.5°F
December 2344.4°F46.8°F41.2°F50.9°F
December 2444.4°F46.8°F39°F51.6°F
December 2543.7°F45.9°F39.6°F50.9°F
December 2643.7°F45.5°F40.1°F50°F
December 2742.8°F45.1°F40.5°F50.2°F
December 2843°F47.3°F39.7°F50.5°F
December 2943.7°F46.4°F40.1°F52°F
December 3045°F46.9°F39.2°F50.9°F
December 3145°F46.8°F41°F50.9°F
Cape May water temp chart in December

Average water temperature in Cape May in December over a decade

20152016201720182019
51.8°F47.8°F48.9°F46°F45.7°F
20202021202220232024
50°F49.5°F47.8°F48.7°F46.9°F

Cape May sea state in December

Chart comparing the height of waves in Cape May 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 Cape May in December

Weather and climate in Cape May in December

This data display average monthly climate indicators in Cape May in December based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature47°F
  • Average LOW temperature32°F
  • Average rainfall days10 days
  • Average rainfall89mm/3.5''
  • Average daylight9h
  • Average sunshine5h
  • Average UV index2
  • Average snowfall64mm/2.5''

Cape May 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
Diamond Beach48.2°F39°F56.7°F
Wildwood Crest47.5°F38.8°F56.1°F
Cape May Point46.9°F38.3°F55.9°F
Lower Township46.6°F38.1°F55.4°F
Stone Harbor48.2°F38.7°F56.7°F
Villas45.3°F37.2°F54°F
Avalon48.2°F39°F56.7°F
Cape Henlopen47.5°F38.7°F55.6°F
Sea Isle City47.8°F39°F56.5°F
Broadkill Beach46.6°F37.8°F55°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 Cape May 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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