World sea water temperatures

Water temperature in Ephraim (WI) in December

Is it warm enough to swim in Ephraim in December? Average water temperature in Ephraim in December is 39.9°F and therefore is not suitable for comfortable swimming. The warmest water in Ephraim in December is 48.9°F, and the coldest is 32.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ephraim

Changes water temperature in Ephraim in December 2024, 2023

To get an accurate forecast for the water temperature in Ephraim for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Ephraim, 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 144.8°F39.9°F39.4°F48.9°F
December 245.7°F40.5°F39.6°F45.7°F
December 346°F40.8°F39.2°F46°F
December 445.9°F41°F39°F46.8°F
December 545.7°F41.2°F39.2°F46°F
December 645.5°F41.4°F38.5°F45.5°F
December 744.6°F40.5°F38.3°F44.6°F
December 843.3°F40.1°F38.3°F43.5°F
December 943.2°F40.1°F38.3°F44.1°F
December 1041.2°F39.7°F37.4°F43.7°F
December 1141°F39.4°F36.5°F44.1°F
December 1240.5°F39°F36.7°F43.5°F
December 1340.1°F39.6°F36.7°F43.5°F
December 1440.5°F39°F36.9°F43.7°F
December 1540.5°F39°F35.6°F43.3°F
Day 2024 2023 Min Max
December 1640.6°F39.2°F35.4°F42.8°F
December 1740.6°F39.2°F35.1°F43.7°F
December 1840.5°F39.2°F36.3°F43.2°F
December 1940.5°F38.5°F35.8°F43°F
December 2040.5°F38.8°F36.3°F42.8°F
December 2139.9°F38.7°F36.1°F41.7°F
December 2239.4°F38.3°F36.3°F41°F
December 2339°F37.8°F36.1°F41.2°F
December 2438.5°F37.2°F36.1°F42.6°F
December 2537.8°F40.6°F36.1°F41.7°F
December 2637.2°F39.9°F35.2°F40.8°F
December 2736.7°F38.8°F35.4°F41.2°F
December 2836.9°F38.8°F34.3°F41.2°F
December 2937°F38.5°F34.2°F41.2°F
December 3038.1°F37.9°F34.5°F40.3°F
December 3138.3°F38.3°F32.7°F40.3°F
Ephraim water temp chart in December

Average water temperature in Ephraim in December over a decade

20152016201720182019
43.2°F39.9°F40.1°F38.3°F40.1°F
20202021202220232024
41.5°F40.3°F39.4°F39.4°F41°F

Ephraim sea state in December

Chart comparing the height of waves in Ephraim 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 Ephraim in December

Ephraim water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperatura da água do Lago Michigan in December

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
Ellison Bay39.9°F33.1°F49.1°F
Rowleys Bay40.3°F33.8°F49.5°F
Jacksonport40.5°F34.2°F48.9°F
Whitefish Dunes40.6°F34.7°F48.7°F
Cave Point40.6°F34.7°F48.7°F
Cedar River38.7°F30°F47.7°F
Marinette37.9°F28.8°F47.3°F
Washington Island41.2°F35.6°F49.1°F
Sturgeon Bay39.6°F33.4°F47.3°F
Oconto36.7°F29.1°F45.3°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 Ephraim 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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