World sea water temperatures

Water temperature in Grand Isle (VT) in December

Is it warm enough to swim in Grand Isle in December? Average water temperature in Grand Isle in December is 42.8°F and therefore is not suitable for comfortable swimming. The warmest water in Grand Isle in December is 48.6°F, and the coldest is 37.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Grand Isle

Changes water temperature in Grand Isle in December 2024, 2023

To get an accurate forecast for the water temperature in Grand Isle for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Grand Isle, 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 146.4°F44.8°F44.8°F48.4°F
December 245.1°F44.8°F44.8°F48.4°F
December 344.8°F45°F43.7°F48.2°F
December 444.6°F45°F43.9°F48.2°F
December 544.8°F45°F44.1°F48.6°F
December 644.6°F45.1°F44.2°F48.2°F
December 744.2°F42.8°F42.8°F47.8°F
December 844.2°F42.6°F42.1°F47.3°F
December 943.7°F42.4°F41.9°F46.9°F
December 1043.3°F42.1°F41.7°F46.8°F
December 1143°F41.9°F41.5°F45.1°F
December 1242.8°F42.8°F41.4°F45.9°F
December 1342.8°F42.3°F41.2°F45.5°F
December 1442.8°F42.1°F41.2°F45.9°F
December 1542.8°F41.9°F41.4°F44.1°F
Day 2024 2023 Min Max
December 1642.8°F41.9°F41.4°F46°F
December 1742.6°F41.9°F41.9°F46.4°F
December 1842.6°F41.9°F41.5°F44.6°F
December 1942.6°F41.9°F41.5°F45.7°F
December 2042.4°F41.9°F41.9°F45.7°F
December 2141.9°F41.5°F41°F45°F
December 2241.2°F40.8°F40.5°F43.9°F
December 2340.5°F40.3°F40.3°F40.8°F
December 2439.9°F39.6°F39.2°F43.5°F
December 2539.2°F38.8°F38.7°F41.5°F
December 2638.5°F38.3°F37.9°F41.9°F
December 2737.8°F37.6°F37.2°F40.6°F
December 2838.1°F37.8°F37.6°F40.6°F
December 2938.3°F38.1°F37.8°F40.8°F
December 3038.5°F38.3°F38.3°F41°F
December 3138.7°F38.7°F38.3°F42.6°F
Grand Isle water temp chart in December

Average water temperature in Grand Isle in December over a decade

20152016201720182019
45.5°F44.6°F43.5°F41.5°F41°F
20202021202220232024
42.4°F42.3°F42.3°F41.5°F42.1°F

Grand Isle 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
Swanton42.3°F35.6°F48.7°F
Alexandria Bay45°F41.4°F49.8°F
Clayton44.4°F40.3°F49.1°F
Gananoque44.6°F40.1°F49.6°F
Dexter41.9°F35.1°F48.7°F
Henderson Harbor42.3°F35.2°F49.1°F
Pillar Point42.3°F35.2°F49.1°F
Sackets Harbor42.3°F35.2°F49.1°F
Southwick Beach43.7°F38.1°F49.1°F
Kingston43°F36.5°F50.7°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 Grand Isle 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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