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Water temperature in Southold (NY) in January

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Is it warm enough to swim in Southold in January? Average water temperature in Southold in January is 41°F and therefore is not suitable for comfortable swimming. The warmest sea in Southold in January is 48.4°F, and the coldest is 34.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Southold

Changes water temperature in Southold in January 2025, 2024

To get an accurate forecast for the water temperature in Southold for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Southold, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
January 140.8°F43.5°F40.8°F48.4°F
January 240.1°F43.5°F40.1°F47.8°F
January 341.2°F44.6°F40.8°F48°F
January 441.7°F43.7°F39.4°F47.3°F
January 541.4°F41.9°F39.7°F46.6°F
January 641.4°F43.3°F39.7°F46.6°F
January 741.9°F43.5°F39.2°F46.4°F
January 841.5°F41.9°F39.4°F46.4°F
January 939.2°F43°F38.3°F46.6°F
January 1038.8°F40.5°F38.1°F47.1°F
January 1139.4°F41.9°F37.9°F46°F
January 1239.2°F42.4°F38.1°F45.7°F
January 1338.7°F42.3°F37.6°F45.7°F
January 1438.5°F41.5°F37.2°F45.7°F
January 1538.1°F42.4°F37°F45.5°F
Day 2025 2024 Min Max
January 1637.9°F42.4°F36.3°F45.3°F
January 1736.3°F41°F36.3°F44.6°F
January 1836.5°F41.9°F36.1°F44.2°F
January 1937°F41.9°F36.3°F44.1°F
January 2035.6°F40.6°F35.6°F44.2°F
January 2136.3°F39.2°F36.3°F44.6°F
January 2236.9°F40.1°F36.9°F43.7°F
January 2336.5°F39.9°F36.5°F43°F
January 2436.1°F39.7°F36.1°F43°F
January 2535.6°F39.7°F35.6°F42.8°F
January 2636°F39.6°F36°F42.6°F
January 2735.1°F39.6°F35.1°F43.7°F
January 2835.6°F39.6°F35.6°F43.3°F
January 2934.9°F39.4°F34.9°F43°F
January 3036°F39.6°F36°F42.8°F
January 3136.3°F39.4°F36.3°F42.4°F
Southold water temp chart in January

Average water temperature in Southold in January over a decade

20162017201820192020
44.1°F42.1°F38.1°F40.8°F41°F
20212022202320242025
41.4°F41.9°F41.4°F41.4°F38.1°F

Southold sea state in January

Chart comparing the height of waves in Southold in January 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 Southold in January

Southold 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 January?

Want to know where the water temperature in January 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 January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
New York City41.4°F34.9°F46.9°F
Breakwater Beach41°F33.4°F48.7°F
New Suffolk41.7°F34.5°F49.1°F
Gardiners Bay41.9°F35.8°F48.6°F
Orient Point41.7°F36°F48.6°F
Hammonasset Beach40.8°F35.1°F48.4°F
Shinnecock Hills43°F37.4°F50°F
Meschutt Beach43°F37.4°F50°F
Flanders41.5°F34.3°F49.5°F
Wainscott43.7°F38.5°F50.2°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 Southold 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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