World sea water temperatures

Water temperature in Old Saybrook (CT) in January

Is it warm enough to swim in Old Saybrook in January? Average water temperature in Old Saybrook in January is 41.2°F and therefore is not suitable for comfortable swimming. The warmest sea in Old Saybrook in January is 48.6°F, and the coldest is 35.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Old Saybrook

Changes water temperature in Old Saybrook in January 2025, 2024

To get an accurate forecast for the water temperature in Old Saybrook for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Old Saybrook, 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 145.3°F46°F40.6°F48.6°F
January 243.9°F46°F40.1°F48.2°F
January 343.9°F46.2°F40.6°F48°F
January 443.5°F46.2°F38.5°F47.3°F
January 542.6°F46°F39.4°F46.6°F
January 642.4°F45.5°F39°F46.4°F
January 742.8°F45.1°F39.2°F46.2°F
January 841.9°F44.2°F39°F46°F
January 941.9°F44.1°F38.3°F45.9°F
January 1040.5°F45°F38.1°F46.8°F
January 1141°F44.8°F37.8°F46°F
January 1240.1°F43.9°F37.8°F45.5°F
January 1340.8°F44.8°F37.4°F45.3°F
January 1439.9°F44.1°F37°F44.8°F
January 1540.1°F44.4°F36.7°F44.4°F
Day 2025 2024 Min Max
January 1640.1°F44.1°F36°F44.2°F
January 1739.9°F44.1°F36°F44.1°F
January 1839.6°F43.9°F35.6°F43.9°F
January 1939.4°F43.3°F35.8°F43.3°F
January 2039°F41.5°F36.1°F43.3°F
January 2139°F41.4°F36.3°F43.5°F
January 2238.8°F41.2°F36.7°F42.8°F
January 2337.9°F40.6°F37°F42.4°F
January 2437.2°F40.3°F36.9°F42.4°F
January 2538.1°F40.1°F36.7°F42.4°F
January 2637.9°F38.8°F36.7°F43.2°F
January 2737.8°F38.7°F36.3°F43.2°F
January 2837.6°F38.7°F36.3°F42.8°F
January 2938.7°F38.7°F36.5°F42.3°F
January 3037.9°F38.7°F36.3°F42.3°F
January 3137.8°F38.7°F36.3°F41.9°F
Old Saybrook water temp chart in January

Average water temperature in Old Saybrook in January over a decade

20162017201820192020
44.1°F41.7°F37.8°F40.8°F41.7°F
20212022202320242025
42.4°F42.6°F42.1°F42.8°F40.3°F

Old Saybrook sea state in January

Chart comparing the height of waves in Old Saybrook 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 Old Saybrook in January

Old Saybrook 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
Saybrook Manor41.2°F35.6°F48.6°F
Westbrook41°F35.4°F48.6°F
Old Lyme41.4°F36°F48.6°F
Hammonasset Beach40.8°F35.1°F48.4°F
Madison40.6°F34.9°F48.6°F
Rocky Neck41.7°F36.3°F48.9°F
Waterford41.9°F36.5°F49.1°F
Greenport41°F35.6°F48.2°F
Shelter Island Heights41°F35.6°F48.2°F
Guilford40.3°F34.7°F48.6°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 Old Saybrook 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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