World sea water temperatures

Water temperature in Niantic (CT) in January

Is it warm enough to swim in Niantic in January? Average water temperature in Niantic in January is 41.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Niantic in January is 49.1°F, and the coldest is 36.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Niantic

Changes water temperature in Niantic in January 2025, 2024

To get an accurate forecast for the water temperature in Niantic for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Niantic, 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 145.5°F46°F41°F49.1°F
January 244.1°F46.4°F40.5°F48.7°F
January 344.6°F46.8°F41.2°F48.4°F
January 444.4°F46.6°F38.5°F47.7°F
January 543.7°F46.2°F39.7°F47.1°F
January 643.3°F45.7°F39.4°F46.9°F
January 743.2°F45.3°F39.9°F46.8°F
January 842.8°F45.9°F39.6°F46.6°F
January 942.3°F45°F38.7°F46.6°F
January 1041.5°F45.5°F38.7°F46.8°F
January 1141.9°F45.1°F38.5°F46.4°F
January 1241°F44.4°F38.3°F46.4°F
January 1341.2°F45.7°F37.8°F46.4°F
January 1441.2°F44.8°F37.6°F45.7°F
January 1540.6°F45°F37.2°F45°F
Day 2025 2024 Min Max
January 1640.5°F44.4°F36.7°F44.8°F
January 1740.1°F43.7°F36.5°F44.6°F
January 1840.1°F43.9°F36.3°F44.4°F
January 1939.9°F43.5°F36.5°F43.9°F
January 2039.7°F42.1°F36.9°F43.9°F
January 2139.2°F41.9°F37°F44.2°F
January 2239.2°F41.7°F37.2°F43.3°F
January 2338.5°F41°F37.8°F43.3°F
January 2438.1°F40.6°F37.4°F43.3°F
January 2538.3°F40.3°F37.2°F43.3°F
January 2638.1°F39.7°F37°F43.7°F
January 2738.8°F39.4°F36.7°F43.9°F
January 2838.7°F39.4°F36.9°F43.5°F
January 2939.4°F39.2°F37°F43°F
January 3038.7°F39°F36.9°F43°F
January 3138.5°F39°F36.7°F42.6°F
Niantic water temp chart in January

Average water temperature in Niantic in January over a decade

20162017201820192020
44.6°F42.1°F38.3°F41.5°F42.4°F
20212022202320242025
43.2°F43.2°F42.8°F43.3°F40.8°F

Niantic sea state in January

Chart comparing the height of waves in Niantic 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 Niantic in January

Niantic 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
Rocky Neck41.7°F36.3°F48.9°F
Waterford41.9°F36.5°F49.1°F
Old Lyme41.4°F36°F48.6°F
Ocean Beach Park42.1°F36.9°F49.5°F
Noank42.3°F37°F49.6°F
Old Saybrook41.2°F35.6°F48.6°F
Saybrook Manor41.2°F35.6°F48.6°F
Plum Island41.7°F36.7°F48.7°F
Westbrook41°F35.4°F48.6°F
Orient Point41.7°F36°F48.6°F

Niantic photo gallery

  • Looking towards Fisher Island NY  Sunrise
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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 Niantic 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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