World sea water temperatures

Water temperature in Jetties Beach (MA) in January

Is it warm enough to swim in Jetties Beach in January? Average water temperature in Jetties Beach in January is 41°F and therefore is not suitable for comfortable swimming. The warmest sea in Jetties Beach in January is 47.3°F, and the coldest is 34.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Jetties Beach

Changes water temperature in Jetties Beach in January 2025, 2024

To get an accurate forecast for the water temperature in Jetties Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Jetties Beach, 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 142.4°F46°F39°F46.9°F
January 242.3°F45.9°F39°F46.4°F
January 341.5°F45.5°F38.7°F45.7°F
January 441.5°F45.5°F38.8°F45.9°F
January 540.1°F44.4°F37.8°F46.2°F
January 640.1°F44.1°F37.8°F46.6°F
January 738.8°F44.1°F36.7°F46.6°F
January 838.5°F43.5°F37°F47.3°F
January 937.9°F43.2°F36.1°F46.4°F
January 1037.4°F43.2°F35.1°F46.2°F
January 1137.9°F43.5°F35.1°F45.3°F
January 1238.1°F43.7°F34.7°F44.8°F
January 1338.1°F43.5°F36.3°F45°F
January 1438.7°F43°F36.1°F44.8°F
January 1538.1°F43.5°F36.5°F44.6°F
Day 2025 2024 Min Max
January 1638.1°F43°F37°F44.4°F
January 1737.6°F41.5°F37.6°F44.1°F
January 1837.6°F41.9°F37.6°F43.3°F
January 1937.9°F41.7°F37.9°F43.7°F
January 2037.6°F40.5°F37.6°F43.5°F
January 2137.8°F39.2°F37.8°F44.2°F
January 2237.9°F39.9°F37.9°F43.5°F
January 2336.3°F39.7°F36.3°F43.9°F
January 2436.3°F39.6°F36.3°F44.1°F
January 2536.3°F39.4°F36.3°F44.2°F
January 2636.5°F39.2°F35.2°F44.1°F
January 2735.2°F39.2°F35.2°F44.1°F
January 2835.2°F40.8°F35.1°F43.3°F
January 2934.3°F40.8°F34.3°F43.2°F
January 3034.5°F41.2°F34.5°F42.6°F
January 3135.1°F40.8°F35.1°F42.6°F
Jetties Beach water temp chart in January

Average water temperature in Jetties Beach in January over a decade

20162017201820192020
42.3°F42.8°F37.8°F39.6°F41.2°F
20212022202320242025
41.4°F41.9°F42.8°F42.3°F37.9°F

Jetties Beach sea state in January

Chart comparing the height of waves in Jetties Beach 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 Jetties Beach in January

Jetties Beach 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
Dionis Beach40.6°F34.3°F47.3°F
South Beach40.6°F35.1°F47.3°F
Katama Beach40.6°F35.1°F47.3°F
Bank Street Beach40.6°F35.1°F47.1°F
Dennis Port40.1°F34°F47.1°F
Red River Beach41.4°F36.1°F47.3°F
Sea Street Beach40.1°F34°F47.1°F
Bass River39.7°F33.1°F46.9°F
Smugglers Beach39.7°F33.1°F46.9°F
Hardings Beach41.9°F37°F47.5°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 Jetties Beach 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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