World sea water temperatures

Water temperature in West Dennis in January

Is it warm enough to swim in West Dennis in January? Average water temperature in West Dennis in January is 39.7°F and therefore is not suitable for comfortable swimming. The warmest sea in West Dennis in January is 46.9°F, and the coldest is 32.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in West Dennis

Changes water temperature in West Dennis in January 2025, 2024

To get an accurate forecast for the water temperature in West Dennis for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in West Dennis, 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 141.7°F42.8°F38.1°F46.9°F
January 240.6°F43.3°F37.9°F45.7°F
January 339.2°F43.3°F37.9°F45.1°F
January 440.8°F43.3°F37.2°F45.1°F
January 538.1°F41.5°F35.8°F45.7°F
January 639°F42.3°F35.2°F45.9°F
January 734.9°F42.8°F34.9°F45.7°F
January 834.9°F41.7°F34.9°F46.8°F
January 934.7°F41.5°F34.5°F45.5°F
January 1034.7°F40.1°F33.6°F45.1°F
January 1135.6°F40.6°F33.8°F43.7°F
January 1236.5°F41.7°F34°F43.5°F
January 1336.7°F41.7°F35.1°F43.7°F
January 1434.9°F40.6°F34.9°F43.7°F
January 1536.1°F41.5°F35.2°F43.5°F
Day 2025 2024 Min Max
January 1636.1°F41.5°F35.6°F43.3°F
January 1736.1°F38.8°F36°F42.1°F
January 1835.8°F39.9°F35.8°F42.3°F
January 1936.5°F39.9°F36.5°F42.3°F
January 2034°F39.7°F34°F42.4°F
January 2134.3°F36.1°F34.3°F43°F
January 2235.2°F37.6°F35.2°F42.3°F
January 2334.2°F37.9°F34.2°F41.9°F
January 2435.1°F38.1°F35.1°F42.1°F
January 2533.8°F38.5°F33.8°F42.1°F
January 2634.7°F38.7°F34.3°F42.1°F
January 2735.1°F38.8°F34.5°F42.1°F
January 2833.8°F39°F33.8°F41.7°F
January 2933.6°F39.7°F33.6°F41.7°F
January 3032.7°F39.7°F32.7°F41.5°F
January 3133.6°F39.6°F33.6°F41.7°F
West Dennis water temp chart in January

Average water temperature in West Dennis in January over a decade

20162017201820192020
41°F41.2°F36.3°F38.5°F39°F
20212022202320242025
40.1°F39.6°F41.4°F40.5°F36°F

West Dennis sea state in January

Chart comparing the height of waves in West Dennis 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 West Dennis in January

West Dennis 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
Bass River39.7°F33.1°F46.9°F
Smugglers Beach39.7°F33.1°F46.9°F
West Yarmouth39.4°F32.4°F46.9°F
Sea Gull Beach39.4°F32.4°F46.9°F
Seagull Beach39.4°F32.4°F46.9°F
Lewis Bay39.4°F32.4°F46.9°F
Sea Street Beach40.1°F34°F47.1°F
Colonial Acres Beach39.4°F32.4°F46.9°F
Hyannis39.2°F31.8°F46.8°F
Kalmus Beach39.2°F31.8°F46.8°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 West Dennis 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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