World sea water temperatures

Water temperature in Swansea (MA) in January

Is it warm enough to swim in Swansea in January? Average water temperature in Swansea in January is 41.2°F and therefore is not suitable for comfortable swimming. The warmest sea in Swansea in January is 47.5°F, and the coldest is 35.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Swansea

Changes water temperature in Swansea in January 2025, 2024

To get an accurate forecast for the water temperature in Swansea for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Swansea, 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 143°F44.8°F40.5°F47.5°F
January 242.1°F44.4°F40.1°F47.1°F
January 341.5°F44.1°F41°F46.6°F
January 442.3°F44.1°F37.8°F46.6°F
January 540.8°F44.8°F36.9°F46.6°F
January 640.5°F43.9°F39.6°F45.9°F
January 741°F43.9°F41°F45.9°F
January 838.8°F43.3°F38.5°F43.5°F
January 937.6°F42.1°F35.2°F45.9°F
January 1037.4°F43.7°F37.4°F46.2°F
January 1137.6°F43°F35.8°F46°F
January 1237.8°F42.8°F36°F45.9°F
January 1338.3°F43.3°F36.9°F45.9°F
January 1437.4°F42.8°F37°F45.7°F
January 1537.6°F42.3°F37.2°F42.3°F
Day 2025 2024 Min Max
January 1637°F42.1°F37°F44.4°F
January 1737.4°F41.7°F37°F44.8°F
January 1836.7°F41.2°F36.7°F44.4°F
January 1937.8°F41.2°F37°F44.2°F
January 2037°F41°F37°F44.4°F
January 2137.4°F40.8°F37.4°F44.8°F
January 2236.7°F39.9°F36.7°F44.2°F
January 2336.1°F40.1°F36.1°F43.5°F
January 2436.3°F39.7°F36.3°F42.4°F
January 2537°F39.6°F37°F43.2°F
January 2636.9°F39.6°F36.9°F43°F
January 2736.7°F39.4°F36.7°F43.5°F
January 2836.1°F39.4°F36.1°F43.3°F
January 2937.2°F39.2°F36.9°F43°F
January 3036.1°F39.7°F36.1°F42.3°F
January 3136.3°F39.2°F36.3°F41.7°F
Swansea water temp chart in January

Average water temperature in Swansea in January over a decade

20162017201820192020
41.9°F41.7°F37.4°F40.8°F40.8°F
20212022202320242025
41.7°F41.5°F41°F41.7°F38.1°F

Swansea 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

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Our report for Swansea 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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