Is it warm enough to swim in Cold Storage Beach (Dennis) in January? Average water temperature in Cold Storage Beach (Dennis) in January is 40.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Cold Storage Beach (Dennis) in January is 46.6°F, and the coldest is 33.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cold Storage Beach (Dennis)
To get an accurate forecast for the water temperature in Cold Storage Beach (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 Cold Storage Beach (Dennis), the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
January 1 | 42.3°F | 42.1°F | 39°F | 46.4°F |
January 2 | 41.7°F | 42.6°F | 40.3°F | 45.9°F |
January 3 | 40.3°F | 43.5°F | 39.9°F | 45.5°F |
January 4 | 41.9°F | 42.8°F | 39°F | 45.3°F |
January 5 | 41.4°F | 41.4°F | 38.3°F | 45.5°F |
January 6 | 41.2°F | 42.3°F | 37.9°F | 45.7°F |
January 7 | 37.9°F | 42.6°F | 37.8°F | 45.7°F |
January 8 | 37°F | 41.7°F | 37°F | 46.6°F |
January 9 | 37.8°F | 42.1°F | 37.2°F | 45.1°F |
January 10 | 36.1°F | 39.6°F | 36.1°F | 44.8°F |
January 11 | 36.9°F | 40.5°F | 36.9°F | 43.9°F |
January 12 | 37.8°F | 41.9°F | 37.4°F | 43.5°F |
January 13 | 38.3°F | 41.2°F | 38.3°F | 43.7°F |
January 14 | 36.3°F | 40.5°F | 36.3°F | 43.7°F |
January 15 | 37.4°F | 41.9°F | 37.4°F | 43.5°F |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
January 16 | 37.8°F | 42.1°F | 37.8°F | 43.5°F |
January 17 | 37.4°F | 39.4°F | 37.4°F | 42.3°F |
January 18 | 37.4°F | 40.6°F | 37.4°F | 42.4°F |
January 19 | 38.5°F | 41°F | 37.9°F | 42.4°F |
January 20 | 35.4°F | 40.6°F | 35.4°F | 42.6°F |
January 21 | 36.3°F | 36.9°F | 36.3°F | 43°F |
January 22 | 36.7°F | 38.3°F | 36.7°F | 42.4°F |
January 23 | 34.7°F | 38.8°F | 34.7°F | 42.1°F |
January 24 | 35.4°F | 39.2°F | 35.4°F | 41.9°F |
January 25 | 34.9°F | 39.4°F | 34.9°F | 41.5°F |
January 26 | 36°F | 39.6°F | 35.6°F | 41.5°F |
January 27 | 36.5°F | 39.7°F | 35.8°F | 41.4°F |
January 28 | 34.7°F | 39.9°F | 34.7°F | 41.5°F |
January 29 | 34.9°F | 39.9°F | 34.9°F | 41.2°F |
January 30 | 33.3°F | 39.2°F | 33.3°F | 41.5°F |
January 31 | 34.7°F | 39.2°F | 34.3°F | 41.7°F |
2016 | 2017 | 2018 | 2019 | 2020 |
41.5°F | 41°F | 38.1°F | 39.9°F | 39.6°F |
2021 | 2022 | 2023 | 2024 | 2025 |
40.3°F | 40.6°F | 41.5°F | 40.6°F | 37.4°F |
Chart comparing the height of waves in Cold Storage Beach (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.
You can also view information about water temperature for other months by clicking on the month button below