World sea water temperatures

Water temperature in Slaughter Beach (DE) in January

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Is it warm enough to swim in Slaughter Beach in January? Average water temperature in Slaughter Beach in January is 40.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Slaughter Beach in January is 49.6°F, and the coldest is 32°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Slaughter Beach

Changes water temperature in Slaughter Beach in January 2025, 2024

To get an accurate forecast for the water temperature in Slaughter 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 Slaughter 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 144.1°F45.7°F38.7°F49.6°F
January 243.7°F45°F39°F49.5°F
January 342.4°F44.6°F39.7°F49.1°F
January 442.4°F43.3°F39°F48.4°F
January 539.7°F43.3°F37.4°F47.8°F
January 640.1°F41.7°F37.4°F47.8°F
January 739.9°F42.4°F37.2°F47.5°F
January 839.6°F41.9°F35.8°F47.5°F
January 938.5°F42.3°F35.2°F46.6°F
January 1038.3°F44.6°F34.2°F46.9°F
January 1138.5°F44.6°F35.8°F46.4°F
January 1234.7°F44.1°F34.7°F45.9°F
January 1336.5°F45.7°F35.1°F45.7°F
January 1436.5°F45.1°F35.1°F45.1°F
January 1536°F44.4°F34.2°F44.6°F
Day 2025 2024 Min Max
January 1636.1°F41.4°F33.3°F45.7°F
January 1736.1°F41.5°F33.3°F45°F
January 1835.4°F41.7°F32°F44.2°F
January 1934.3°F41.5°F32.9°F44.2°F
January 2034.9°F40.6°F33.3°F45.1°F
January 2136.3°F40.1°F33.6°F45°F
January 2233.6°F39.7°F33.6°F44.6°F
January 2334.7°F37.9°F34.7°F44.6°F
January 2433.3°F38.7°F33.3°F44.8°F
January 2533.4°F39.4°F33.4°F44.4°F
January 2633.6°F38.3°F33.6°F44.2°F
January 2733.8°F39.9°F33.8°F43.9°F
January 2833.3°F39.9°F33.3°F43.7°F
January 2934.3°F39.9°F34.3°F43.5°F
January 3035.1°F39.9°F34.7°F46.9°F
January 3135.2°F41.4°F34.7°F46.9°F
Slaughter Beach water temp chart in January

Average water temperature in Slaughter Beach in January over a decade

20162017201820192020
43°F41.2°F36°F41.2°F42.3°F
20212022202320242025
41.5°F40.1°F42.4°F41.9°F36.9°F

Slaughter Beach sea state in January

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

Slaughter 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
Broadkill Beach41°F32.7°F50°F
Delaware Bay39.9°F31.1°F49.1°F
Bowers39.6°F31.1°F49.1°F
Cape Henlopen41.9°F34.2°F50.9°F
Cape May Point41.4°F33.6°F50.2°F
Lower Township41°F33.3°F49.8°F
Dover39°F30.7°F49.5°F
Towers Beach42.4°F34.9°F51.6°F
Rehoboth Bay42.4°F34.7°F51.4°F
Villas39.9°F32°F48.7°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 Slaughter 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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