World sea water temperatures

Water temperature in San Leon (TX) in January

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Is it warm enough to swim in San Leon in January? Average water temperature in San Leon in January is 58.1°F and therefore is not suitable for comfortable swimming. The warmest sea in San Leon in January is 69.4°F, and the coldest is 52.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Leon

Changes water temperature in San Leon in January 2025, 2024

To get an accurate forecast for the water temperature in San Leon for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in San Leon, 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 163.3°F57.7°F54.5°F69.4°F
January 263.1°F57.4°F53.8°F68.4°F
January 362.1°F56.5°F54.5°F67.3°F
January 463.1°F56.1°F55.4°F67.1°F
January 562.4°F55.6°F55.6°F66.2°F
January 661.5°F55°F55°F64.9°F
January 760.4°F56.7°F55.8°F64.8°F
January 860.1°F55.9°F55°F64°F
January 959.9°F54.3°F54.3°F63.5°F
January 1059.5°F55.4°F55°F62.1°F
January 1159.2°F55.8°F54.7°F64°F
January 1259.4°F55.8°F55.2°F63.9°F
January 1357.7°F55.8°F55.8°F62.4°F
January 1457.9°F56.1°F54.9°F60.1°F
January 1557.9°F56.5°F54.9°F60.8°F
Day 2025 2024 Min Max
January 1657.2°F56.7°F52.3°F61°F
January 1757.6°F57°F52.9°F62.1°F
January 1854.7°F57.4°F52.3°F62.1°F
January 1955°F56.5°F52.2°F63.1°F
January 2054.3°F55°F52.7°F63°F
January 2154.1°F55.2°F53.2°F63.3°F
January 2253.8°F54.7°F52.3°F63.7°F
January 2354°F54.5°F52.3°F62.8°F
January 2453.4°F54.9°F52.5°F62.4°F
January 2552.2°F55.2°F52.2°F61.9°F
January 2652.9°F55°F52.9°F61.5°F
January 2753.4°F55.6°F53.4°F61.2°F
January 2854°F54.5°F54°F60.8°F
January 2954.3°F54.9°F54.3°F61.2°F
January 3053.6°F54.7°F53.6°F60.4°F
January 3154.5°F54.1°F54.1°F60.6°F
San Leon water temp chart in January

Average water temperature in San Leon in January over a decade

20162017201820192020
58.8°F61.2°F55.4°F57.9°F59.7°F
20212022202320242025
56.8°F60.8°F59.5°F55.8°F57.4°F

San Leon sea state in January

Chart comparing the height of waves in San Leon 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 San Leon in January

San Leon 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
Shoreacres58.5°F50.5°F69.8°F
Galveston Bay58.1°F49.8°F68.9°F
Seabrook58.5°F51.3°F69.3°F
Crystal Beach58.1°F50.7°F68.7°F
Sunny Beach58.6°F51.1°F70°F
Jamaica Beach59°F52°F70°F
San Luis Pass59.5°F51.6°F69.8°F
Surfside Beach60.4°F52.7°F70.2°F
Freeport60.6°F52.9°F70°F
Sea Rim State Park57.9°F50°F70.2°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 San Leon 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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