World sea water temperatures

Water temperature in San Jose (CA) in January

Is it warm enough to swim in San Jose in January? Average water temperature in San Jose in January is 52.5°F and therefore is not suitable for comfortable swimming. The warmest sea in San Jose in January is 55.9°F, and the coldest is 50.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Jose

Changes water temperature in San Jose in January 2025, 2024

To get an accurate forecast for the water temperature in San Jose 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 Jose, 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 154.5°F55.6°F51.3°F55.6°F
January 254.1°F55.6°F51.1°F55.6°F
January 353.6°F55°F51.1°F55°F
January 453.2°F54.1°F50.7°F54.1°F
January 553.1°F54.5°F50.9°F54.5°F
January 653.4°F54.1°F50.7°F54.7°F
January 753.8°F53.6°F50.9°F54.5°F
January 852.9°F53.2°F51.1°F54.9°F
January 953.6°F53.4°F51.1°F54.9°F
January 1053.8°F52.9°F50.7°F55°F
January 1153.4°F52.5°F51.1°F55°F
January 1253.1°F52.3°F50.7°F54.9°F
January 1352.9°F52.3°F50.9°F54.7°F
January 1453.1°F52.5°F50.9°F54.7°F
January 1552.9°F52.7°F50.5°F54.7°F
Day 2025 2024 Min Max
January 1651.6°F52.7°F50.7°F55°F
January 1752.2°F53.2°F50.7°F55.2°F
January 1852.5°F53.4°F50.5°F55.6°F
January 1952.2°F53.4°F50.7°F55.6°F
January 2053.2°F53.2°F50.7°F55°F
January 2152.2°F53.2°F51.1°F55.2°F
January 2251.3°F53.1°F50.7°F55°F
January 2352.5°F53.4°F51.1°F55.2°F
January 2452.5°F53.4°F50.7°F55.6°F
January 2552.3°F54.9°F50.7°F55.9°F
January 2652.2°F54.9°F50.9°F55.6°F
January 2752°F54.7°F50.9°F55.8°F
January 2851.8°F54.9°F50.5°F55.2°F
January 2951.3°F55.6°F50.5°F55.6°F
January 3052.2°F55°F50.4°F55.2°F
January 3152°F54.7°F50.4°F55.2°F
San Jose water temp chart in January

Average water temperature in San Jose in January over a decade

20162017201820192020
53.4°F52°F53.8°F52.9°F52.7°F
20212022202320242025
52.5°F52.7°F52.2°F53.8°F52.7°F

San Jose sea state in January

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

San Jose 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

Best Beach Resorts in California in January

Places with the warmest average sea water temperature in California in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Diego59°F55.9°F62.4°F
Santa Monica58.6°F54.7°F62.2°F
La Jolla Cove59°F55.4°F62.1°F
Lake Tahoe43°F40.1°F45.7°F
Los Angeles58.5°F54.5°F62.4°F
Foster City52.5°F50.4°F55.8°F
Mountain View52.5°F50.2°F55.9°F
Palo Alto52.5°F50.2°F55.9°F
Coyote Point52.5°F50.2°F55.8°F
San Mateo52.5°F50.2°F55.8°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 San Jose 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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