World sea water temperatures

Water temperature in Fontana (CA) in January

Is it warm enough to swim in Fontana in January? Average water temperature in Fontana in January is 53.1°F and therefore is not suitable for comfortable swimming. The warmest water in Fontana in January is 62.6°F, and the coldest is 46.4°F. To find out the water temperature today and in the coming days, go to Current water temperature in Fontana

Changes water temperature in Fontana in January 2025, 2024

To get an accurate forecast for the water temperature in Fontana for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024
January 155.4°F51.8°F
January 2 51.8°F
January 355.4°F50°F
January 455.4°F50°F
January 557.2°F50°F
January 657.2°F48.2°F
January 755.4°F48.2°F
January 855.4°F46.4°F
January 957.2°F46.4°F
January 1055.4°F46.4°F
January 1155.4°F46.4°F
January 1255.4°F46.4°F
January 1353.6°F46.4°F
January 1453.6°F48.2°F
January 1551.8°F50°F
Day 2025 2024
January 1651.8°F50°F
January 1751.8°F51.8°F
January 1851.8°F51.8°F
January 1951.8°F51.8°F
January 2051.8°F53.6°F
January 2153.6°F53.6°F
January 2253.6°F53.6°F
January 2353.6°F53.6°F
January 2453.6°F53.6°F
January 2553.6°F53.6°F
January 2653.6°F55.4°F
January 2751.8°F57.2°F
January 2850°F57.2°F
January 2948.2°F57.2°F
January 3050°F57.2°F
January 3150°F57.2°F

Fontana 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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[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 Fontana 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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