World sea water temperatures

Water temperature in Fontana (CA) in March

Is it warm enough to swim in Fontana in March? Average water temperature in Fontana in March is 55.6°F and therefore is not suitable for comfortable swimming. The warmest water in Fontana in March is 73.4°F, and the coldest is 37.4°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 March 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
March 160.8°F55.4°F
March 259°F53.6°F
March 357.2°F53.6°F
March 453.6°F53.6°F
March 551.8°F51.8°F
March 651.8°F53.6°F
March 751.8°F53.6°F
March 851.8°F53.6°F
March 953.6°F53.6°F
March 1051.8°F55.4°F
March 1151.8°F55.4°F
March 1251.8°F55.4°F
March 1351.8°F55.4°F
March 1451.8°F55.4°F
March 1551.8°F55.4°F
Day 2025 2024
March 1651.8°F55.4°F
March 1751.8°F57.2°F
March 1853.6°F57.2°F
March 1957.2°F59°F
March 2057.2°F59°F
March 2159°F59°F
March 2260.8°F59°F
March 2362.6°F57.2°F
March 2464.4°F57.2°F
March 2564.4°F55.4°F
March 2662.6°F55.4°F
March 2762.6°F53.6°F
March 2860.8°F53.6°F
March 2960.8°F53.6°F
March 3057.2°F53.6°F
March 3157.2°F55.4°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 March?

Want to know where the water temperature in March 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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