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Water temperature in Folsom Lake (CA) in May

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Is it warm enough to swim in Folsom Lake in May? Average water temperature in Folsom Lake in May is 66.2°F and therefore is not suitable for comfortable swimming. The warmest water in Folsom Lake in May is 75.2°F, and the coldest is 55.4°F. To find out the water temperature today and in the coming days, go to Current water temperature in Folsom Lake

Changes water temperature in Folsom Lake in May 2025, 2024

To get an accurate forecast for the water temperature in Folsom Lake 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
May 162.6°F64.4°F
May 264.4°F64.4°F
May 366.2°F62.6°F
May 4 60.8°F
May 566.2°F60.8°F
May 666.2°F60.8°F
May 768°F60.8°F
May 868°F62.6°F
May 969.8°F64.4°F
May 1069.8°F66.2°F
May 1168°F68°F
May 1268°F69.8°F
May 1368°F69.8°F
May 1466.2°F71.6°F
May 1566.2°F69.8°F
Day 2025 2024
May 1664.4°F69.8°F
May 1766.2°F68°F
May 1868°F68°F
May 1969.8°F68°F
May 2069.8°F68°F
May 2169.8°F68°F
May 2269.8°F68°F
May 2369.8°F66.2°F
May 2468°F66.2°F
May 2568°F68°F
May 2668°F68°F
May 2768°F66.2°F
May 2869.8°F68°F
May 2971.6°F69.8°F
May 3073.4°F69.8°F
May 3173.4°F73.4°F

Folsom Lake 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 May?

Want to know where the water temperature in May 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 Folsom Lake 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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