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Water temperature in Lake Natoma (CA) in January

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Is it warm enough to swim in Lake Natoma in January? Average water temperature in Lake Natoma in January is 47.8°F and therefore is not suitable for comfortable swimming. The warmest water in Lake Natoma in January is 55.4°F, and the coldest is 41°F. To find out the water temperature today and in the coming days, go to Current water temperature in Lake Natoma

Changes water temperature in Lake Natoma in January 2026, 2025

To get an accurate forecast for the water temperature in Lake Natoma 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 2026 2025
January 150°F51.8°F
January 251.8°F50°F
January 351.8°F48.2°F
January 453.6°F48.2°F
January 553.6°F50°F
January 653.6°F50°F
January 753.6°F50°F
January 851.8°F50°F
January 950°F50°F
January 10 50°F
January 11 50°F
January 12 50°F
January 13 48.2°F
January 14 48.2°F
January 15 48.2°F
Day 2026 2025
January 16 46.4°F
January 17 46.4°F
January 18 46.4°F
January 19 46.4°F
January 20 46.4°F
January 21 46.4°F
January 22 46.4°F
January 23 46.4°F
January 24 46.4°F
January 25 46.4°F
January 26 46.4°F
January 27 46.4°F
January 28 44.6°F
January 29 44.6°F
January 30 46.4°F
January 31 48.2°F

Average water temperature in Lake Natoma in January over a decade

20162017201820192020
48.4°F46.9°F
20212022202320242025
47.8°F46°F48°F49.6°F47.8°F

Lake Natoma 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 Lake Natoma 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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