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Water temperature in Mendocino (CA) in July

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Is it warm enough to swim in Mendocino in July? Average water temperature in Mendocino in July is 52.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Mendocino in July is 59.2°F, and the coldest is 47.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Mendocino

Changes water temperature in Mendocino in July 2025, 2024

To get an accurate forecast for the water temperature in Mendocino for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Mendocino, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 150.5°F48.9°F48.9°F56.3°F
July 252°F48.6°F48.6°F55.9°F
July 351.6°F48.4°F48.2°F55.2°F
July 451.1°F50°F48.7°F55.8°F
July 550.9°F51.3°F49.3°F55.9°F
July 650.2°F51.6°F48°F56.3°F
July 748.9°F51.6°F48.4°F57.2°F
July 847.8°F53.2°F47.8°F57.9°F
July 949.6°F51.6°F49.1°F57.4°F
July 1050.5°F52.2°F49.3°F57.4°F
July 1151.8°F53.2°F50.2°F58.5°F
July 1251.4°F51.6°F50.4°F58.8°F
July 1352.3°F50.5°F49.6°F59.2°F
July 1449.8°F50.9°F49.8°F57.7°F
July 1549.8°F52.5°F47.8°F58.6°F
Day 2025 2024 Min Max
July 1648.6°F51.4°F48.6°F58.5°F
July 1750°F52.3°F49.1°F58.1°F
July 1848.2°F54.3°F48.2°F57.6°F
July 1947.8°F53.8°F47.8°F56.8°F
July 2050°F52.9°F47.8°F58.6°F
July 2151.3°F51.6°F48.9°F57.6°F
July 2250.9°F51.1°F50.5°F56.7°F
July 2348.2°F51.8°F48.2°F57.7°F
July 2450°F51.6°F50°F57.4°F
July 2550.4°F52.7°F50.4°F56.1°F
July 2651.6°F51.4°F50.9°F56.8°F
July 2750.7°F52°F50.7°F55.6°F
July 2852.5°F52.5°F50.9°F55.9°F
July 2954.1°F49.5°F49.5°F56.5°F
July 3053.2°F52°F50°F56.7°F
July 3152.5°F52°F51.6°F57.2°F
Mendocino water temp chart in July

Average water temperature in Mendocino in July over a decade

20162017201820192020
53.6°F52.5°F54.7°F51.6°F50.7°F
20212022202320242025
50.7°F52.2°F51.6°F51.6°F50.5°F

Mendocino sea state in July

Chart comparing the height of waves in Mendocino in July 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 Mendocino in July

Mendocino 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 July?

Want to know where the water temperature in July 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 July

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

AvrMinMax
San Diego68.5°F62.8°F74.8°F
Santa Monica67.6°F61.5°F72.5°F
La Jolla Cove70°F63.5°F76.5°F
Lake Tahoe66.2°F58.8°F73°F
Los Angeles66.6°F60.6°F71.8°F
Glass Beach52.9°F48°F59.2°F
Gualala52.3°F46.6°F60.6°F
Shelter Cove53.4°F48°F59.7°F
Lakeport77.5°F72.3°F82.9°F
Clear Lake77.5°F72.3°F82.9°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 Mendocino 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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