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Water temperature in Dunes Beach (CA) in July

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Is it warm enough to swim in Dunes Beach in July? Average water temperature in Dunes Beach in July is 56.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Dunes Beach in July is 62.8°F, and the coldest is 47.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Dunes Beach

Changes water temperature in Dunes Beach in July 2025, 2024

To get an accurate forecast for the water temperature in Dunes Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Dunes Beach, 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 151.1°F55.6°F51.1°F58.5°F
July 250.2°F55.2°F50.2°F58.8°F
July 352°F57.4°F51.3°F59.2°F
July 452.5°F57.6°F52°F59.5°F
July 555.6°F57.2°F50.4°F59.7°F
July 655.9°F55.8°F50.5°F59.7°F
July 756.1°F54.5°F49.1°F60.6°F
July 855.9°F55°F50.4°F61°F
July 956.8°F53.1°F52.2°F60.6°F
July 1056.5°F52.5°F50.2°F60.6°F
July 1157.7°F51.6°F49.1°F61°F
July 1256.8°F53.1°F50°F61.3°F
July 1357.4°F54.1°F48.2°F61.5°F
July 1456.3°F54.7°F49.1°F60.4°F
July 1555°F57°F47.3°F59.9°F
Day 2025 2024 Min Max
July 1655°F58.5°F48.4°F59.9°F
July 1755.2°F57.9°F47.7°F60.1°F
July 1855.4°F57°F48.6°F60.6°F
July 1954.9°F58.1°F50.2°F61.5°F
July 2052.5°F56.8°F51.1°F62.4°F
July 2152.9°F56.8°F50.9°F62.1°F
July 2252.5°F57.4°F51.8°F61.7°F
July 2353.4°F57.9°F50.7°F62.4°F
July 2454.1°F59.5°F51.3°F61.9°F
July 2555.2°F59.2°F52°F61.2°F
July 2654.9°F59.2°F52.7°F62.4°F
July 2753.4°F59.2°F51.3°F62.2°F
July 2854.5°F59°F52.3°F62.2°F
July 2956.5°F59°F52°F62.4°F
July 3056.7°F56.8°F52.3°F62.4°F
July 3157°F57°F53.2°F62.8°F
Dunes Beach water temp chart in July

Average water temperature in Dunes Beach in July over a decade

20162017201820192020
56.5°F56.5°F58.6°F57.6°F54.3°F
20212022202320242025
51.8°F56.3°F56.1°F56.5°F54.9°F

Dunes Beach sea state in July

Chart comparing the height of waves in Dunes Beach 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 Dunes Beach in July

Dunes Beach 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
Burlingame60.6°F53.2°F70.5°F
Daly City58.3°F52.5°F62.8°F
Coyote Point61.7°F52.9°F73.9°F
San Mateo61.7°F52.9°F73.9°F
Millbrae61.9°F53.1°F74.8°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 Dunes Beach 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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