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Water temperature in County Line Beach (CA) in July

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Is it warm enough to swim in County Line Beach in July? Average water temperature in County Line Beach in July is 66.2°F and therefore is not suitable for comfortable swimming. The warmest sea in County Line Beach in July is 71.6°F, and the coldest is 59.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in County Line Beach

Changes water temperature in County Line Beach in July 2025, 2024

To get an accurate forecast for the water temperature in County Line 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 County Line 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 165.3°F63.7°F59.9°F69.3°F
July 265.5°F62.6°F59.9°F69.6°F
July 365.1°F63.5°F60.8°F69.6°F
July 465.1°F64.6°F61.3°F70.2°F
July 564.2°F64.6°F61°F70.7°F
July 665.3°F66.2°F61.3°F71.1°F
July 765.3°F65.7°F60.6°F71.6°F
July 863.3°F65.5°F61.7°F71.1°F
July 963.5°F66.9°F62.4°F70.7°F
July 1061.7°F66.4°F61.5°F70°F
July 1161.9°F66.6°F61.5°F70.5°F
July 1262.6°F66.6°F61.9°F71.1°F
July 1363.5°F67.3°F61.7°F71.4°F
July 1463.7°F68.7°F62.4°F71.4°F
July 1564°F67.5°F61.9°F71.4°F
Day 2025 2024 Min Max
July 1665.5°F65.5°F62.4°F71.1°F
July 1764.9°F64.6°F62.8°F71.1°F
July 1865.8°F65.5°F63°F70.5°F
July 1965.1°F65.5°F62.8°F70.7°F
July 2064.4°F66.7°F62.1°F70.7°F
July 2165.8°F65.3°F62.4°F70.7°F
July 2265.1°F64.9°F62.1°F70.3°F
July 2365.5°F65.8°F62.6°F70.3°F
July 2465.5°F66.4°F61.2°F70.9°F
July 2564.4°F65.5°F61°F71.1°F
July 2663.9°F63.5°F61°F71.2°F
July 2763.5°F64.6°F59.4°F70.7°F
July 2863°F63.3°F60.3°F70.9°F
July 2963.1°F62.6°F61.2°F71.4°F
July 3063°F61.5°F61.2°F71.2°F
July 3162.8°F62.2°F61.3°F71.2°F
County Line Beach water temp chart in July

Average water temperature in County Line Beach in July over a decade

20162017201820192020
69.6°F68.7°F69.8°F66.6°F63.9°F
20212022202320242025
66.7°F65.8°F64.6°F65.1°F64.2°F

County Line Beach sea state in July

Chart comparing the height of waves in County Line 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 County Line Beach in July

County Line 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
Carrillo Beach66.2°F59.4°F71.6°F
Point Mugu65.5°F57.4°F71.2°F
Paradise Cove Beach66.9°F60.4°F72°F
Point Dume66.9°F60.6°F72.1°F
Hollywood Beach64.9°F57.7°F70.7°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 County Line 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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