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Water temperature in San Simeon (CA) in July

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Is it warm enough to swim in San Simeon in July? Average water temperature in San Simeon in July is 56.5°F and therefore is not suitable for comfortable swimming. The warmest sea in San Simeon in July is 64.4°F, and the coldest is 49.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Simeon

Changes water temperature in San Simeon in July 2025, 2024

To get an accurate forecast for the water temperature in San Simeon for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in San Simeon, 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 149.6°F54.5°F49.6°F58.1°F
July 250.2°F54.1°F50.2°F59°F
July 351.4°F55.2°F51.4°F59.2°F
July 450.2°F54.7°F50.2°F59.4°F
July 552.9°F56.5°F50.7°F59.5°F
July 654.7°F55.2°F51.4°F59.5°F
July 753.2°F54°F52.3°F60.1°F
July 851.3°F53.8°F51.3°F59.9°F
July 951.8°F53.4°F51.8°F60.6°F
July 1052.7°F52°F50°F60.4°F
July 1150.7°F53.4°F50.7°F61.5°F
July 1252.3°F53.6°F51.8°F61.3°F
July 1352.5°F53.4°F51.3°F61.3°F
July 1451.6°F52.3°F51.6°F60.3°F
July 1552°F51.1°F51.1°F60.1°F
Day 2025 2024 Min Max
July 1650.7°F53.2°F50.7°F61°F
July 1751.3°F55°F51.3°F61.2°F
July 1852.2°F57°F52.2°F61.7°F
July 1952.9°F57.2°F52.3°F62.2°F
July 2051.4°F56.5°F51.4°F63°F
July 2151.8°F56.3°F51.8°F63.5°F
July 2251.6°F53.4°F51.6°F63.9°F
July 2349.6°F54°F49.6°F64.4°F
July 2450.7°F55.8°F50.7°F63.9°F
July 2551.8°F55.8°F51.8°F62.4°F
July 2650°F57°F50°F62.8°F
July 2752.5°F56.3°F52.5°F62.4°F
July 2852.3°F53.2°F52.3°F62.6°F
July 2954°F53.8°F52.3°F62.8°F
July 3057°F53.2°F53.2°F62.6°F
July 3157.6°F53.4°F53.4°F62.6°F
San Simeon water temp chart in July

Average water temperature in San Simeon in July over a decade

20162017201820192020
57°F57.6°F57.6°F54.5°F56.1°F
20212022202320242025
56.1°F55.6°F54.3°F54.5°F52.2°F

San Simeon sea state in July

Chart comparing the height of waves in San Simeon 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 San Simeon in July

San Simeon 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
Ragged Point56.1°F48.7°F64.6°F
Gorda56.1°F48.2°F64.2°F
Los Osos57°F47.8°F63.1°F
Sand Dollar Beach55.9°F48.6°F64.4°F
Slates Hot Springs55.9°F49.3°F64.6°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 San Simeon 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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