San Clemente, CA

San Onofre SB — San Mateo Group Site

Availability

Each day shows how many of this campground’s sites are open.

About this spot

San Onofre State Beach offers three miles of beautiful sand beaches for hiking. The park is also popular for surfing.

Typical weather

Pacific Ocean

Average water temperature
Average water temperature for Pacific Ocean, January through DecemberEach point shows the monthly average water temperature in degrees Fahrenheit.56°JJanuary: average water temperature 56°F61°FFebruary: average water temperature 61°F59°MMarch: average water temperature 59°F67°AApril: average water temperature 67°F67°MMay: average water temperature 67°F67°JJune: average water temperature 67°F74°JJuly: average water temperature 74°F70°AAugust: average water temperature 70°F73°SSeptember: average water temperature 73°F67°OOctober: average water temperature 67°F67°NNovember: average water temperature 67°F68°DDecember: average water temperature 68°F

Water: Water Quality Portal — 22 field-sample stations

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