Temperatures at California Beaches in October

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Typical temperatures for beaches along the Pacific Ocean in California during the month of October are listed below. The tables give monthly averages of daily maximum and minimum air temperatures for each location and, where available, the month's average ocean temperature.

You can jump to a separate table for each region of the state: Southern Coast, Los Angeles Area, Central Coast, San Francisco Area and Northern Coast.

The warmest month all year is October for a few places along the Pacific Ocean in California. Avila Beach and Morro Bay average daily high temperatures in October that are slightly above those in August and September, although their autumn nights get a little cooler than in summer. But in northern California, October's temperatures at the beaches are already noticeably cooler than the previous months.

Southern California Coast

Average temperatures in °F for October
High Low Place Ocean
72 57 Imperial Beach   –
77 54 Laguna Beach   –
70 60 Newport Beach 67
69 57 Oceanside 64
73 61 San Diego 64
72 58 Santa Catalina Island 67

Los Angeles Area

Average temperatures in °F for October
High Low Place Ocean
68 57 Anacapa Island 64
77 58 Long Beach 66
72 56 Oxnard 62
70 60 Santa Monica 64

Central California Coast

Average temperatures in °F for October
High Low Place Ocean
78 52 Avila Beach 59
73 48 Big Sur State Park   –
73 51 Lompoc   –
66 50 Monterey 57
71 52 Morro Bay 57
67 52 Pismo Beach   –
73 50 Salinas   –
73 56 Santa Barbara 63

San Francisco Area

Average temperatures in °F for October
High Low Place Ocean
62 49 Bodega Bay 55
66 47 Half Moon Bay   –
69 55 Pacifica   –
65 53 San Francisco, Fort Funston 59
69 45 San Gregorio   –
73 50 Santa Cruz 59

Northern California Coast

Average temperatures in °F for October
High Low Place Ocean
60 46 Crescent City 54
62 47 Eureka 54
61 46 Fort Bragg 54
66 47 Fort Ross State Park 54
63 43 Klamath   –
66 52 Shelter Cove   –

The high and low air temperatures are normals for the years 1981 to 2010. Temperatures for the two places without climate normals, Anacapa Island and Avila Beach, are instead averages for the years that weather data were collected. Ocean temperatures are also averages of all the years with measurements.

Often the location of stations that measure weather and those that measure ocean water temperature don't match. For beaches with climate but no ocean data, a nearby location, where available, is used here. So the ocean temperature listed for San Diego is from La Jolla. Other substitutions are Los Angeles for Long Beach, Port Hueneme for Oxnard, Pacific Grove for Monterey, Fort Point for San Francisco, Trinidad for Eureka, and Mendocino for Fort Bragg.

References

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

NOAA National Oceanographic Data Center. NODC Coastal Water Temperature Guide (CWTG).

Western Regional Climate Center. Comparative Data for the Western States.

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