Temperatures at California Beaches in January

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Typical temperatures for beaches along the Pacific Ocean in California during the month of January 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.

January has the coolest weather of the year for most of the California coast, yet Avila Beach, Long Beach and Laguna Beach usually manage to reach highs of at least 67 degrees Fahrenheit (19 degrees Celsius). Along the Pacific Ocean in northern California, the days in January usually warm up to the mid-50s Fahrenheit.

Southern California Coast

Average temperatures in °F for January
High Low Place Ocean
66 47 Imperial Beach   –
68 44 Laguna Beach   –
63 50 Newport Beach 58
63 45 Oceanside 57
65 49 San Diego 58
60 50 Santa Catalina Island 58

Los Angeles Area

Average temperatures in °F for January
High Low Place Ocean
60 50 Anacapa Island 56
67 46 Long Beach 58
65 46 Oxnard 56
64 51 Santa Monica 57

Central California Coast

Average temperatures in °F for January
High Low Place Ocean
67 44 Avila Beach 55
60 43 Big Sur State Park   –
63 42 Lompoc   –
58 42 Monterey 53
65 45 Morro Bay 54
60 45 Pismo Beach   –
61 41 Salinas   –
65 46 Santa Barbara 56

San Francisco Area

Average temperatures in °F for January
High Low Place Ocean
55 44 Bodega Bay 52
59 42 Half Moon Bay   –
57 48 Pacifica   –
57 45 San Francisco, Fort Funston 53
59 39 San Gregorio   –
63 41 Santa Cruz 53

Northern California Coast

Average temperatures in °F for January
High Low Place Ocean
55 41 Crescent City 50
56 41 Eureka 51
52 40 Fort Bragg 52
58 42 Fort Ross State Park 52
53 36 Klamath   –
57 46 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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