Temperatures at California Beaches in March

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

Average temperatures in March along the Pacific Ocean in California range from nighttime lows of 38 degrees Fahrenheit (3.3 degrees Celsius) at Klamath to daytime highs of 69 F (21 °C) at Avila Beach.

Southern California Coast

Average temperatures in °F for March
High Low Place Ocean
66 52 Imperial Beach   –
69 47 Laguna Beach   –
63 52 Newport Beach 60
62 49 Oceanside 58
66 53 San Diego 58
61 49 Santa Catalina Island 58

Los Angeles Area

Average temperatures in °F for March
High Low Place Ocean
62 50 Anacapa Island 56
69 51 Long Beach 60
66 49 Oxnard 56
63 53 Santa Monica 58

Central California Coast

Average temperatures in °F for March
High Low Place Ocean
69 45 Avila Beach 55
63 43 Big Sur State Park   –
66 46 Lompoc   –
59 45 Monterey 54
66 47 Morro Bay 54
62 47 Pismo Beach   –
65 45 Salinas   –
66 50 Santa Barbara 57

San Francisco Area

Average temperatures in °F for March
High Low Place Ocean
57 46 Bodega Bay 52
60 43 Half Moon Bay   –
61 49 Pacifica   –
59 48 San Francisco, Fort Funston 54
61 41 San Gregorio   –
66 44 Santa Cruz 54

Northern California Coast

Average temperatures in °F for March
High Low Place Ocean
55 42 Crescent City 51
57 43 Eureka 52
55 42 Fort Bragg 50
60 43 Fort Ross State Park 51
56 38 Klamath   –
60 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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