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If you are planning a beach vacation in California it helps to understand the weather before you go. Summer weather on the California coast is pretty reliable, but what about during the other seasons? We have put together the average daily high temperatures by month for beaches in counties all along the California coastline. We hope this will be helpful for you when deciding where to vacation and what time of the year.

Below are the average monthly high daily temperatures at California’s coastal beaches by county (listed south to north) as calculated by the US National Oceanic and Atmospheric Administration (NOAA). All temperatures have been averaged over the last 10 years and come from a representative beach in that county. The temps are in degrees Fahrenheit (°F).

San Diego County Beaches

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676768697071757778767267

Orange County Beaches

JFMAMJJASOND
646464656668727375736964

Los Angeles County Beaches

JFMAMJJASOND
686768696871757778767266

Catalina Island Beaches

JFMAMJJASOND
596060636467707170676359

Ventura County Beaches

JFMAMJJASOND
656565676770737373736965

Santa Barbara County Beaches

JFMAMJJASOND
676770737373777880787165

San Luis Obispo County Beaches

JFMAMJJASOND
646466676869707170706864

Monterey County Beaches

JFMAMJJASOND
616061626265666768686359

Santa Cruz County Beaches

JFMAMJJASOND
636568717275757679756761

San Mateo County Beaches

JFMAMJJASOND
596060616263656667666359

San Francisco Beaches

JFMAMJJASOND
596162646467666770706458

Marin County Beaches

JFMAMJJASOND
576165707581848382756456

Sonoma County Beaches

JFMAMJJASOND
585960616366676768666258

Mendocino County Beaches

JFMAMJJASOND
535353535455565758575654

Humboldt County Beaches

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555656575962636464625855

Del Norte County Beaches

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555555575961636464625855