The average fuel price in state declined about 19 cents since last month. According to the EIA, gas prices across the state in the last year have been as low as $4.09 on Dec. 23, 2024, and as high as $4.73 on April 7, 2025. A year ago, the average gas price in California was 4% higher at $4.54 per gallon.

As of Tuesday afternoon, California's average is $4.58 per gallon, less than the average from more than a week ago of $4.65 per gallon, or from a month ago at $4.78 per gallon, according to data from the American Automobile Association.

California drivers are once again facing rising gasoline prices just as the summer driving season begins. Gas Tax Hits New High On July 1, the state gas excise tax increased from 59.6 cents to 61.2 cents per gallon,