US Gas Gauge

Gas in California averaged $4.41 in 2025 $4.40 in today’s money

Average, that year
$4.41
In 2025 dollars
$4.40

The average price of a gallon of regular gasoline in California across 2025, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).

Across the year

How California prices moved through 2025

Weekly average for regular gasoline. The year’s high was $4.73 the week of April 7, 2025; the low was $4.04 the week of December 29, 2025 — a swing of 17.0%.

Weekly · 2025
View the weekly data (52 weeks)
Week ofNominal2025 $
January 6, 2025$4.15$4.19
January 13, 2025$4.16$4.20
January 20, 2025$4.21$4.25
January 27, 2025$4.22$4.26
February 3, 2025$4.25$4.28
February 10, 2025$4.39$4.42
February 17, 2025$4.60$4.64
February 24, 2025$4.61$4.64
March 3, 2025$4.53$4.56
March 10, 2025$4.48$4.51
March 17, 2025$4.43$4.46
March 24, 2025$4.42$4.45
March 31, 2025$4.58$4.62
April 7, 2025$4.73$4.76
April 14, 2025$4.67$4.69
April 21, 2025$4.61$4.64
April 28, 2025$4.59$4.61
May 5, 2025$4.55$4.57
May 12, 2025$4.65$4.67
May 19, 2025$4.69$4.71
May 26, 2025$4.63$4.65
June 2, 2025$4.55$4.56
June 9, 2025$4.48$4.49
June 16, 2025$4.43$4.43
June 23, 2025$4.44$4.45
June 30, 2025$4.36$4.37
July 7, 2025$4.33$4.33
July 14, 2025$4.28$4.28
July 21, 2025$4.26$4.25
July 28, 2025$4.23$4.23
August 4, 2025$4.27$4.25
August 11, 2025$4.27$4.25
August 18, 2025$4.27$4.25
August 25, 2025$4.35$4.33
September 1, 2025$4.40$4.37
September 8, 2025$4.42$4.39
September 15, 2025$4.47$4.44
September 22, 2025$4.47$4.44
September 29, 2025$4.45$4.41
October 6, 2025$4.45$4.29
October 13, 2025$4.46$4.30
October 20, 2025$4.43$4.27
October 27, 2025$4.36$4.20
November 3, 2025$4.43$4.39
November 10, 2025$4.50$4.46
November 17, 2025$4.48$4.43
November 24, 2025$4.40$4.36
December 1, 2025$4.36$4.30
December 8, 2025$4.27$4.22
December 15, 2025$4.16$4.11
December 22, 2025$4.08$4.03
December 29, 2025$4.04$3.99
Year over year

How 2025 compares, adjusted for inflation

2025 was California’s 16th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 12th-cheapest of 27 years (20002026).

Every grade

California fuel prices by grade in 2025

Year-average price per grade, including diesel. Premium figures are the spread drivers paid for higher-octane fuel that year.

GradeAvg / gal2025 $vs. regular
Regular$4.41$4.40
Midgrade$4.73$4.72+32.3¢
Premium$4.88$4.87+47.2¢
Diesel$4.85$4.84+44.1¢
Common questions

California gas prices in 2025, answered

What was the average price of gas in California in 2025?
The average price of regular gasoline in California in 2025 was $4.41 per gallon — about $4.40 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
How high did gas prices get in California during 2025?
California's weekly average for regular gasoline peaked at $4.73 the week of April 7, 2025 and bottomed out at $4.04 the week of December 29, 2025 — a swing of 17.0% across the year.
Were gas prices in California higher in 2025 than in 2024?
Adjusted for inflation, regular gasoline in California was cheaper in 2025 than in 2024, down 5.4% year over year.
How does 2025 rank for gas prices in California history?
Adjusted for inflation, 2025 was the 16th-most-expensive year for regular gasoline in California out of the 27 years EIA has published weekly prices (2000–2026).