Gas in California averaged $4.77 in 2023 — $5.04 in today’s money
Average, that year
$4.77
In 2025 dollars
$5.04
The average price of a gallon of regular gasoline in California across 2023, 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 2023
Weekly average for regular gasoline. The year’s high was $5.90 the week of October 2, 2023; the low was $4.22 the week of January 2, 2023 — a swing of 40.0%.
View the weekly data (52 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 2, 2023 | $4.22 | $4.52 |
| January 9, 2023 | $4.23 | $4.53 |
| January 16, 2023 | $4.25 | $4.55 |
| January 23, 2023 | $4.28 | $4.58 |
| January 30, 2023 | $4.36 | $4.67 |
| February 6, 2023 | $4.41 | $4.71 |
| February 13, 2023 | $4.43 | $4.73 |
| February 20, 2023 | $4.52 | $4.83 |
| February 27, 2023 | $4.59 | $4.90 |
| March 6, 2023 | $4.70 | $5.02 |
| March 13, 2023 | $4.73 | $5.05 |
| March 20, 2023 | $4.66 | $4.97 |
| March 27, 2023 | $4.63 | $4.94 |
| April 3, 2023 | $4.63 | $4.92 |
| April 10, 2023 | $4.68 | $4.98 |
| April 17, 2023 | $4.72 | $5.02 |
| April 24, 2023 | $4.69 | $4.99 |
| May 1, 2023 | $4.66 | $4.95 |
| May 8, 2023 | $4.64 | $4.92 |
| May 15, 2023 | $4.62 | $4.90 |
| May 22, 2023 | $4.61 | $4.89 |
| May 29, 2023 | $4.64 | $4.93 |
| June 5, 2023 | $4.65 | $4.92 |
| June 12, 2023 | $4.71 | $4.99 |
| June 19, 2023 | $4.69 | $4.97 |
| June 26, 2023 | $4.65 | $4.92 |
| July 3, 2023 | $4.65 | $4.92 |
| July 10, 2023 | $4.67 | $4.94 |
| July 17, 2023 | $4.72 | $4.99 |
| July 24, 2023 | $4.71 | $4.98 |
| July 31, 2023 | $4.83 | $5.10 |
| August 7, 2023 | $4.90 | $5.16 |
| August 14, 2023 | $4.98 | $5.24 |
| August 21, 2023 | $5.10 | $5.37 |
| August 28, 2023 | $5.11 | $5.37 |
| September 4, 2023 | $5.15 | $5.39 |
| September 11, 2023 | $5.25 | $5.51 |
| September 18, 2023 | $5.55 | $5.81 |
| September 25, 2023 | $5.70 | $5.97 |
| October 2, 2023 | $5.90 | $6.17 |
| October 9, 2023 | $5.60 | $5.86 |
| October 16, 2023 | $5.40 | $5.65 |
| October 23, 2023 | $5.22 | $5.47 |
| October 30, 2023 | $5.07 | $5.30 |
| November 6, 2023 | $4.94 | $5.17 |
| November 13, 2023 | $4.87 | $5.09 |
| November 20, 2023 | $4.77 | $4.98 |
| November 27, 2023 | $4.72 | $4.93 |
| December 4, 2023 | $4.60 | $4.79 |
| December 11, 2023 | $4.46 | $4.65 |
| December 18, 2023 | $4.36 | $4.55 |
| December 25, 2023 | $4.37 | $4.56 |
Year over year
How 2023 compares, adjusted for inflation
2023 was California’s 7th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 21st-cheapest of 27 years (2000–2026).
Every grade
California fuel prices by grade in 2023
Year-average price per grade, including diesel. Premium figures are the spread drivers paid for higher-octane fuel that year.
| Grade | Avg / gal | 2025 $ | vs. regular |
|---|---|---|---|
| Regular | $4.77 | $5.04 | — |
| Midgrade | $5.07 | $5.36 | +29.8¢ |
| Premium | $5.19 | $5.49 | +42.2¢ |
| Diesel | $5.36 | $5.66 | +58.4¢ |
Common questions
California gas prices in 2023, answered
- What was the average price of gas in California in 2023?
- The average price of regular gasoline in California in 2023 was $4.77 per gallon — about $5.04 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 2023?
- California's weekly average for regular gasoline peaked at $5.90 the week of October 2, 2023 and bottomed out at $4.22 the week of January 2, 2023 — a swing of 40.0% across the year.
- Were gas prices in California higher in 2023 than in 2022?
- Adjusted for inflation, regular gasoline in California was cheaper in 2023 than in 2022, down 13.7% year over year.
- How does 2023 rank for gas prices in California history?
- Adjusted for inflation, 2023 was the 7th-most-expensive year for regular gasoline in California out of the 27 years EIA has published weekly prices (2000–2026).