Gas in Massachusetts averaged $2.97 in 2025 — $2.96 in today’s money
Average, that year
$2.97
In 2025 dollars
$2.96
The average price of a gallon of regular gasoline in Massachusetts across 2025, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).
Across the year
How Massachusetts prices moved through 2025
Weekly average for regular gasoline. The year’s high was $3.11 the week of September 8, 2025; the low was $2.88 the week of December 29, 2025 — a swing of 8.1%.
View the weekly data (52 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 6, 2025 | $2.95 | $2.98 |
| January 13, 2025 | $2.95 | $2.98 |
| January 20, 2025 | $3.02 | $3.04 |
| January 27, 2025 | $3.01 | $3.04 |
| February 3, 2025 | $2.98 | $3.00 |
| February 10, 2025 | $2.98 | $3.00 |
| February 17, 2025 | $2.99 | $3.01 |
| February 24, 2025 | $2.99 | $3.01 |
| March 3, 2025 | $2.95 | $2.97 |
| March 10, 2025 | $2.93 | $2.95 |
| March 17, 2025 | $2.89 | $2.91 |
| March 24, 2025 | $2.91 | $2.93 |
| March 31, 2025 | $2.91 | $2.93 |
| April 7, 2025 | $2.92 | $2.94 |
| April 14, 2025 | $2.88 | $2.90 |
| April 21, 2025 | $2.90 | $2.92 |
| April 28, 2025 | $2.92 | $2.93 |
| May 5, 2025 | $2.92 | $2.94 |
| May 12, 2025 | $2.92 | $2.93 |
| May 19, 2025 | $2.97 | $2.98 |
| May 26, 2025 | $2.97 | $2.98 |
| June 2, 2025 | $2.95 | $2.96 |
| June 9, 2025 | $2.94 | $2.94 |
| June 16, 2025 | $2.94 | $2.95 |
| June 23, 2025 | $3.07 | $3.07 |
| June 30, 2025 | $3.02 | $3.03 |
| July 7, 2025 | $3.01 | $3.01 |
| July 14, 2025 | $3.00 | $3.00 |
| July 21, 2025 | $3.01 | $3.01 |
| July 28, 2025 | $3.00 | $3.00 |
| August 4, 2025 | $3.05 | $3.04 |
| August 11, 2025 | $3.04 | $3.03 |
| August 18, 2025 | $3.03 | $3.02 |
| August 25, 2025 | $3.04 | $3.03 |
| September 1, 2025 | $3.05 | $3.03 |
| September 8, 2025 | $3.11 | $3.09 |
| September 15, 2025 | $3.08 | $3.06 |
| September 22, 2025 | $3.06 | $3.03 |
| September 29, 2025 | $3.01 | $2.98 |
| October 6, 2025 | $2.98 | $2.87 |
| October 13, 2025 | $2.94 | $2.84 |
| October 20, 2025 | $2.91 | $2.81 |
| October 27, 2025 | $2.90 | $2.79 |
| November 3, 2025 | $2.91 | $2.89 |
| November 10, 2025 | $2.95 | $2.93 |
| November 17, 2025 | $2.97 | $2.94 |
| November 24, 2025 | $3.01 | $2.98 |
| December 1, 2025 | $2.97 | $2.93 |
| December 8, 2025 | $2.94 | $2.91 |
| December 15, 2025 | $2.92 | $2.89 |
| December 22, 2025 | $2.88 | $2.85 |
| December 29, 2025 | $2.88 | $2.84 |
Year over year
How 2025 compares, adjusted for inflation
2025 was Massachusetts’s 21st-most-expensive year for gas on record, adjusted for inflation — equivalently, the 4th-cheapest of 24 years (2003–2026).
Every grade
Massachusetts fuel prices by grade in 2025
Year-average price per grade. Premium figures are the spread drivers paid for higher-octane fuel that year.
| Grade | Avg / gal | 2025 $ | vs. regular |
|---|---|---|---|
| Regular | $2.97 | $2.96 | — |
| Midgrade | $3.57 | $3.56 | +59.6¢ |
| Premium | $3.90 | $3.89 | +92.9¢ |
Common questions
Massachusetts gas prices in 2025, answered
- What was the average price of gas in Massachusetts in 2025?
- The average price of regular gasoline in Massachusetts in 2025 was $2.97 per gallon — about $2.96 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Massachusetts during 2025?
- Massachusetts's weekly average for regular gasoline peaked at $3.11 the week of September 8, 2025 and bottomed out at $2.88 the week of December 29, 2025 — a swing of 8.1% across the year.
- Were gas prices in Massachusetts higher in 2025 than in 2024?
- Adjusted for inflation, regular gasoline in Massachusetts was cheaper in 2025 than in 2024, down 10.8% year over year.
- How does 2025 rank for gas prices in Massachusetts history?
- Adjusted for inflation, 2025 was the 21st-most-expensive year for regular gasoline in Massachusetts out of the 24 years EIA has published weekly prices (2003–2026).