Gas in Massachusetts averaged $2.36 in 2015 — $3.21 in today’s money
The average price of a gallon of regular gasoline in Massachusetts across 2015, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).
How Massachusetts prices moved through 2015
Weekly average for regular gasoline. The year’s high was $2.76 the week of June 22, 2015; the low was $2.02 the week of December 28, 2015 — a swing of 37.1%.
View the weekly data (52 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 5, 2015 | $2.41 | $3.31 |
| January 12, 2015 | $2.31 | $3.17 |
| January 19, 2015 | $2.16 | $2.97 |
| January 26, 2015 | $2.11 | $2.89 |
| February 2, 2015 | $2.09 | $2.86 |
| February 9, 2015 | $2.13 | $2.92 |
| February 16, 2015 | $2.19 | $3.00 |
| February 23, 2015 | $2.25 | $3.07 |
| March 2, 2015 | $2.35 | $3.20 |
| March 9, 2015 | $2.42 | $3.29 |
| March 16, 2015 | $2.40 | $3.28 |
| March 23, 2015 | $2.34 | $3.20 |
| March 30, 2015 | $2.30 | $3.14 |
| April 6, 2015 | $2.31 | $3.14 |
| April 13, 2015 | $2.29 | $3.12 |
| April 20, 2015 | $2.45 | $3.34 |
| April 27, 2015 | $2.52 | $3.44 |
| May 4, 2015 | $2.60 | $3.53 |
| May 11, 2015 | $2.61 | $3.55 |
| May 18, 2015 | $2.63 | $3.57 |
| May 25, 2015 | $2.67 | $3.63 |
| June 1, 2015 | $2.67 | $3.62 |
| June 8, 2015 | $2.70 | $3.66 |
| June 15, 2015 | $2.75 | $3.72 |
| June 22, 2015 | $2.76 | $3.74 |
| June 29, 2015 | $2.75 | $3.73 |
| July 6, 2015 | $2.74 | $3.71 |
| July 13, 2015 | $2.73 | $3.70 |
| July 20, 2015 | $2.70 | $3.66 |
| July 27, 2015 | $2.67 | $3.61 |
| August 3, 2015 | $2.62 | $3.54 |
| August 10, 2015 | $2.58 | $3.48 |
| August 17, 2015 | $2.53 | $3.42 |
| August 24, 2015 | $2.46 | $3.32 |
| August 31, 2015 | $2.36 | $3.19 |
| September 7, 2015 | $2.33 | $3.15 |
| September 14, 2015 | $2.29 | $3.10 |
| September 21, 2015 | $2.26 | $3.06 |
| September 28, 2015 | $2.22 | $3.01 |
| October 5, 2015 | $2.18 | $2.96 |
| October 12, 2015 | $2.16 | $2.92 |
| October 19, 2015 | $2.12 | $2.87 |
| October 26, 2015 | $2.11 | $2.86 |
| November 2, 2015 | $2.10 | $2.84 |
| November 9, 2015 | $2.12 | $2.86 |
| November 16, 2015 | $2.10 | $2.85 |
| November 23, 2015 | $2.10 | $2.84 |
| November 30, 2015 | $2.10 | $2.84 |
| December 7, 2015 | $2.09 | $2.83 |
| December 14, 2015 | $2.05 | $2.77 |
| December 21, 2015 | $2.04 | $2.77 |
| December 28, 2015 | $2.02 | $2.73 |
2015: Massachusetts and the national picture
2015 coincided with the global collapse in crude-oil prices. In Massachusetts, the weekly average for regular gasoline ran from a low of $2.02 (December 28, 2015) to a high of $2.76 (June 22, 2015). Adjusted for inflation, the year’s average of $3.21 ranks 18th-highest in the state’s weekly record.
How 2015 compares, adjusted for inflation
2015 was Massachusetts’s 18th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 7th-cheapest of 24 years (2003–2026).
Massachusetts fuel prices by grade in 2015
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 | $2.36 | $3.21 | — |
| Midgrade | $2.60 | $3.52 | +23.1¢ |
| Premium | $2.75 | $3.73 | +38.3¢ |
Massachusetts gas prices in 2015, answered
- What was the average price of gas in Massachusetts in 2015?
- The average price of regular gasoline in Massachusetts in 2015 was $2.36 per gallon — about $3.21 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 2015?
- Massachusetts's weekly average for regular gasoline peaked at $2.76 the week of June 22, 2015 and bottomed out at $2.02 the week of December 28, 2015 — a swing of 37.1% across the year.
- Were gas prices in Massachusetts higher in 2015 than in 2014?
- Adjusted for inflation, regular gasoline in Massachusetts was cheaper in 2015 than in 2014, down 30.5% year over year.
- How does 2015 rank for gas prices in Massachusetts history?
- Adjusted for inflation, 2015 was the 18th-most-expensive year for regular gasoline in Massachusetts out of the 24 years EIA has published weekly prices (2003–2026).