Gas in Washington averaged $3.41 in 2008 — $5.09 in today’s money
The average price of a gallon of regular gasoline in Washington across 2008, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).
How Washington prices moved through 2008
Weekly average for regular gasoline. The year’s high was $4.37 the week of July 7, 2008; the low was $1.78 the week of December 15, 2008 — a swing of 145.0%.
View the weekly data (52 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 7, 2008 | $3.19 | $4.85 |
| January 14, 2008 | $3.17 | $4.81 |
| January 21, 2008 | $3.11 | $4.72 |
| January 28, 2008 | $3.04 | $4.61 |
| February 4, 2008 | $3.02 | $4.58 |
| February 11, 2008 | $3.05 | $4.62 |
| February 18, 2008 | $3.16 | $4.78 |
| February 25, 2008 | $3.30 | $5.00 |
| March 3, 2008 | $3.42 | $5.16 |
| March 10, 2008 | $3.46 | $5.22 |
| March 17, 2008 | $3.51 | $5.30 |
| March 24, 2008 | $3.48 | $5.25 |
| March 31, 2008 | $3.46 | $5.22 |
| April 7, 2008 | $3.48 | $5.23 |
| April 14, 2008 | $3.55 | $5.35 |
| April 21, 2008 | $3.64 | $5.48 |
| April 28, 2008 | $3.73 | $5.61 |
| May 5, 2008 | $3.73 | $5.58 |
| May 12, 2008 | $3.81 | $5.70 |
| May 19, 2008 | $3.89 | $5.82 |
| May 26, 2008 | $4.03 | $6.03 |
| June 2, 2008 | $4.15 | $6.14 |
| June 9, 2008 | $4.24 | $6.28 |
| June 16, 2008 | $4.33 | $6.40 |
| June 23, 2008 | $4.35 | $6.44 |
| June 30, 2008 | $4.37 | $6.47 |
| July 7, 2008 | $4.37 | $6.42 |
| July 14, 2008 | $4.35 | $6.39 |
| July 21, 2008 | $4.31 | $6.33 |
| July 28, 2008 | $4.23 | $6.22 |
| August 4, 2008 | $4.14 | $6.10 |
| August 11, 2008 | $4.05 | $5.97 |
| August 18, 2008 | $3.97 | $5.85 |
| August 25, 2008 | $3.91 | $5.76 |
| September 1, 2008 | $3.88 | $5.70 |
| September 8, 2008 | $3.83 | $5.63 |
| September 15, 2008 | $3.80 | $5.59 |
| September 22, 2008 | $3.73 | $5.48 |
| September 29, 2008 | $3.68 | $5.41 |
| October 6, 2008 | $3.59 | $5.32 |
| October 13, 2008 | $3.33 | $4.94 |
| October 20, 2008 | $3.09 | $4.58 |
| October 27, 2008 | $2.81 | $4.18 |
| November 3, 2008 | $2.59 | $3.91 |
| November 10, 2008 | $2.42 | $3.65 |
| November 17, 2008 | $2.25 | $3.40 |
| November 24, 2008 | $2.08 | $3.14 |
| December 1, 2008 | $1.97 | $3.00 |
| December 8, 2008 | $1.85 | $2.82 |
| December 15, 2008 | $1.78 | $2.72 |
| December 22, 2008 | $1.78 | $2.72 |
| December 29, 2008 | $1.79 | $2.72 |
2008: Washington and the national picture
2008 coincided with the oil-price spike and the global financial crisis. In Washington, the weekly average for regular gasoline ran from a low of $1.78 (December 15, 2008) to a high of $4.37 (July 7, 2008). Adjusted for inflation, the year’s average of $5.09 ranks 3rd-highest in the state’s weekly record.
How 2008 compares, adjusted for inflation
2008 was Washington’s 3rd-most-expensive year for gas on record, adjusted for inflation — equivalently, the 22nd-cheapest of 24 years (2003–2026).
Washington fuel prices by grade in 2008
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 | $3.41 | $5.09 | — |
| Midgrade | $3.53 | $5.28 | +12.5¢ |
| Premium | $3.64 | $5.43 | +23.1¢ |
Washington gas prices in 2008, answered
- What was the average price of gas in Washington in 2008?
- The average price of regular gasoline in Washington in 2008 was $3.41 per gallon — about $5.09 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Washington during 2008?
- Washington's weekly average for regular gasoline peaked at $4.37 the week of July 7, 2008 and bottomed out at $1.78 the week of December 15, 2008 — a swing of 145.0% across the year.
- Were gas prices in Washington higher in 2008 than in 2007?
- Adjusted for inflation, regular gasoline in Washington was more expensive in 2008 than in 2007, up 10.4% year over year.
- How does 2008 rank for gas prices in Washington history?
- Adjusted for inflation, 2008 was the 3rd-most-expensive year for regular gasoline in Washington out of the 24 years EIA has published weekly prices (2003–2026).