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U.S. gas prices in December 2025
Regular gasoline in the United States averaged $2.894 per gallon in December 2025, based on 5 weekly EIA readings. That is 15.5 cents lower than in November 2025. Compared with December 2024, prices were 12.3 cents lower.
Diesel averaged $3.615 per gallon, 20.7 cents lower than in November 2025.
Weekly regular price in December 2025
The lowest weekly average was $2.811 (week of Dec 29, 2025) and the highest $2.985 (week of Dec 1, 2025).
National averages: December 2025
| Fuel | December 2025 | November 2025 | December 2024 |
|---|---|---|---|
| Regular gasoline | $2.894 | $3.050 | $3.018 |
| Diesel | $3.615 | $3.822 | $3.494 |
Cheapest and most expensive states
Among the states EIA tracks individually, Colorado had the cheapest regular gas in December 2025 at $2.300 per gallon, while California was the most expensive at $4.182 – a gap of $1.88 per gallon, or about $28.23 on a 15-gallon fill-up. The biggest monthly move was in Massachusetts (down 4.1 cents), while Colorado changed down 33.6 cents.
| State | Regular, avg | vs last month | vs last year |
|---|---|---|---|
| Colorado | $2.300 | −$0.336 | −$0.509 |
| Texas | $2.447 | −$0.125 | −$0.109 |
| Ohio | $2.663 | −$0.318 | −$0.323 |
| Florida | $2.801 | −$0.101 | −$0.227 |
| Minnesota | $2.802 | −$0.128 | −$0.067 |
| Massachusetts | $2.919 | −$0.041 | −$0.062 |
| New York | $2.986 | −$0.053 | −$0.084 |
| Washington | $3.894 | −$0.202 | +$0.097 |
| California | $4.182 | −$0.271 | +$0.060 |
See each state's history: Colorado · Texas · Ohio · Florida · Minnesota · Massachusetts · New York · Washington · California.
Regions (PADD)
| Region | Regular, avg | vs last month | vs last year |
|---|---|---|---|
| Gulf Coast (PADD 3) | $2.474 | −$0.114 | −$0.127 |
| Rocky Mountain (PADD 4) | $2.580 | −$0.337 | −$0.256 |
| Midwest (PADD 2) | $2.672 | −$0.204 | −$0.209 |
| Lower Atlantic (PADD 1C) | $2.741 | −$0.093 | −$0.159 |
| East Coast (PADD 1) | $2.853 | −$0.089 | −$0.123 |
| New England (PADD 1A) | $2.919 | −$0.051 | −$0.069 |
| Central Atlantic (PADD 1B) | $3.007 | −$0.095 | −$0.085 |
| West Coast excluding California | $3.517 | −$0.239 | +$0.061 |
| West Coast (PADD 5) | $3.867 | −$0.252 | +$0.063 |
Major cities
Of the metro areas in the EIA survey, Denver was the cheapest in December 2025 ($2.258) and Los Angeles the most expensive ($4.190).
| City | Regular, avg | vs last month | vs last year |
|---|---|---|---|
| Denver | $2.258 | −$0.319 | −$0.516 |
| Houston | $2.383 | −$0.116 | −$0.158 |
| Cleveland | $2.719 | −$0.254 | −$0.256 |
| Miami | $2.858 | −$0.075 | −$0.197 |
| New York City | $2.882 | −$0.080 | −$0.045 |
| Boston | $2.914 | −$0.050 | −$0.071 |
| Chicago | $3.073 | −$0.218 | −$0.240 |
| San Francisco | $4.142 | −$0.284 | −$0.015 |
| Seattle | $4.186 | −$0.142 | +$0.142 |
| Los Angeles | $4.190 | −$0.286 | +$0.100 |
Oil prices and gas prices
Brent crude averaged $61.80 per barrel in December 2025, 2.9% lower than in November 2025. Crude oil is the biggest single part of the pump price, but taxes, refining margins, seasonal fuel blends and local supply also matter. See the live oil price page.
FAQ
What was the average price of gas in December 2025?
Regular gasoline averaged $2.894 per gallon in the United States in December 2025, according to the weekly EIA survey.
What was the average price of diesel in December 2025?
Diesel averaged $3.615 per gallon nationally in December 2025.
Which state had the cheapest gas in December 2025?
Colorado had the lowest average among the states EIA tracks individually: $2.300 per gallon.
Source: U.S. Energy Information Administration (EIA), weekly retail gasoline and diesel prices (public domain). Monthly figure = average of the weekly Monday readings in the month. Calculations by FuelPriceAtlas.
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