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California diesel price in 2025

52 official EIA weekly readings

The average California on-highway diesel price in 2025 was $4.850 per gallon over 52 weekly readings.
The weekly low was $4.618 (week of January 6, 2025); the high was $4.996 (week of November 17, 2025).
That average was $0.081 lower than 2024.
By average price, 2025 ranks #5 of 32 years in this regional EIA series.

This is a calendar-year view of the official EIA weekly series for California. It does not estimate prices for individual states or cities. Every weekly source reading used in the annual average appears below.

2025 weekly chart

California on-highway diesel, 2025. Source: EIA weekly survey.

Every EIA week in 2025

Week of	$/gal	Change
January 6, 2025	$4.618	▲+$0.042
January 13, 2025	$4.716	▲+$0.098
January 20, 2025	$4.807	▲+$0.091
January 27, 2025	$4.793	▼−$0.014
February 3, 2025	$4.787	▼−$0.006
February 10, 2025	$4.796	▲+$0.009
February 17, 2025	$4.839	▲+$0.043
February 24, 2025	$4.877	▲+$0.038
March 3, 2025	$4.850	▼−$0.027
March 10, 2025	$4.807	▼−$0.043
March 17, 2025	$4.766	▼−$0.041
March 24, 2025	$4.776	▲+$0.010
March 31, 2025	$4.776	$0.000
April 7, 2025	$4.827	▲+$0.051
April 14, 2025	$4.797	▼−$0.030
April 21, 2025	$4.755	▼−$0.042
April 28, 2025	$4.740	▼−$0.015
May 5, 2025	$4.728	▼−$0.012
May 12, 2025	$4.760	▲+$0.032
May 19, 2025	$4.835	▲+$0.075
May 26, 2025	$4.808	▼−$0.027
June 2, 2025	$4.768	▼−$0.040
June 9, 2025	$4.739	▼−$0.029
June 16, 2025	$4.781	▲+$0.042
June 23, 2025	$4.893	▲+$0.112
June 30, 2025	$4.866	▼−$0.027
July 7, 2025	$4.892	▲+$0.026
July 14, 2025	$4.932	▲+$0.040
July 21, 2025	$4.963	▲+$0.031
July 28, 2025	$4.957	▼−$0.006
August 4, 2025	$4.946	▼−$0.011
August 11, 2025	$4.889	▼−$0.057
August 18, 2025	$4.871	▼−$0.018
August 25, 2025	$4.873	▲+$0.002
September 1, 2025	$4.914	▲+$0.041
September 8, 2025	$4.958	▲+$0.044
September 15, 2025	$4.971	▲+$0.013
September 22, 2025	$4.985	▲+$0.014
September 29, 2025	$4.981	▼−$0.004
October 6, 2025	$4.971	▼−$0.010
October 13, 2025	$4.940	▼−$0.031
October 20, 2025	$4.898	▼−$0.042
October 27, 2025	$4.934	▲+$0.036
November 3, 2025	$4.933	▼−$0.001
November 10, 2025	$4.988	▲+$0.055
November 17, 2025	$4.996	▲+$0.008
November 24, 2025	$4.983	▼−$0.013
December 1, 2025	$4.919	▼−$0.064
December 8, 2025	$4.862	▼−$0.057
December 15, 2025	$4.781	▼−$0.081
December 22, 2025	$4.711	▼−$0.070
December 29, 2025	$4.660	▼−$0.051

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EIA redesigned the survey sample and estimation methodology effective the June 13, 2022 release. Comparisons that span that date reflect both market and methodology changes.