West Coast less California diesel price in January 2026
4 official EIA weekly readings
- The average West Coast less California on-highway diesel price in January 2026 was $3.771 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $3.674; the weekly high was $3.944.
- That monthly average was $0.094 lower than December 2025.
- It was $0.030 lower than January 2025.
This is a calendar-month view of the official EIA weekly West Coast less California series. It averages only the source weeks listed below, not a separate government monthly estimate.
January 2026 weekly chart
Every EIA week in January 2026
| Week of | $/gal | Change |
|---|---|---|
| $3.683 | ▼−$0.036 | |
| $3.674 | ▼−$0.009 | |
| $3.782 | ▲+$0.108 | |
| $3.944 | ▲+$0.162 |
← December 2025 · February 2026 → · all of 2026 · all West Coast less California history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.