California diesel price in July 2026
4 official EIA weekly readings
- The average California on-highway diesel price in July 2026 was $6.335 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $6.073; the weekly high was $6.670.
- That monthly average was $0.335 lower than June 2026.
- It was $1.399 higher than July 2025.
This is a calendar-month view of the official EIA weekly California series. It averages only the source weeks listed below, not a separate government monthly estimate.
July 2026 weekly chart
Every EIA week in July 2026
| Week of | $/gal | Change |
|---|---|---|
| $6.073 | ▼−$0.107 | |
| $6.126 | ▲+$0.053 | |
| $6.471 | ▲+$0.345 | |
| $6.670 | ▲+$0.199 |
← June 2026 · August 2026 → · all of 2026 · all California history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.