California diesel price in May 2025
4 official EIA weekly readings
- The average California on-highway diesel price in May 2025 was $4.783 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $4.728; the weekly high was $4.835.
- That monthly average was $0.003 higher than April 2025.
- It was $0.295 lower than May 2024.
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.
May 2025 weekly chart
Every EIA week in May 2025
| Week of | $/gal | Change |
|---|---|---|
| $4.728 | ▼−$0.012 | |
| $4.760 | ▲+$0.032 | |
| $4.835 | ▲+$0.075 | |
| $4.808 | ▼−$0.027 |
← April 2025 · June 2025 → · all of 2025 · all California history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.