California diesel price in August 2025
4 official EIA weekly readings
- The average California on-highway diesel price in August 2025 was $4.895 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $4.871; the weekly high was $4.946.
- That monthly average was $0.041 lower than July 2025.
- It was $0.137 higher than August 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.
August 2025 weekly chart
Every EIA week in August 2025
| Week of | $/gal | Change |
|---|---|---|
| $4.946 | ▼−$0.011 | |
| $4.889 | ▼−$0.057 | |
| $4.871 | ▼−$0.018 | |
| $4.873 | ▲+$0.002 |
← July 2025 · September 2025 → · all of 2025 · all California history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.