PADD 3 diesel price (Gulf Coast) in May 2026
4 official EIA weekly readings
- The average PADD 3 (Gulf Coast) on-highway diesel price in May 2026 was $5.124 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $5.045; the weekly high was $5.178.
- That monthly average was $0.077 lower than April 2026.
- It was $1.961 higher than May 2025.
This is a calendar-month view of the official EIA weekly Gulf Coast series. It averages only the source weeks listed below, not a separate government monthly estimate.
May 2026 weekly chart
Every EIA week in May 2026
| Week of | $/gal | Change |
|---|---|---|
| $5.178 | ▲+$0.166 | |
| $5.152 | ▼−$0.026 | |
| $5.122 | ▼−$0.030 | |
| $5.045 | ▼−$0.077 |
← April 2026 · June 2026 → · all of 2026 · all Gulf Coast history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.