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Diesel price in May 2026

Name: Average U.S. Diesel Price, May 2026
Creator: Weekly Diesel
License: https://creativecommons.org/publicdomain/zero/1.0/

U.S. EIA weekly diesel averaged $5.599/gal over 4 readings

The average U.S. on-highway diesel price in May 2026 was $5.599 per gallon, calculated from 4 EIA weekly readings.
The weekly low was $5.523; the weekly high was $5.640.
That monthly average was $0.098 higher than April 2026.
It was $2.100 higher than May 2025.

This page is a simple calendar-month view of the official EIA weekly U.S. on-highway diesel series: it averages the survey weeks listed below. It is not a separate government monthly series, and no missing weeks are estimated.

May 2026 weekly chart

U.S. average on-highway diesel, May 2026. Source: EIA weekly survey.

Every EIA week in May 2026

Week of	$/gal	Change
May 4, 2026	$5.640	▲+$0.289
May 11, 2026	$5.639	▼−$0.001
May 18, 2026	$5.596	▼−$0.043
May 25, 2026	$5.523	▼−$0.073

← April 2026 · June 2026 → · all of 2026 · all months and years · monthly CSV

The source series is the EIA weekly U.S. on-highway diesel price, published by survey Monday. See the methodology and download the underlying weekly CSV.