Montana Diesel prices, liter

We show diesel price data for Montana from 05-Jan-2026 to 13-Apr-2026. The average diesel price during that period is 1.07 per liter with a minimum of 0.84 on 12-Jan-2026 and a maximum of 1.42 on 06-Apr-2026. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Montana every week.