Gas Prices Unchanged
Average gasoline prices in Montana are unchanged in the last week, averaging $4.58/g on Tuesday, May 26, according to GasBuddy’s survey of 615 stations in Montana. Prices in Montana are 67.2 cents per gallon higher than a month ago and stand $1.38/g higher than a year ago. The national average price of diesel has decreased 4.0 cents compared to a week ago and stands at $5.571/g.
According to GasBuddy price reports, the cheapest station in Montana was priced at $3.99/g on Monday, May 25, while the most expensive was $5.40/g, a difference of $1.41/g.
The national average price of gasoline has fallen 6.6 cents per gallon in the last week, averaging $4.45/g on Tuesday. The national average is up 41.0 cents per gallon from a month ago and stands $1.32/g higher than a year ago, according to GasBuddy data.
Historical gasoline prices in Montana and the national average going back five years: May 26, 2025: $3.20/g (U.S. Average: $3.13/g) May 26, 2024: $3.41/g (U.S. Average: $3.56/g) May 26, 2023: $3.60/g (U.S. Average: $3.55/g) May 26, 2022: $4.39/g (U.S. Average: $4.60/g) May 26, 2021: $2.92/g (U.S. Average: $3.04/g) “Average gasoline prices declined in 40 states over the last week as falling oil prices helped offset earlier price cycling in many markets, bringing relief to motorists after several states had already seen sharp increases,” said GasBuddy’s Patrick De Haan.
