The average price for gas in Massachusetts is $3.589 a gallon in the latest weekly AAA survey, up 3 cents from the previous week’s average, AAA Southern New England said Monday.
Local prices have risen 20 cents over the past month, AAA Southern New England said.
The current national average is $3.61 a gallon. A year ago at this time, the Massachusetts average price was $3.73.
AAA’s weekly surveys focus on self-serve, regular unleaded gas.