The average price for gas in Massachusetts is $3.849 a gallon in the latest weekly AAA survey, up 1 cent from the previous week’s average, AAA Southern New England said Monday.

Prices locally are up 8 cents over the past month.

The current national average for gas is $3.78 a gallon, AAA Southern New England said. A year ago at this time, the Massachusetts average price was $3.45.

The surveys focus on self-serve, regular, unleaded gas.