data californiaCalData uses data to deliver better decisions, services, and outcomes for Californians. As the central data team for the state, we empower people to use data. We build infrastructure,California average gas prices ; Current Avg. $4.895, $5.110 ; Avg. $4.910, $5.115 ; Week Ago Avg. $4.915, $5.116 ; Month Ago Avg. $4.836, $5.043