Milford police arrested John Tufaro, 58, of Milford on May 9 after they received a complaint of a domestic violence disturbance at a home on Meetinghouse Lane.
Police accuse Tufaro of throwing a bat at his spouse during an argument and striking her in the head causing a minor injury.
Tufaro is charged with third-degree assault and disorderly conduct.
He was released on a promise to appear in court on May 11.