The domestic box office kept up its record pace in June, toppling the four-year-old record for the month on the strength of hits such as "Man of Steel" and "Monsters University."

Overall grosses for the month hit $1.25 billion, 15 percent ahead of the $1.09 billion haul in 2009, according to BoxOfficeMojo, and 18 percent higher than last June.

Also read: Summer Box Office Up 13 Percent: How Hollywood's Big Bet Is Paying Off

Warner Bros.' "Man of Steel" led the box-office hit parade with $249 million domestic and Disney’s Pixar family film "Monsters University" was second, with $170 million through just 10 days. "World War Z" took in $123 million. Lionsgate and Summit Entertainment's surprise hit "Now You See Me" has taken in more than $105 million since debuting on May 31.

Also read: Best May Ever at the Box Office – Are We in for a Record Summer, Too?

This marks the second consecutive record-setting month at the domestic box office during the crucial summer season.

The summer box office is running nearly 15 percent over last year, which topped out at $4.29 billion. If it stays on its current pace, this year will beat the summer record of $4.4 billion set in 2009.