Chipmunk Development By clairerbeste Period: Jan 1, 2013 to Dec 9, 2013 1 Year Apr 1, 2013 Chipmunks mate in early spring. Chipmunks mate in early spring. Jun 1, 2013 Chipmunks mate again in early summer Jul 15, 2013 Baby chipmunks emerge from the burrow six weeks later
