The Virginia opossum’s long breeding season varies based on location and the number of litters varies based on climate with 1 litter per year in the north and 3 in warmer zones.
The Virginia opossum has a long breeding season, however, the exact months of the breeding season varies based on an individual’s location. In populations found at 44° N latitude, the breeding season lasts from February to September, whereas at 30°N latitude, the breeding season typically lasts from January to August.
Likewise, the number of litters per year varies based on the climate. In northern regions, Virginia opossums average only one litter per year, in warmer climates the number of litters may increase to 3 per year.
Sources: (Burnie, Wilson, & Clutton-Brock, 2001; Christiansen, 2006; Feldhamer, Drickamer, Vessey, Merritt, & Krajewski, 2007; Hoffmeister, 2002; Holmes, 1992, May; Hossler, McAninch, & Harder, 1994; McManus, 1974; O’Connell, 2006; Rademaker & Cerqueira, 2006; Siciliano, 2013)