This seems consistent with Colby’s climate:
Average January Low Temperature (°F)
Colby: 8.1
Middlebury: 8.8
Bates: 8.9
Bowdoin: 9.0
Hamilton: 12.0
Williams: 12.1
Amherst: 13.2
Trinity: 17.8
Wesleyan: 18.7
Tufts: 19.1
Connecticut College: 21.0
U.S. average: 21.7