3. Warmer Winters: 4.3 º F, 1971-2002 Winter (Dec-Jan-Feb) Mean Temp ( ºF) Cameron Wake, UNH Boston is the new Philly; NYC is the new D.C. (winter temps.) 38 39 40 41 42 43 29 30 31 32 33 34 35 36 37 Latitude ( o N) o Boston New York Philadelphia Washington, DC