It gets really cold in winter in some of the southern states, too. Here, in Tennessee, we still have to cut firewood and keep a woodstove available to be used in winter. Also, life without air conditioning in summer would be - - - whew!!!
I know, but I was in Presque Isle, Maine in January, 2009 and one morning it was 50 degrees below zero...with no wind. that was the real temp. By about 2:00 PM it reaches a high temp of 10 below zero.