 Its climate is quite similar to those seen in northern Pennsylvania, although the average winter high temperatures are a bit higher.Somerset holds the June and November record lows for the state of Pennsylvania.Somerset is also the only place in Pennsylvania to receive accumulations of snow in June (other places received a partial dusting at most) when it received 3 inches of snow from the same polar front that caused it to drop to 20 degrees on June 10, 1913.