NRCC Northeast Regional Climate Center  

December State Temperature Averages

State December 2006 Coolest Warmest
Temperature Departure Rank Average Year Average Year
Connecticut 38.3 7.2 112 17.5 1989 38.3 2006
Delaware 44.0 5.6 108 26.0 1989 44.8 1984
Maine 27.0 6.6 106 5.3 1989 29.4 1900
Maryland 42.8 6.0 109 24.5 1989 43.6 1984
Massachusetts 36.8 6.6 111 16.4 1989 37.2 1923
New Hampshire 32.1 8.0 112 8.5 1989 32.1 2006
New Jersey 41.6 6.2 111 23.1 1989 41.7 2001
New York 35.0 8.5 112 11.5 1989 35.0 2006
Pennsylvania 37.6 6.9 111 17.8 1989 38.4 1923
Rhode Island 39.9 5.7 111 21.9 1989 42.4 1928
Vermont 30.7 8.0 112 5.0 1989 30.7 2006
West Virginia 39.4 5.0 103 21.7 1989 42.6 1956
Northeast 35.4 7.0 111 14.4 1989 35.5 1923

Rankings are for 112 years between 1895 and 2006. 1=coolest; 112=warmest.

December State Precipitation Averages

State December 2006 Driest Wettest
Precipitation Departure Pct Normal Rank Amount Year Amount Year
Connecticut 2.28 -1.80 55% 20 0.79 1955 9.37 1973
Delaware 2.18 -1.37 61% 21 0.64 1988 8.15 1996
Maine 2.86 -0.65 81% 38 0.94 1943 8.76 1973
Maryland 2.41 -1.00 70% 31 0.48 1955 6.95 1969
Massachusetts 2.42 -1.63 59% 26 0.92 1943 8.52 1973
New Hampshire 3.42 -0.02 99% 58 0.94 1943 8.72 1973
New Jersey 2.75 -0.96 74% 37 0.39 1955 7.96 1996
New York 2.97 -0.27 91% 58 1.13 1943 6.04 1973
Pennsylvania 2.53 -0.63 79% 44 0.58 1955 6.23 1990
Rhode Island 2.34 -2.02 53% 20 0.71 1955 10.20 1936
Vermont 3.65 0.46 114% 84 0.99 1943 7.51 1973
West Virginia 1.49 -1.94 43% 6 0.69 1965 7.08 1978
Northeast 2.64 -0.74 78% 34 1.02 1955 6.41 1973

Rankings are for 112 years between 1895 and 2006. 1=driest; 112=wettest.

Departures are calculated using the 1971-2000 normals.