Contiguous U.S. December-January Average Temperature
Degrees Fahrenheit
1901-1992
-99
189601
31.60
0.32
189701
31.86
0.58
189801
30.72
-0.56
189901
29.18
-2.10
190001
32.87
1.59
190101
33.05
1.77
190201
30.77
-0.51
190301
30.84
-0.44
190401
29.05
-2.23
190501
29.56
-1.72
190601
31.94
0.66
190701
32.83
1.55
190801
33.58
2.30
190901
32.81
1.53
191001
27.61
-3.67
191101
32.42
1.14
191201
28.48
-2.80
191301
31.71
0.43
191401
33.92
2.64
191501
27.61
-3.67
191601
30.70
-0.58
191701
28.61
-2.67
191801
26.75
-4.53
191901
33.14
1.86
192001
29.01
-2.27
192101
33.75
2.47
192201
30.94
-0.34
192301
34.07
2.79
192401
31.12
-0.16
192501
28.34
-2.94
192601
31.41
0.13
192701
31.44
0.16
192801
30.10
-1.18
192901
29.63
-1.65
193001
28.75
-2.53
193101
32.08
0.80
193201
33.31
2.03
193301
31.86
0.58
193401
35.76
4.48
193501
32.09
0.81
193601
29.05
-2.23
193701
29.66
-1.62
193801
32.42
1.14
193901
34.06
2.78
194001
30.78
-0.50
194101
34.13
2.85
194201
32.98
1.70
194301
31.19
-0.09
194401
32.31
1.03
194501
30.58
-0.70
194601
30.24
-1.04
194701
33.98
2.70
194801
30.40
-0.88
194901
29.25
-2.03
195001
31.85
0.57
195101
31.61
0.33
195201
31.62
0.34
195301
34.94
3.66
195401
32.30
1.02
195501
31.63
0.35
195601
31.36
0.08
195701
31.65
0.37
195801
34.30
3.02
195901
30.86
-0.42
196001
32.70
1.42
196101
30.06
-1.22
196201
29.02
-2.26
196301
28.92
-2.36
196401
29.72
-1.56
196501
31.92
0.64
196601
31.12
-0.16
196701
32.89
1.61
196801
30.51
-0.77
196901
29.71
-1.57
197001
30.30
-0.98
197101
31.50
0.22
197201
31.96
0.68
197301
29.73
-1.55
197401
32.36
1.08
197501
33.00
1.72
197601
32.11
0.83
197701
27.01
-4.27
197801
29.57
-1.71
197901
25.85
-5.43
198001
33.58
2.30
198101
33.80
2.52
198201
29.94
-1.34
198301
34.47
3.19
198401
27.15
-4.13
198501
30.43
-0.85
198601
31.75
0.47
198701
32.94
1.66
198801
31.17
-0.11
198901
33.78
2.50
199001
32.12
0.84
199101
30.16
-1.12
199201
34.68
3.40