Massachusetts 18-Month Period Ending in January Average Temperature
Degrees Fahrenheit
1901-2000
-99
189701
45.7
-0.5
189801
45.6
-0.6
189901
46.2
0.0
190001
46.0
-0.2
190101
46.2
0.0
190201
45.6
-0.6
190301
45.3
-0.9
190401
44.7
-1.5
190501
42.7
-3.5
190601
44.2
-2.0
190701
45.5
-0.7
190801
44.6
-1.6
190901
46.0
-0.2
191001
45.8
-0.4
191101
45.8
-0.4
191201
44.9
-1.3
191301
45.8
-0.4
191401
47.0
0.8
191501
45.6
-0.6
191601
46.2
0.0
191701
45.2
-1.0
191801
43.5
-2.7
191901
44.5
-1.7
192001
45.9
-0.3
192101
45.0
-1.2
192201
47.2
1.0
192301
45.7
-0.5
192401
45.3
-0.9
192501
45.2
-1.0
192601
45.8
-0.4
192701
44.0
-2.2
192801
45.9
-0.3
192901
46.4
0.2
193001
46.5
0.3
193101
46.6
0.4
193201
48.0
1.8
193301
48.0
1.8
193401
46.6
0.4
193501
44.7
-1.5
193601
45.4
-0.8
193701
46.2
0.0
193801
46.5
0.3
193901
46.8
0.6
194001
46.0
-0.2
194101
44.6
-1.6
194201
46.1
-0.1
194301
46.7
0.5
194401
45.6
-0.6
194501
45.8
-0.4
194601
46.4
0.2
194701
46.8
0.6
194801
46.4
0.2
194901
46.7
0.5
195001
49.1
2.9
195101
47.0
0.8
195201
47.4
1.2
195301
47.6
1.4
195401
48.2
2.0
195501
47.4
1.2
195601
46.9
0.7
195701
45.3
-0.9
195801
47.3
1.1
195901
45.9
-0.3
196001
46.5
0.3
196101
46.5
0.3
196201
46.1
-0.1
196301
45.9
-0.3
196401
45.3
-0.9
196501
45.8
-0.4
196601
45.5
-0.7
196701
46.5
0.3
196801
45.5
-0.7
196901
45.8
-0.4
197001
45.9
-0.3
197101
45.9
-0.3
197201
46.6
0.4
197301
46.4
0.2
197401
47.5
1.3
197501
47.2
1.0
197601
46.7
0.5
197701
45.9
-0.3
197801
45.5
-0.7
197901
45.6
-0.6
198001
46.9
0.7
198101
46.1
-0.1
198201
45.7
-0.5
198301
46.0
-0.2
198401
47.6
1.4
198501
47.1
0.9
198601
47.2
1.0
198701
46.5
0.3
198801
46.3
0.1
198901
46.7
0.5
199001
46.6
0.4
199101
47.6
1.4
199201
49.1
2.9
199301
46.6
0.4
199401
45.9
-0.3
199501
47.3
1.1
199601
47.4
1.2
199701
46.5
0.3
199801
47.2
1.0
199901
48.7
2.5
200001
49.0
2.8
200101
47.5
1.3
200201
48.0
1.8
200301
48.7
2.5
200401
46.4
0.2
200501
47.3
1.1
200601
48.1
1.9
200701
49.5
3.3
200801
48.3
2.1
200901
47.7
1.5
201001
47.2
1.0
201101
48.9
2.7
201201
49.0
2.8
201301
50.7
4.5
201401
48.3
2.1
201501
46.9
0.7
201601
48.1
1.9
201701
50.5
4.3
201801
49.0
2.8