Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Massachusetts

Average Temperature Rankings, December 2021

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2021
1-Month
36.0°F
(2.2°C)
28.1°F
(-2.2°C)
7.9°F
(4.4°C)
126th Coolest
Coolest since:
1989
3rd Warmest
Warmest since:
2015
Nov–Dec 2021
2-Month
38.4°F
(3.6°C)
33.7°F
(0.9°C)
4.7°F
(2.7°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2015
Oct–Dec 2021
3-Month
44.4°F
(6.9°C)
39.1°F
(3.9°C)
5.3°F
(3.0°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Sep–Dec 2021
4-Month
49.5°F
(9.7°C)
44.4°F
(6.9°C)
5.1°F
(2.8°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Aug–Dec 2021
5-Month
54.1°F
(12.3°C)
49.1°F
(9.5°C)
5.0°F
(2.8°C)
127th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2015
Jul–Dec 2021
6-Month
56.7°F
(13.7°C)
52.5°F
(11.4°C)
4.2°F
(2.3°C)
126th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2015
Ties: 2022
Jun–Dec 2021
7-Month
58.5°F
(14.7°C)
54.2°F
(12.3°C)
4.3°F
(2.4°C)
128th Coolest
Coolest since:
1904
1st Warmest
Warmest to Date
2021
May–Dec 2021
8-Month
58.4°F
(14.7°C)
54.4°F
(12.4°C)
4.0°F
(2.3°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Apr–Dec 2021
9-Month
57.2°F
(14.0°C)
53.3°F
(11.8°C)
3.9°F
(2.2°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Mar–Dec 2021
10-Month
55.3°F
(12.9°C)
51.4°F
(10.8°C)
3.9°F
(2.1°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2021
Feb–Dec 2021
11-Month
52.8°F
(11.6°C)
49.0°F
(9.4°C)
3.8°F
(2.2°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2012
Ties: 2022
Jan–Dec 2021
12-Month
50.8°F
(10.4°C)
46.9°F
(8.3°C)
3.9°F
(2.1°C)
126th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Jul 2020–Dec 2021
18-Month
52.7°F
(11.5°C)
48.8°F
(9.3°C)
3.9°F
(2.2°C)
126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Ties: 2016
Jan 2020–Dec 2021
24-Month
50.9°F
(10.5°C)
46.9°F
(8.3°C)
4.0°F
(2.2°C)
127th Coolest
Coolest since:
1905
1st Warmest
Warmest to Date
2021
Jan 2019–Dec 2021
36-Month
50.1°F
(10.1°C)
46.9°F
(8.3°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1905
3rd Warmest
Warmest since:
2022
Jan 2018–Dec 2021
48-Month
49.9°F
(9.9°C)
46.9°F
(8.3°C)
3.0°F
(1.6°C)
123rd Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
2022
Jan 2017–Dec 2021
60-Month
49.9°F
(9.9°C)
46.9°F
(8.3°C)
3.0°F
(1.6°C)
123rd Coolest
Coolest since:
1907
2nd Warmest
Warmest to Date
2022

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