Climate at a Glance

City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.


Boston, Massachusetts

Average Temperature Rankings, December 2021

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2021
1-Month
39.3°F
(4.1°C)
34.8°F
(1.6°C)
4.5°F
(2.5°C)
79th Coolest Coolest since: 2020 1989
8th Warmest Warmest since: 2015 2015
Ties: 1998
Nov–Dec 2021
2-Month
42.0°F
(5.6°C)
39.7°F
(4.3°C)
2.3°F
(1.3°C)
73rd Coolest Coolest since: 2019 1989
14th Warmest Warmest since: 2020 2015
Oct–Dec 2021
3-Month
48.0°F
(8.9°C)
44.5°F
(6.9°C)
3.5°F
(2.0°C)
81st Coolest Coolest since: 2020 1976
6th Warmest Warmest since: 2015 2011, 2015
Sep–Dec 2021
4-Month
53.4°F
(11.9°C)
49.6°F
(9.8°C)
3.8°F
(2.1°C)
84th Coolest Coolest since: 2020 1976
3rd Warmest Warmest since: 2015 2015
Aug–Dec 2021
5-Month
58.1°F
(14.5°C)
54.1°F
(12.3°C)
4.0°F
(2.2°C)
85th Coolest Coolest since: 2020 1976
2nd Warmest Warmest since: 2015 2015
Jul–Dec 2021
6-Month
60.5°F
(15.8°C)
57.4°F
(14.1°C)
3.1°F
(1.7°C)
84th Coolest Coolest since: 2020 1976
3rd Warmest Warmest since: 2015 2011
Jun–Dec 2021
7-Month
62.5°F
(16.9°C)
58.8°F
(14.9°C)
3.7°F
(2.0°C)
86th Coolest Coolest since: 2020 1962, 1976
1st Warmest Warmest to Date 2021
May–Dec 2021
8-Month
62.3°F
(16.8°C)
58.7°F
(14.8°C)
3.6°F
(2.0°C)
86th Coolest Coolest since: 2020 1962
1st Warmest Warmest to Date 2021
Apr–Dec 2021
9-Month
61.0°F
(16.1°C)
57.5°F
(14.2°C)
3.5°F
(1.9°C)
86th Coolest Coolest since: 2020 1940, 1967
1st Warmest Warmest to Date 2021
Mar–Dec 2021
10-Month
59.1°F
(15.1°C)
55.6°F
(13.1°C)
3.5°F
(2.0°C)
86th Coolest Coolest since: 2020 1940, 1967
1st Warmest Warmest to Date 2021
Feb–Dec 2021
11-Month
56.6°F
(13.7°C)
53.4°F
(11.9°C)
3.2°F
(1.8°C)
86th Coolest Coolest since: 2020 1967
1st Warmest Warmest to Date 2021
Jan–Dec 2021
12-Month
54.6°F
(12.6°C)
51.4°F
(10.8°C)
3.2°F
(1.8°C)
86th Coolest Coolest since: 2020 1940
1st Warmest Warmest to Date 2021
Jul 2020–Dec 2021
18-Month
56.4°F
(13.6°C)
53.3°F
(11.8°C)
3.1°F
(1.8°C)
84th Coolest Coolest since: 2020 1940
2nd Warmest Warmest since: 2012 2012
Jan 2020–Dec 2021
24-Month
54.4°F
(12.4°C)
51.3°F
(10.7°C)
3.1°F
(1.7°C)
85th Coolest Coolest since: 2020 1940
1st Warmest Warmest to Date 2021
Jan 2019–Dec 2021
36-Month
53.5°F
(11.9°C)
51.3°F
(10.7°C)
2.2°F
(1.2°C)
83rd Coolest Coolest since: 2020 1940, 1941
2nd Warmest Warmest since: 2012 2012
Jan 2018–Dec 2021
48-Month
53.2°F
(11.8°C)
51.2°F
(10.7°C)
2.0°F
(1.1°C)
82nd Coolest Coolest since: 2020 1940, 1942, 1943
2nd Warmest Warmest since: 2013 2013
Jan 2017–Dec 2021
60-Month
53.1°F
(11.7°C)
51.2°F
(10.7°C)
1.9°F
(1.0°C)
82nd Coolest Coolest since: 2020 1943
1st Warmest Warmest to Date 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on October 2, 2022 from https://www.ncdc.noaa.gov/cag/