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 January 2021. For more information, please see Climatological Rankings.


Boston, Massachusetts

Average Temperature Rankings, December 2020

View Period (Months):All1234567891011121824364860
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  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2020
1-Month
37.1°F
(2.8°C)
34.5°F
(1.4°C)
2.6°F
(1.4°C)
69th Coolest Coolest since: 2019 1989
17th Warmest Warmest since: 2015 2015
Nov–Dec 2020
2-Month
43.2°F
(6.2°C)
39.5°F
(4.2°C)
3.7°F
(2.0°C)
80th Coolest Coolest since: 2019 1989
6th Warmest Warmest since: 2015 2015
Oct–Dec 2020
3-Month
47.6°F
(8.7°C)
44.3°F
(6.8°C)
3.3°F
(1.9°C)
80th Coolest Coolest since: 2019 1976
6th Warmest Warmest since: 2015 2011, 2015
Sep–Dec 2020
4-Month
52.3°F
(11.3°C)
49.4°F
(9.7°C)
2.9°F
(1.6°C)
82nd Coolest Coolest since: 2019 1976
4th Warmest Warmest since: 2015 2015
Ties: 2006
Aug–Dec 2020
5-Month
56.8°F
(13.8°C)
53.9°F
(12.2°C)
2.9°F
(1.6°C)
83rd Coolest Coolest since: 2019 1976
3rd Warmest Warmest since: 2015 2015
Ties: 2001
Jul–Dec 2020
6-Month
60.2°F
(15.7°C)
57.0°F
(13.9°C)
3.2°F
(1.8°C)
83rd Coolest Coolest since: 2019 1976
3rd Warmest Warmest since: 2015 2011
Jun–Dec 2020
7-Month
61.6°F
(16.4°C)
58.5°F
(14.7°C)
3.1°F
(1.7°C)
84th Coolest Coolest since: 2019 1962, 1976
2nd Warmest Warmest since: 2011 2011
May–Dec 2020
8-Month
61.2°F
(16.2°C)
58.5°F
(14.7°C)
2.7°F
(1.5°C)
83rd Coolest Coolest since: 2019 1962
3rd Warmest Warmest since: 2015 2011, 2015
Apr–Dec 2020
9-Month
59.4°F
(15.2°C)
57.3°F
(14.1°C)
2.1°F
(1.1°C)
82nd Coolest Coolest since: 2019 1940
4th Warmest Warmest since: 2015 2011
Mar–Dec 2020
10-Month
57.8°F
(14.3°C)
55.4°F
(13.0°C)
2.4°F
(1.3°C)
82nd Coolest Coolest since: 2019 1940
4th Warmest Warmest since: 2012 2010, 2011
Feb–Dec 2020
11-Month
55.8°F
(13.2°C)
53.2°F
(11.8°C)
2.6°F
(1.4°C)
83rd Coolest Coolest since: 2019 1967
3rd Warmest Warmest since: 2012 2010, 2012
Jan–Dec 2020
12-Month
54.2°F
(12.3°C)
51.2°F
(10.7°C)
3.0°F
(1.6°C)
85th Coolest Coolest since: 2019 1940
1st Warmest Warmest since: 2012 2012, 2020
Ties: 2012
Jul 2019–Dec 2020
18-Month
55.4°F
(13.0°C)
53.1°F
(11.7°C)
2.3°F
(1.3°C)
82nd Coolest Coolest since: 2019 1940
3rd Warmest Warmest since: 2016 2012
Jan 2019–Dec 2020
24-Month
52.9°F
(11.6°C)
51.0°F
(10.6°C)
1.9°F
(1.0°C)
80th Coolest Coolest since: 2019 1940
5th Warmest Warmest since: 2017 2012
Ties: 1999
Jan 2018–Dec 2020
36-Month
52.7°F
(11.5°C)
51.0°F
(10.6°C)
1.7°F
(0.9°C)
80th Coolest Coolest since: 2019 1940
4th Warmest Warmest since: 2018 2012
Jan 2017–Dec 2020
48-Month
52.7°F
(11.5°C)
51.0°F
(10.6°C)
1.7°F
(0.9°C)
80th Coolest Coolest since: 2019 1942, 1943
3rd Warmest Warmest since: 2014 2013
Ties: 2014
Jan 2016–Dec 2020
60-Month
52.8°F
(11.6°C)
50.9°F
(10.5°C)
1.9°F
(1.1°C)
80th Coolest Coolest since: 2019 1940, 1943
2nd Warmest Warmest since: 2014 2014
Ties: 2012, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published February 2021, retrieved on March 1, 2021 from https://www.ncdc.noaa.gov/cag/