Climate at a Glance

Statewide 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.


Pennsylvania

Average Temperature Rankings, December 2020

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2020
1-Month
32.1°F
(0.1°C)
28.9°F
(-1.7°C)
3.2°F
(1.8°C)
96th Coolest Coolest since: 2017 1989
32nd Warmest Warmest since: 2019 2015
Ties: 1997
Nov–Dec 2020
2-Month
38.4°F
(3.6°C)
34.1°F
(1.2°C)
4.3°F
(2.4°C)
117th Coolest Coolest since: 2019 1917
11th Warmest Warmest since: 2015 2015
Ties: 2021
Oct–Dec 2020
3-Month
43.0°F
(6.1°C)
39.6°F
(4.2°C)
3.4°F
(1.9°C)
116th Coolest Coolest since: 2019 1917
12th Warmest Warmest since: 2015 2015
Ties: 1941
Sep–Dec 2020
4-Month
47.8°F
(8.8°C)
45.1°F
(7.3°C)
2.7°F
(1.5°C)
113th Coolest Coolest since: 2019 1917
15th Warmest Warmest since: 2016 2015
Aug–Dec 2020
5-Month
52.6°F
(11.4°C)
49.8°F
(9.9°C)
2.8°F
(1.5°C)
118th Coolest Coolest since: 2019 1917
10th Warmest Warmest since: 2016 2015
Jul–Dec 2020
6-Month
56.3°F
(13.5°C)
53.2°F
(11.8°C)
3.1°F
(1.7°C)
122nd Coolest Coolest since: 2019 1976
6th Warmest Warmest since: 2016 1931, 2015
Jun–Dec 2020
7-Month
57.8°F
(14.3°C)
55.0°F
(12.8°C)
2.8°F
(1.5°C)
122nd Coolest Coolest since: 2019 1917
6th Warmest Warmest since: 2016 2015
Ties: 1900
May–Dec 2020
8-Month
57.6°F
(14.2°C)
55.4°F
(13.0°C)
2.2°F
(1.2°C)
118th Coolest Coolest since: 2019 1917
10th Warmest Warmest since: 2018 2015
Ties: 2007
Apr–Dec 2020
9-Month
56.2°F
(13.4°C)
54.4°F
(12.4°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 2017 1917
18th Warmest Warmest since: 2019 2015
Mar–Dec 2020
10-Month
54.8°F
(12.7°C)
52.5°F
(11.4°C)
2.3°F
(1.3°C)
117th Coolest Coolest since: 2019 1917
11th Warmest Warmest since: 2016 2021
Feb–Dec 2020
11-Month
52.9°F
(11.6°C)
50.2°F
(10.1°C)
2.7°F
(1.5°C)
122nd Coolest Coolest since: 2019 1917
6th Warmest Warmest since: 2016 2012
Ties: 1991
Jan–Dec 2020
12-Month
51.2°F
(10.7°C)
48.2°F
(9.0°C)
3.0°F
(1.7°C)
125th Coolest Coolest since: 2019 1917
3rd Warmest Warmest since: 2012 1998, 2012
Jul 2019–Dec 2020
18-Month
52.5°F
(11.4°C)
49.9°F
(9.9°C)
2.6°F
(1.5°C)
122nd Coolest Coolest since: 2019 1904
5th Warmest Warmest since: 2017 2012
Jan 2019–Dec 2020
24-Month
50.5°F
(10.3°C)
48.1°F
(8.9°C)
2.4°F
(1.4°C)
121st Coolest Coolest since: 2019 1905
6th Warmest Warmest since: 2017 2021
Jan 2018–Dec 2020
36-Month
50.3°F
(10.2°C)
48.2°F
(9.0°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 2019 1905, 1926
5th Warmest Warmest since: 2018 2012
Ties: 2017
Jan 2017–Dec 2020
48-Month
50.3°F
(10.2°C)
48.1°F
(8.9°C)
2.2°F
(1.3°C)
123rd Coolest Coolest since: 2019 1907
2nd Warmest Warmest since: 2019 2021
Ties: 2013, 2019
Jan 2016–Dec 2020
60-Month
50.5°F
(10.3°C)
48.1°F
(8.9°C)
2.4°F
(1.4°C)
123rd Coolest Coolest since: 2019 1905, 1907
1st Warmest Warmest to Date 2020, 2021
Ties: 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/