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


Pennsylvania

Average Temperature Rankings, September 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
September 2020
1-Month
62.0°F
(16.7°C)
61.7°F
(16.5°C)
0.3°F
(0.2°C)
64th Coolest Coolest since: 2013 1918
64th Warmest Warmest since: 2019 1961
Ties: 1944, 2012
Aug–Sep 2020
2-Month
66.8°F
(19.3°C)
65.1°F
(18.4°C)
1.7°F
(0.9°C)
102nd Coolest Coolest since: 2017 1963
26th Warmest Warmest since: 2019 2016
Ties: 1930
Jul–Sep 2020
3-Month
69.4°F
(20.8°C)
66.8°F
(19.3°C)
2.6°F
(1.5°C)
120th Coolest Coolest since: 2019 1924, 1962, 1963, 1976
8th Warmest Warmest since: 2018 2016
Ties: 2011
Jun–Sep 2020
4-Month
68.9°F
(20.5°C)
66.6°F
(19.2°C)
2.3°F
(1.3°C)
119th Coolest Coolest since: 2019 1924
9th Warmest Warmest since: 2018 2005, 2016
Ties: 1931
May–Sep 2020
5-Month
66.3°F
(19.1°C)
64.8°F
(18.2°C)
1.5°F
(0.9°C)
101st Coolest Coolest since: 2017 1924
27th Warmest Warmest since: 2019 2018
Ties: 2007
Apr–Sep 2020
6-Month
62.7°F
(17.1°C)
61.8°F
(16.6°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 2014 1907, 1924
40th Warmest Warmest since: 2019 2010
Ties: 1899, 1908, 1952, 1980, 2013
Mar–Sep 2020
7-Month
59.8°F
(15.4°C)
58.1°F
(14.5°C)
1.7°F
(0.9°C)
114th Coolest Coolest since: 2018 1924
14th Warmest Warmest since: 2019 2010
Ties: 1959, 1977, 1987
Feb–Sep 2020
8-Month
56.5°F
(13.6°C)
54.1°F
(12.3°C)
2.4°F
(1.3°C)
120th Coolest Coolest since: 2019 1924
8th Warmest Warmest since: 2017 2012
Ties: 2011, 2017
Jan–Sep 2020
9-Month
53.8°F
(12.1°C)
50.9°F
(10.5°C)
2.9°F
(1.6°C)
122nd Coolest Coolest since: 2019 1940
6th Warmest Warmest since: 2017 2012
Ties: 2016, 2017
Dec 2019–Sep 2020
10-Month
51.7°F
(10.9°C)
48.8°F
(9.3°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 2019 1904
7th Warmest Warmest since: 2016 2012
Nov 2019–Sep 2020
11-Month
50.3°F
(10.2°C)
47.9°F
(8.8°C)
2.4°F
(1.4°C)
117th Coolest Coolest since: 2019 1904
10th Warmest Warmest since: 2017 2012
Ties: 1932, 1949
Oct 2019–Sep 2020
12-Month
50.6°F
(10.3°C)
48.1°F
(8.9°C)
2.5°F
(1.4°C)
118th Coolest Coolest since: 2019 1904
9th Warmest Warmest since: 2017 2012
Ties: 1932
Apr 2019–Sep 2020
18-Month
55.1°F
(12.8°C)
52.7°F
(11.5°C)
2.4°F
(1.3°C)
122nd Coolest Coolest since: 2019 1918
5th Warmest Warmest since: 2017 2012
Oct 2018–Sep 2020
24-Month
50.2°F
(10.1°C)
48.1°F
(8.9°C)
2.1°F
(1.2°C)
119th Coolest Coolest since: 2019 1905
7th Warmest Warmest since: 2018 2017
Oct 2017–Sep 2020
36-Month
50.1°F
(10.1°C)
48.1°F
(8.9°C)
2.0°F
(1.2°C)
117th Coolest Coolest since: 2016 1979
8th Warmest Warmest since: 2019 2018
Oct 2016–Sep 2020
48-Month
50.3°F
(10.2°C)
48.1°F
(8.9°C)
2.2°F
(1.3°C)
122nd Coolest Coolest since: 2018 1907
2nd Warmest Warmest since: 2019 2019
Ties: 2013
Oct 2015–Sep 2020
60-Month
50.6°F
(10.3°C)
48.1°F
(8.9°C)
2.5°F
(1.4°C)
122nd Coolest Coolest since: 2019 1908
1st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 4, 2021 from https://www.ncdc.noaa.gov/cag/