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


Harrisburg, Pennsylvania

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2009
1-Month
35.1°F
(1.7°C)
35.3°F
(1.8°C)
-0.2°F
(-0.1°C)
34th Coolest Coolest since: 2005 1989
40th Warmest Warmest since: 2008 2015
Nov–Dec 2009
2-Month
42.3°F
(5.7°C)
40.9°F
(4.9°C)
1.4°F
(0.8°C)
58th Coolest Coolest since: 2008 1989
16th Warmest Warmest since: 2006 2015
Ties: 1946
Oct–Dec 2009
3-Month
46.4°F
(8.0°C)
45.9°F
(7.7°C)
0.5°F
(0.3°C)
47th Coolest Coolest since: 2008 1976
27th Warmest Warmest since: 2007 2015
Sep–Dec 2009
4-Month
51.4°F
(10.8°C)
51.4°F
(10.8°C)
0.0°F
(0.0°C)
42nd Coolest Coolest since: 2008 1976
31st Warmest Warmest since: 2007 2015
Ties: 1965
Aug–Dec 2009
5-Month
56.3°F
(13.5°C)
56.2°F
(13.4°C)
0.1°F
(0.1°C)
45th Coolest Coolest since: 2008 1976
28th Warmest Warmest since: 2007 2015
Ties: 1939, 1979
Jul–Dec 2009
6-Month
59.2°F
(15.1°C)
59.6°F
(15.3°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1989 1976
40th Warmest Warmest since: 2008 2015
Ties: 1948, 2014
Jun–Dec 2009
7-Month
61.0°F
(16.1°C)
61.5°F
(16.4°C)
-0.5°F
(-0.3°C)
30th Coolest Coolest since: 1989 1976
43rd Warmest Warmest since: 2008 2015
Ties: 1943, 1947, 1948, 1985
May–Dec 2009
8-Month
61.4°F
(16.3°C)
61.7°F
(16.5°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 2008 1976
39th Warmest Warmest since: 2008 2015
Ties: 1943, 1946, 1961, 2008
Apr–Dec 2009
9-Month
60.7°F
(15.9°C)
60.8°F
(16.0°C)
-0.1°F
(-0.1°C)
45th Coolest Coolest since: 2003 1976
28th Warmest Warmest since: 2008 2015
Ties: 1955, 2002
Mar–Dec 2009
10-Month
59.0°F
(15.0°C)
59.0°F
(15.0°C)
0.0°F
(0.0°C)
45th Coolest Coolest since: 2003 1950
28th Warmest Warmest since: 2008 2016
Ties: 1971, 1987, 2002
Feb–Dec 2009
11-Month
57.0°F
(13.9°C)
56.8°F
(13.8°C)
0.2°F
(0.1°C)
52nd Coolest Coolest since: 2008 1950
21st Warmest Warmest since: 2007 2012
Ties: 1957, 1973, 2007
Jan–Dec 2009
12-Month
54.6°F
(12.6°C)
54.6°F
(12.6°C)
0.0°F
(0.0°C)
44th Coolest Coolest since: 2003 1940
29th Warmest Warmest since: 2008 2012
Ties: 1957
Jul 2008–Dec 2009
18-Month
56.2°F
(13.4°C)
56.3°F
(13.5°C)
-0.1°F
(-0.1°C)
45th Coolest Coolest since: 2003 1940, 1963, 1977
26th Warmest Warmest since: 2008 2012, 2016
Ties: 1942
Jan 2008–Dec 2009
24-Month
54.8°F
(12.7°C)
54.6°F
(12.6°C)
0.2°F
(0.1°C)
53rd Coolest Coolest since: 2004 1963, 1967
18th Warmest Warmest since: 2008 2012
Jan 2007–Dec 2009
36-Month
55.0°F
(12.8°C)
54.5°F
(12.5°C)
0.5°F
(0.3°C)
55th Coolest Coolest since: 2005 1967, 1968
14th Warmest Warmest since: 2008 2012
Ties: 1954
Jan 2006–Dec 2009
48-Month
55.4°F
(13.0°C)
54.4°F
(12.4°C)
1.0°F
(0.6°C)
57th Coolest Coolest since: 2006 1963, 1968, 1969
10th Warmest Warmest since: 2008 2013, 2020
Ties: 2017
Jan 2005–Dec 2009
60-Month
55.4°F
(13.0°C)
54.4°F
(12.4°C)
1.0°F
(0.6°C)
54th Coolest Coolest since: 2008 1967
11th Warmest Warmest since: 2008 2020
Ties: 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/