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 2018

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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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 2018
1-Month
38.3°F
(3.5°C)
35.3°F
(1.8°C)
3.0°F
(1.7°C)
59th Coolest Coolest since: 2017 1989
15th Warmest Warmest since: 2015 2015
Nov–Dec 2018
2-Month
40.1°F
(4.5°C)
40.8°F
(4.9°C)
-0.7°F
(-0.4°C)
38th Coolest Coolest since: 2017 1989
36th Warmest Warmest since: 2016 2015
Oct–Dec 2018
3-Month
46.1°F
(7.8°C)
45.9°F
(7.7°C)
0.2°F
(0.1°C)
45th Coolest Coolest since: 2013 1976
29th Warmest Warmest since: 2017 2015
Sep–Dec 2018
4-Month
52.8°F
(11.6°C)
51.4°F
(10.8°C)
1.4°F
(0.8°C)
58th Coolest Coolest since: 2017 1976
15th Warmest Warmest since: 2016 2015
Aug–Dec 2018
5-Month
58.1°F
(14.5°C)
56.2°F
(13.4°C)
1.9°F
(1.1°C)
66th Coolest Coolest since: 2017 1976
7th Warmest Warmest since: 2016 2015
Ties: 1970, 2019
Jul–Dec 2018
6-Month
61.4°F
(16.3°C)
59.6°F
(15.3°C)
1.8°F
(1.0°C)
67th Coolest Coolest since: 2017 1976
6th Warmest Warmest since: 2016 2015
Jun–Dec 2018
7-Month
63.1°F
(17.3°C)
61.5°F
(16.4°C)
1.6°F
(0.9°C)
67th Coolest Coolest since: 2017 1976
6th Warmest Warmest since: 2016 2015
Ties: 2005
May–Dec 2018
8-Month
63.8°F
(17.7°C)
61.7°F
(16.5°C)
2.1°F
(1.2°C)
69th Coolest Coolest since: 2017 1976
4th Warmest Warmest since: 2016 2015
Ties: 2020
Apr–Dec 2018
9-Month
62.3°F
(16.8°C)
60.8°F
(16.0°C)
1.5°F
(0.8°C)
66th Coolest Coolest since: 2017 1976
7th Warmest Warmest since: 2016 2015
Ties: 2020
Mar–Dec 2018
10-Month
60.0°F
(15.6°C)
59.0°F
(15.0°C)
1.0°F
(0.6°C)
64th Coolest Coolest since: 2017 1950
9th Warmest Warmest since: 2016 2016
Ties: 2007
Feb–Dec 2018
11-Month
58.1°F
(14.5°C)
56.7°F
(13.7°C)
1.4°F
(0.8°C)
66th Coolest Coolest since: 2017 1950
7th Warmest Warmest since: 2016 2012
Ties: 2006
Jan–Dec 2018
12-Month
55.8°F
(13.2°C)
54.7°F
(12.6°C)
1.1°F
(0.6°C)
63rd Coolest Coolest since: 2015 1940
10th Warmest Warmest since: 2017 2012
Ties: 1953
Jul 2017–Dec 2018
18-Month
57.1°F
(13.9°C)
56.3°F
(13.5°C)
0.8°F
(0.4°C)
60th Coolest Coolest since: 2015 1940, 1963, 1977
11th Warmest Warmest since: 2017 2012, 2016
Jan 2017–Dec 2018
24-Month
55.9°F
(13.3°C)
54.5°F
(12.5°C)
1.4°F
(0.8°C)
62nd Coolest Coolest since: 2015 1963, 1967
9th Warmest Warmest since: 2017 2012
Ties: 2019
Jan 2016–Dec 2018
36-Month
56.3°F
(13.5°C)
54.4°F
(12.4°C)
1.9°F
(1.1°C)
66th Coolest Coolest since: 2017 1967, 1968
3rd Warmest Warmest since: 2013 2012
Ties: 2013
Jan 2015–Dec 2018
48-Month
56.1°F
(13.4°C)
54.4°F
(12.4°C)
1.7°F
(1.0°C)
62nd Coolest Coolest since: 2017 1963, 1968, 1969
5th Warmest Warmest since: 2013 2013, 2020
Jan 2014–Dec 2018
60-Month
55.5°F
(13.1°C)
54.4°F
(12.4°C)
1.1°F
(0.7°C)
57th Coolest Coolest since: 2017 1967
8th Warmest Warmest since: 2016 2020
Ties: 2011, 2015

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2021, retrieved on October 21, 2021 from https://www.ncdc.noaa.gov/cag/