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


Philadelphia, Pennsylvania

Average Temperature Rankings, December 1979

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1979
1-Month
38.2°F
(3.4°C)
36.9°F
(2.7°C)
1.3°F
(0.7°C)
55th Coolest Coolest since: 1977 1989
27th Warmest Warmest since: 1978 2015
Ties: 1949, 2008
Nov–Dec 1979
2-Month
44.2°F
(6.8°C)
42.0°F
(5.6°C)
2.2°F
(1.2°C)
70th Coolest Coolest since: 1978 1976, 1989
11th Warmest Warmest to Date 2015
Oct–Dec 1979
3-Month
47.8°F
(8.8°C)
47.1°F
(8.4°C)
0.7°F
(0.4°C)
57th Coolest Coolest since: 1978 1976
24th Warmest Warmest since: 1975 2015
Ties: 2013
Sep–Dec 1979
4-Month
53.0°F
(11.7°C)
52.5°F
(11.4°C)
0.5°F
(0.3°C)
54th Coolest Coolest since: 1978 1976
27th Warmest Warmest since: 1975 2015
Ties: 2003
Aug–Dec 1979
5-Month
57.5°F
(14.2°C)
57.2°F
(14.0°C)
0.3°F
(0.2°C)
57th Coolest Coolest since: 1977 1976
24th Warmest Warmest since: 1978 2015
Ties: 1982, 1984, 2002, 2009, 2014
Jul–Dec 1979
6-Month
60.6°F
(15.9°C)
60.6°F
(15.9°C)
0.0°F
(0.0°C)
47th Coolest Coolest since: 1977 1976
34th Warmest Warmest since: 1978 2015
Jun–Dec 1979
7-Month
61.8°F
(16.6°C)
62.3°F
(16.8°C)
-0.5°F
(-0.2°C)
37th Coolest Coolest since: 1977 1976
43rd Warmest Warmest since: 1978 2015
Ties: 1952, 1983, 1995
May–Dec 1979
8-Month
62.4°F
(16.9°C)
62.4°F
(16.9°C)
0.0°F
(0.0°C)
47th Coolest Coolest since: 1977 1976
33rd Warmest Warmest since: 1978 2015
Apr–Dec 1979
9-Month
61.3°F
(16.3°C)
61.5°F
(16.4°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 1978 1967, 1976
34th Warmest Warmest since: 1975 2015
Ties: 1957, 1975
Mar–Dec 1979
10-Month
59.9°F
(15.5°C)
59.6°F
(15.3°C)
0.3°F
(0.2°C)
56th Coolest Coolest since: 1978 1950, 1967
23rd Warmest Warmest since: 1973 2015
Ties: 1949, 1953, 2013
Feb–Dec 1979
11-Month
56.5°F
(13.6°C)
57.4°F
(14.1°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 1978 1967
52nd Warmest Warmest since: 1977 2012
Ties: 1941, 1988, 2000
Jan–Dec 1979
12-Month
54.5°F
(12.5°C)
55.3°F
(12.9°C)
-0.8°F
(-0.4°C)
33rd Coolest Coolest since: 1978 1958
46th Warmest Warmest since: 1975 2012
Ties: 1980
Jul 1978–Dec 1979
18-Month
56.7°F
(13.7°C)
57.1°F
(13.9°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1978 1963
35th Warmest Warmest since: 1975 2016
Ties: 1952, 2014
Jan 1978–Dec 1979
24-Month
54.0°F
(12.2°C)
55.3°F
(12.9°C)
-1.3°F
(-0.7°C)
17th Coolest Coolest since: 1978 1963
59th Warmest Warmest since: 1976 2012
Ties: 1942, 1989
Jan 1977–Dec 1979
36-Month
54.1°F
(12.3°C)
55.3°F
(12.9°C)
-1.2°F
(-0.6°C)
15th Coolest Coolest since: 1978 1963
58th Warmest Warmest since: 1977 2012
Ties: 1982
Jan 1976–Dec 1979
48-Month
53.9°F
(12.2°C)
55.2°F
(12.9°C)
-1.3°F
(-0.7°C)
10th Coolest Coolest since: 1970 1963
60th Warmest Warmest since: 1978 2020
Jan 1975–Dec 1979
60-Month
54.2°F
(12.3°C)
55.2°F
(12.9°C)
-1.0°F
(-0.6°C)
13th Coolest Coolest since: 1972 1966, 1967, 1969
54th Warmest Warmest since: 1978 2020
Ties: 1984

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published June 2021, retrieved on June 20, 2021 from https://www.ncdc.noaa.gov/cag/