City Rankings

City Data Info
Please note, Degree Days and Palmer Indices are not available for Cities.

Philadelphia, Pennsylvania

Average Temperature Rankings, December 2009

View Period (Months):
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  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2009
1-Month
36.1°F
(2.3°C)
36.9°F
(2.7°C)
-0.8°F
(-0.4°C)
33rd Coolest
Coolest since:
1989
51st Warmest
Warmest since:
2015
Nov–Dec 2009
2-Month
43.3°F
(6.3°C)
41.9°F
(5.5°C)
1.4°F
(0.8°C)
64th Coolest
Coolest since:
1976
19th Warmest
Warmest since:
2015
Ties: 1984
Oct–Dec 2009
3-Month
47.6°F
(8.7°C)
46.9°F
(8.3°C)
0.7°F
(0.4°C)
55th Coolest
Coolest since:
1976
28th Warmest
Warmest since:
2015
Ties: 1941, 2018
Sep–Dec 2009
4-Month
52.6°F
(11.4°C)
52.3°F
(11.3°C)
0.3°F
(0.1°C)
48th Coolest
Coolest since:
1976
35th Warmest
Warmest since:
2015
Ties: 1979, 1985
Aug–Dec 2009
5-Month
57.7°F
(14.3°C)
57.1°F
(13.9°C)
0.6°F
(0.4°C)
57th Coolest
Coolest since:
1976
26th Warmest
Warmest since:
2015
Ties: 1984
Jul–Dec 2009
6-Month
60.7°F
(15.9°C)
60.5°F
(15.8°C)
0.2°F
(0.1°C)
52nd Coolest
Coolest since:
1976
31st Warmest
Warmest since:
2015
Jun–Dec 2009
7-Month
62.1°F
(16.7°C)
62.2°F
(16.8°C)
-0.1°F
(-0.1°C)
46th Coolest
Coolest since:
1976
36th Warmest
Warmest since:
2015
May–Dec 2009
8-Month
62.5°F
(16.9°C)
62.3°F
(16.8°C)
0.2°F
(0.1°C)
50th Coolest
Coolest since:
1976
32nd Warmest
Warmest since:
2015
Ties: 1953, 1970
Apr–Dec 2009
9-Month
61.7°F
(16.5°C)
61.4°F
(16.3°C)
0.3°F
(0.2°C)
56th Coolest
Coolest since:
1967
26th Warmest
Warmest since:
2015
Ties: 1971
Mar–Dec 2009
10-Month
59.8°F
(15.4°C)
59.5°F
(15.3°C)
0.3°F
(0.1°C)
54th Coolest
Coolest since:
1967
27th Warmest
Warmest since:
2015
Feb–Dec 2009
11-Month
57.7°F
(14.3°C)
57.2°F
(14.0°C)
0.5°F
(0.3°C)
58th Coolest
Coolest since:
1967
23rd Warmest
Warmest since:
2012
Ties: 1949, 1953
Jan–Dec 2009
12-Month
55.3°F
(12.9°C)
55.2°F
(12.9°C)
0.1°F
(0.0°C)
55th Coolest
Coolest since:
1958
26th Warmest
Warmest since:
2012
Jul 2008–Dec 2009
18-Month
57.1°F
(13.9°C)
56.9°F
(13.8°C)
0.2°F
(0.1°C)
57th Coolest
Coolest since:
1963
23rd Warmest
Warmest since:
2016
Ties: 1953
Jan 2008–Dec 2009
24-Month
55.7°F
(13.2°C)
55.1°F
(12.8°C)
0.6°F
(0.4°C)
58th Coolest
Coolest since:
1963
20th Warmest
Warmest since:
2012, 2021
Jan 2007–Dec 2009
36-Month
55.8°F
(13.2°C)
55.1°F
(12.8°C)
0.7°F
(0.4°C)
54th Coolest
Coolest since:
1963
21st Warmest
Warmest since:
2012, 2021
Ties: 2001
Jan 2006–Dec 2009
48-Month
56.1°F
(13.4°C)
55.0°F
(12.8°C)
1.1°F
(0.6°C)
56th Coolest
Coolest since:
1963
16th Warmest
Warmest since:
2022
Jan 2005–Dec 2009
60-Month
56.1°F
(13.4°C)
55.1°F
(12.8°C)
1.0°F
(0.6°C)
54th Coolest
Coolest since:
1967, 1969
15th Warmest
Warmest since:
2020, 2021

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