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


Philadelphia, Pennsylvania

Average Temperature Rankings, January 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
January 1999
1-Month
34.9°F
(1.6°C)
32.5°F
(0.3°C)
2.4°F
(1.3°C)
59th Coolest Coolest since: 1997 1977
23rd Warmest Warmest since: 1998 1950
Dec 1998–Jan 1999
2-Month
38.4°F
(3.6°C)
34.8°F
(1.6°C)
3.6°F
(2.0°C)
72nd Coolest Coolest since: 1997 1977
10th Warmest Warmest since: 1998 2016
Nov 1998–Jan 1999
3-Month
41.6°F
(5.3°C)
38.9°F
(3.8°C)
2.7°F
(1.5°C)
73rd Coolest Coolest since: 1998 1977
8th Warmest Warmest since: 1995 2016
Ties: 2006
Oct 1998–Jan 1999
4-Month
45.7°F
(7.6°C)
43.3°F
(6.3°C)
2.4°F
(1.3°C)
69th Coolest Coolest since: 1998 1977
12th Warmest Warmest since: 1995 2016
Ties: 1995
Sep 1998–Jan 1999
5-Month
50.9°F
(10.5°C)
48.4°F
(9.1°C)
2.5°F
(1.4°C)
72nd Coolest Coolest since: 1998 1977
9th Warmest Warmest to Date 2016
Ties: 2020
Aug 1998–Jan 1999
6-Month
55.4°F
(13.0°C)
53.0°F
(11.7°C)
2.4°F
(1.3°C)
72nd Coolest Coolest since: 1998 1977
9th Warmest Warmest to Date 2016
Ties: 2020
Jul 1998–Jan 1999
7-Month
58.6°F
(14.8°C)
56.6°F
(13.7°C)
2.0°F
(1.1°C)
71st Coolest Coolest since: 1998 1977
10th Warmest Warmest to Date 2016
Ties: 2008
Jun 1998–Jan 1999
8-Month
60.2°F
(15.7°C)
58.6°F
(14.8°C)
1.6°F
(0.9°C)
69th Coolest Coolest since: 1998 1977
11th Warmest Warmest to Date 2016
May 1998–Jan 1999
9-Month
60.8°F
(16.0°C)
59.1°F
(15.1°C)
1.7°F
(0.9°C)
69th Coolest Coolest since: 1998 1977
11th Warmest Warmest to Date 2016
Ties: 2019
Apr 1998–Jan 1999
10-Month
60.3°F
(15.7°C)
58.6°F
(14.8°C)
1.7°F
(0.9°C)
69th Coolest Coolest since: 1998 1977
11th Warmest Warmest to Date 2016
Mar 1998–Jan 1999
11-Month
58.9°F
(14.9°C)
57.1°F
(13.9°C)
1.8°F
(1.0°C)
69th Coolest Coolest since: 1998 1968
10th Warmest Warmest to Date 2016
Feb 1998–Jan 1999
12-Month
57.5°F
(14.2°C)
55.3°F
(12.9°C)
2.2°F
(1.3°C)
73rd Coolest Coolest since: 1998 1968
6th Warmest Warmest to Date 2013
Aug 1997–Jan 1999
18-Month
56.2°F
(13.4°C)
54.6°F
(12.6°C)
1.6°F
(0.8°C)
69th Coolest Coolest since: 1998 1964
9th Warmest Warmest to Date 2017
Feb 1997–Jan 1999
24-Month
56.4°F
(13.6°C)
55.2°F
(12.9°C)
1.2°F
(0.7°C)
62nd Coolest Coolest since: 1998 1964
14th Warmest Warmest since: 1992 2013
Ties: 2011
Feb 1996–Jan 1999
36-Month
55.5°F
(13.1°C)
55.2°F
(12.9°C)
0.3°F
(0.2°C)
49th Coolest Coolest since: 1998 1970
24th Warmest Warmest since: 1993 2013
Feb 1995–Jan 1999
48-Month
55.2°F
(12.9°C)
55.1°F
(12.8°C)
0.1°F
(0.1°C)
44th Coolest Coolest since: 1998 1964
26th Warmest Warmest since: 1995 2013, 2020
Ties: 1995
Feb 1994–Jan 1999
60-Month
55.4°F
(13.0°C)
55.2°F
(12.9°C)
0.2°F
(0.1°C)
43rd Coolest Coolest since: 1998 1965, 1970
24th Warmest Warmest since: 1995 2020, 2021

Citing This Page

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