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 July 2019. For more information, please see Climatological Rankings.


Philadelphia, Pennsylvania

Average Temperature Rankings, April 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Amomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
April 1999
1-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
33rd Coolest Coolest since: 1997 1975
40th Warmest Warmest since: 1998 2017
Mar–Apr 1999
2-Month
48.1°F
(8.9°C)
48.9°F
(9.4°C)
-0.8°F
(-0.5°C)
26th Coolest Coolest since: 1996 1984
46th Warmest Warmest since: 1998 1977, 2012
Ties: 2001
Feb–Apr 1999
3-Month
44.8°F
(7.1°C)
44.6°F
(7.0°C)
0.2°F
(0.1°C)
42nd Coolest Coolest since: 1996 1978
30th Warmest Warmest since: 1998 2012
Jan–Apr 1999
4-Month
42.4°F
(5.8°C)
41.7°F
(5.4°C)
0.7°F
(0.4°C)
49th Coolest Coolest since: 1996 1978
23rd Warmest Warmest since: 1998 2012
Dec 1998–Apr 1999
5-Month
42.4°F
(5.8°C)
40.9°F
(4.9°C)
1.5°F
(0.9°C)
55th Coolest Coolest since: 1997 1978
16th Warmest Warmest since: 1998 2012
Ties: 1974
Nov 1998–Apr 1999
6-Month
43.4°F
(6.3°C)
42.0°F
(5.6°C)
1.4°F
(0.7°C)
58th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1998 2002
Ties: 1974, 1983
Oct 1998–Apr 1999
7-Month
45.5°F
(7.5°C)
44.2°F
(6.8°C)
1.3°F
(0.7°C)
58th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1998 2002
Ties: 1955, 2000
Sep 1998–Apr 1999
8-Month
48.8°F
(9.3°C)
47.3°F
(8.5°C)
1.5°F
(0.8°C)
59th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2016
Ties: 1974
Aug 1998–Apr 1999
9-Month
52.1°F
(11.2°C)
50.6°F
(10.3°C)
1.5°F
(0.9°C)
61st Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1998 2016
Ties: 1974
Jul 1998–Apr 1999
10-Month
54.6°F
(12.6°C)
53.3°F
(11.8°C)
1.3°F
(0.8°C)
58th Coolest Coolest since: 1997 1963, 1970, 1977, 1978
13th Warmest Warmest since: 1998 2016
Ties: 1949, 2019
Jun 1998–Apr 1999
11-Month
56.2°F
(13.4°C)
55.1°F
(12.8°C)
1.1°F
(0.6°C)
56th Coolest Coolest since: 1997 1978
15th Warmest Warmest since: 1998 2016
Ties: 2019
May 1998–Apr 1999
12-Month
57.1°F
(13.9°C)
55.8°F
(13.2°C)
1.3°F
(0.7°C)
61st Coolest Coolest since: 1998 1978
10th Warmest Warmest since: 1976 2016
Ties: 1960, 2011, 2013
Nov 1997–Apr 1999
18-Month
53.0°F
(11.7°C)
51.2°F
(10.7°C)
1.8°F
(1.0°C)
65th Coolest Coolest since: 1998 1978
4th Warmest Warmest to Date 2017
May 1997–Apr 1999
24-Month
56.8°F
(13.8°C)
55.8°F
(13.2°C)
1.0°F
(0.6°C)
56th Coolest Coolest since: 1998 1978
13th Warmest Warmest since: 1955 2017
Ties: 1950, 2006, 2019
May 1996–Apr 1999
36-Month
56.3°F
(13.5°C)
55.8°F
(13.2°C)
0.5°F
(0.3°C)
47th Coolest Coolest since: 1998 1979
20th Warmest Warmest since: 1992 2018
Ties: 1951, 1974, 1992, 2016
May 1995–Apr 1999
48-Month
55.9°F
(13.3°C)
55.7°F
(13.2°C)
0.2°F
(0.1°C)
32nd Coolest Coolest since: 1998 1964, 1970, 1980
33rd Warmest Warmest since: 1992 2019
Ties: 1958
May 1994–Apr 1999
60-Month
56.0°F
(13.3°C)
55.7°F
(13.2°C)
0.3°F
(0.1°C)
35th Coolest Coolest since: 1998 1965, 1970, 1981, 1982
28th Warmest Warmest since: 1976 2012, 2019
Ties: 2005

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 26, 2019 from https://www.ncdc.noaa.gov/cag/