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


Allentown, Pennsylvania

Average Temperature Rankings, May 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1922-2019)
Warmest/Coolest
Since
Record
May 1999
1-Month
60.3°F
(15.7°C)
60.7°F
(15.9°C)
-0.4°F
(-0.2°C)
49th Coolest Coolest since: 1997 1967
49th Warmest Warmest since: 1998 2015
Ties: 1943, 1981
Apr–May 1999
2-Month
55.1°F
(12.8°C)
55.7°F
(13.2°C)
-0.6°F
(-0.4°C)
58th Coolest Coolest since: 1997 1924
40th Warmest Warmest since: 1998 2004, 2019
Ties: 1951, 1953, 1974, 2008
Mar–May 1999
3-Month
49.6°F
(9.8°C)
50.3°F
(10.2°C)
-0.7°F
(-0.4°C)
52nd Coolest Coolest since: 1997 1940
46th Warmest Warmest since: 1998 2012
Ties: 1951, 1988
Feb–May 1999
4-Month
45.8°F
(7.7°C)
45.7°F
(7.6°C)
0.1°F
(0.1°C)
75th Coolest Coolest since: 1997 1934
23rd Warmest Warmest since: 1998 2012
Jan–May 1999
5-Month
42.8°F
(6.0°C)
42.2°F
(5.7°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1997 1940
18th Warmest Warmest since: 1998 2012
Dec 1998–May 1999
6-Month
42.1°F
(5.6°C)
40.7°F
(4.8°C)
1.4°F
(0.8°C)
86th Coolest Coolest since: 1997 1940, 1961
10th Warmest Warmest since: 1998 2012
Ties: 2000, 2013
Nov 1998–May 1999
7-Month
42.3°F
(5.7°C)
41.0°F
(5.0°C)
1.3°F
(0.7°C)
81st Coolest Coolest since: 1997 1934, 1940
13th Warmest Warmest since: 1998 2012
Oct 1998–May 1999
8-Month
43.8°F
(6.6°C)
42.6°F
(5.9°C)
1.2°F
(0.7°C)
78th Coolest Coolest since: 1997 1934
15th Warmest Warmest since: 1998 2012
Ties: 2007
Sep 1998–May 1999
9-Month
46.3°F
(7.9°C)
45.0°F
(7.2°C)
1.3°F
(0.7°C)
79th Coolest Coolest since: 1997 1934
14th Warmest Warmest since: 1998 2012
Aug 1998–May 1999
10-Month
49.0°F
(9.4°C)
47.7°F
(8.7°C)
1.3°F
(0.7°C)
81st Coolest Coolest since: 1997 1926, 1934, 1963
12th Warmest Warmest since: 1998 2012
Ties: 2000, 2004, 2018
Jul 1998–May 1999
11-Month
51.3°F
(10.7°C)
50.2°F
(10.1°C)
1.1°F
(0.6°C)
79th Coolest Coolest since: 1997 1926
14th Warmest Warmest since: 1998 2012
Ties: 2004, 2010
Jun 1998–May 1999
12-Month
52.7°F
(11.5°C)
51.7°F
(10.9°C)
1.0°F
(0.6°C)
78th Coolest Coolest since: 1997 1934, 1963
15th Warmest Warmest since: 1998 2012
Ties: 1985, 1995, 2004, 2010
Dec 1997–May 1999
18-Month
50.3°F
(10.2°C)
48.0°F
(8.9°C)
2.3°F
(1.3°C)
87th Coolest Coolest since: 1998 1941
4th Warmest Warmest to Date 2017
Jun 1997–May 1999
24-Month
53.1°F
(11.7°C)
51.8°F
(11.0°C)
1.3°F
(0.7°C)
82nd Coolest Coolest since: 1998 1926
7th Warmest Warmest to Date 2017
Ties: 2006
Jun 1996–May 1999
36-Month
52.4°F
(11.3°C)
51.7°F
(10.9°C)
0.7°F
(0.4°C)
71st Coolest Coolest since: 1998 1979
14th Warmest Warmest to Date 2018
Ties: 2002, 2011
Jun 1995–May 1999
48-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
61st Coolest Coolest since: 1998 1943, 1966, 1980
21st Warmest Warmest since: 1998 2019
Ties: 1992, 1998
Jun 1994–May 1999
60-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
59th Coolest Coolest since: 1998 1944, 1967
20th Warmest Warmest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published January 2020, retrieved on January 28, 2020 from https://www.ncdc.noaa.gov/cag/