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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 2022. For more information, please see Climatological Rankings.

Parameter: Average Temperature Maximum Temperature Minimum Temperature Precipitation Cooling Degree Days Heating Degree Days Palmer Drought Severity Index (PDSI) Palmer Hydrological Drought Index (PHDI) Palmer Modified Drought Index (PMDI) Palmer Z-Index

Year: 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month: January February March April May June July August September October November December

State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington, D.C. West Virginia Wisconsin Wyoming

City: Allentown Erie Harrisburg Philadelphia Pittsburgh Scranton Williamsport

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« March 1999

May 1999 »

Allentown, Pennsylvania

Average Temperature Rankings, April 1999

View Period (Months):All1234567891011121824364860

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• Record Coolest
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• Record Warmest

Period	Value	1981-2010 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1999 1-Month	48.5°F (9.2°C)	49.3°F (9.6°C)	-0.8°F (-0.4°C)	50th Coolest	Coolest since: 1997	1943
				51st Warmest	Warmest since: 1998	2017
	Ties: 1973
Mar–Apr 1999 2-Month	42.9°F (6.1°C)	43.9°F (6.6°C)	-1.0°F (-0.5°C)	46th Coolest	Coolest since: 1997	1940
				55th Warmest	Warmest since: 1998	2012
	Ties: 1951, 1952, 1988, 2001
Feb–Apr 1999 3-Month	39.5°F (4.2°C)	39.3°F (4.1°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1996	1934
				31st Warmest	Warmest since: 1998	2012
	Ties: 1952, 1981
Jan–Apr 1999 4-Month	37.0°F (2.8°C)	36.2°F (2.3°C)	0.8°F (0.5°C)	77th Coolest	Coolest since: 1997	1940
				22nd Warmest	Warmest since: 1998	2020
	Ties: 1954, 1973
Dec 1998–Apr 1999 5-Month	37.0°F (2.8°C)	35.3°F (1.8°C)	1.7°F (1.0°C)	85th Coolest	Coolest since: 1997	1970
				14th Warmest	Warmest since: 1998	2012
	Ties: 2008, 2010
Nov 1998–Apr 1999 6-Month	37.9°F (3.3°C)	36.5°F (2.5°C)	1.4°F (0.8°C)	82nd Coolest	Coolest since: 1997	1934
				15th Warmest	Warmest since: 1998	2012
	Ties: 1995
Oct 1998–Apr 1999 7-Month	40.0°F (4.4°C)	38.7°F (3.7°C)	1.3°F (0.7°C)	78th Coolest	Coolest since: 1997	1934
				18th Warmest	Warmest since: 1998	2012
Sep 1998–Apr 1999 8-Month	43.1°F (6.2°C)	41.7°F (5.4°C)	1.4°F (0.8°C)	81st Coolest	Coolest since: 1997	1934
				15th Warmest	Warmest since: 1998	2012, 2016
Aug 1998–Apr 1999 9-Month	46.4°F (8.0°C)	45.1°F (7.3°C)	1.3°F (0.7°C)	81st Coolest	Coolest since: 1997	1934
				15th Warmest	Warmest since: 1998	2016, 2017, 2020
Jul 1998–Apr 1999 10-Month	49.0°F (9.4°C)	47.9°F (8.8°C)	1.1°F (0.6°C)	79th Coolest	Coolest since: 1997	1926, 1934
				17th Warmest	Warmest since: 1998	2020
Jun 1998–Apr 1999 11-Month	50.6°F (10.3°C)	49.6°F (9.8°C)	1.0°F (0.5°C)	76th Coolest	Coolest since: 1997	1934
				20th Warmest	Warmest since: 1998	2020
May 1998–Apr 1999 12-Month	51.8°F (11.0°C)	50.5°F (10.3°C)	1.3°F (0.7°C)	82nd Coolest	Coolest since: 1998	1926
				14th Warmest	Warmest since: 1932	2012, 2020
	Ties: 2000
Nov 1997–Apr 1999 18-Month	47.8°F (8.8°C)	45.8°F (7.7°C)	2.0°F (1.1°C)	83rd Coolest	Coolest since: 1998	1941
				9th Warmest	Warmest to Date	2017
May 1997–Apr 1999 24-Month	51.5°F (10.8°C)	50.5°F (10.3°C)	1.0°F (0.5°C)	78th Coolest	Coolest since: 1998	1926
				14th Warmest	Warmest to Date	2017
May 1996–Apr 1999 36-Month	50.9°F (10.5°C)	50.4°F (10.2°C)	0.5°F (0.3°C)	69th Coolest	Coolest since: 1998	1941
				19th Warmest	Warmest since: 1992	2021
	Ties: 2001, 2004
May 1995–Apr 1999 48-Month	50.5°F (10.3°C)	50.4°F (10.2°C)	0.1°F (0.1°C)	61st Coolest	Coolest since: 1998	1943
				24th Warmest	Warmest since: 1992	2019, 2020
May 1994–Apr 1999 60-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	59th Coolest	Coolest since: 1998	1944
				23rd Warmest	Warmest to Date	2020

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/