Climate at a Glance

Statewide 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 October 2021. For more information, please see Climatological Rankings.


Pennsylvania

Average Temperature Rankings, December 1990

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1990
1-Month
34.4°F
(1.3°C)
28.9°F
(-1.7°C)
5.5°F
(3.0°C)
113th Coolest Coolest since: 1989 1989
14th Warmest Warmest since: 1984 2015
Ties: 1918
Nov–Dec 1990
2-Month
38.8°F
(3.8°C)
34.2°F
(1.2°C)
4.6°F
(2.6°C)
119th Coolest Coolest since: 1989 1917
8th Warmest Warmest since: 1982 2015
Ties: 1998
Oct–Dec 1990
3-Month
43.7°F
(6.5°C)
39.7°F
(4.3°C)
4.0°F
(2.2°C)
123rd Coolest Coolest since: 1989 1917
4th Warmest Warmest since: 1931 2015
Ties: 2011
Sep–Dec 1990
4-Month
48.0°F
(8.9°C)
45.2°F
(7.3°C)
2.8°F
(1.6°C)
117th Coolest Coolest since: 1989 1917
10th Warmest Warmest since: 1982 2015
Ties: 1900, 1982
Aug–Dec 1990
5-Month
52.0°F
(11.1°C)
49.8°F
(9.9°C)
2.2°F
(1.2°C)
114th Coolest Coolest since: 1989 1917
13th Warmest Warmest since: 1971 2015
Jul–Dec 1990
6-Month
55.0°F
(12.8°C)
53.2°F
(11.8°C)
1.8°F
(1.0°C)
109th Coolest Coolest since: 1989 1976
18th Warmest Warmest since: 1971 1931, 2015
Ties: 1959
Jun–Dec 1990
7-Month
56.6°F
(13.7°C)
55.1°F
(12.8°C)
1.5°F
(0.9°C)
107th Coolest Coolest since: 1989 1917
20th Warmest Warmest since: 1973 2015
Ties: 1991, 1994, 2019
May–Dec 1990
8-Month
56.4°F
(13.6°C)
55.4°F
(13.0°C)
1.0°F
(0.6°C)
95th Coolest Coolest since: 1989 1917
32nd Warmest Warmest since: 1987 2015
Ties: 1921, 1982, 1987
Apr–Dec 1990
9-Month
55.5°F
(13.1°C)
54.4°F
(12.4°C)
1.1°F
(0.7°C)
99th Coolest Coolest since: 1989 1917
28th Warmest Warmest since: 1987 2015
Ties: 1911, 1973, 1987
Mar–Dec 1990
10-Month
54.0°F
(12.2°C)
52.6°F
(11.4°C)
1.4°F
(0.8°C)
108th Coolest Coolest since: 1989 1917
19th Warmest Warmest since: 1973 2012
Ties: 1900, 2018
Feb–Dec 1990
11-Month
52.2°F
(11.2°C)
50.2°F
(10.1°C)
2.0°F
(1.1°C)
116th Coolest Coolest since: 1989 1917
11th Warmest Warmest since: 1931 2012
Ties: 2006, 2018
Jan–Dec 1990
12-Month
50.7°F
(10.4°C)
48.1°F
(8.9°C)
2.6°F
(1.5°C)
121st Coolest Coolest since: 1989 1917
6th Warmest Warmest to Date 1998, 2012
Ties: 1991
Jul 1989–Dec 1990
18-Month
50.9°F
(10.5°C)
49.9°F
(9.9°C)
1.0°F
(0.6°C)
102nd Coolest Coolest since: 1989 1904
24th Warmest Warmest since: 1953 2012
Ties: 2015
Jan 1989–Dec 1990
24-Month
49.1°F
(9.5°C)
48.2°F
(9.0°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 1989 1905
29th Warmest Warmest since: 1954 2012
Ties: 2003
Jan 1988–Dec 1990
36-Month
48.7°F
(9.3°C)
48.1°F
(8.9°C)
0.6°F
(0.4°C)
84th Coolest Coolest since: 1989 1905, 1926
41st Warmest Warmest since: 1988 2012
Ties: 1946, 1950, 1951, 1988
Jan 1987–Dec 1990
48-Month
48.9°F
(9.4°C)
48.2°F
(9.0°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1989 1907
33rd Warmest Warmest since: 1956 2013, 2019, 2020
Ties: 1922, 1956
Jan 1986–Dec 1990
60-Month
48.8°F
(9.3°C)
48.1°F
(8.9°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1989 1905, 1907
35th Warmest Warmest since: 1957 2020
Ties: 1932, 1954, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 4, 2021 from https://www.ncdc.noaa.gov/cag/