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 1977

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1977
1-Month
26.8°F
(-2.9°C)
28.9°F
(-1.7°C)
-2.1°F
(-1.2°C)
32nd Coolest Coolest since: 1976 1989
95th Warmest Warmest since: 1975 2015
Ties: 1901, 1937
Nov–Dec 1977
2-Month
34.4°F
(1.3°C)
34.1°F
(1.2°C)
0.3°F
(0.1°C)
58th Coolest Coolest since: 1976 1917
69th Warmest Warmest since: 1975 2015
Oct–Dec 1977
3-Month
39.1°F
(3.9°C)
39.6°F
(4.2°C)
-0.5°F
(-0.3°C)
45th Coolest Coolest since: 1976 1917
82nd Warmest Warmest since: 1975 2015
Ties: 1983
Sep–Dec 1977
4-Month
45.2°F
(7.3°C)
45.1°F
(7.3°C)
0.1°F
(0.0°C)
51st Coolest Coolest since: 1976 1917
76th Warmest Warmest since: 1975 2015
Ties: 1899, 1930
Aug–Dec 1977
5-Month
49.9°F
(9.9°C)
49.8°F
(9.9°C)
0.1°F
(0.0°C)
54th Coolest Coolest since: 1976 1917
73rd Warmest Warmest since: 1975 2015
Ties: 1897, 1902, 1934
Jul–Dec 1977
6-Month
53.5°F
(11.9°C)
53.3°F
(11.8°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 1976 1976
69th Warmest Warmest since: 1975 1931, 2015
Ties: 1897, 1899, 1956, 1978
Jun–Dec 1977
7-Month
54.9°F
(12.7°C)
55.1°F
(12.8°C)
-0.2°F
(-0.1°C)
40th Coolest Coolest since: 1976 1917
87th Warmest Warmest since: 1975 2015
Ties: 1897, 1901, 1902, 1905, 1964, 1965
May–Dec 1977
8-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
58th Coolest Coolest since: 1976 1917
69th Warmest Warmest since: 1975 2015
Ties: 1932, 1979, 1988, 1993
Apr–Dec 1977
9-Month
55.0°F
(12.8°C)
54.5°F
(12.5°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1976 1917
47th Warmest Warmest since: 1975 2015
Ties: 1912, 1933, 1936, 1938, 1942, 1947, 1952, 1975, 1982, 1984, 1985, 1986
Mar–Dec 1977
10-Month
53.6°F
(12.0°C)
52.6°F
(11.4°C)
1.0°F
(0.6°C)
96th Coolest Coolest since: 1976 1917
31st Warmest Warmest since: 1973 2012
Ties: 1898, 1913
Feb–Dec 1977
11-Month
51.1°F
(10.6°C)
50.2°F
(10.1°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1976 1917
33rd Warmest Warmest since: 1973 2012
Ties: 1898, 1939, 1955
Jan–Dec 1977
12-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1976 1917
84th Warmest Warmest since: 1975 1998, 2012
Ties: 1897, 1899, 1909, 1928, 1929, 1956, 1982
Jul 1976–Dec 1977
18-Month
48.3°F
(9.1°C)
49.8°F
(9.9°C)
-1.5°F
(-0.8°C)
5th Coolest Coolest since: 1963 1904
121st Warmest Warmest since: 1976 2012
Ties: 1905
Jan 1976–Dec 1977
24-Month
47.4°F
(8.6°C)
48.2°F
(9.0°C)
-0.8°F
(-0.4°C)
17th Coolest Coolest since: 1968 1905
109th Warmest Warmest since: 1976 2012
Ties: 1902, 1907, 1915, 1941, 1962, 1966, 1980, 1981
Jan 1975–Dec 1977
36-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
38th Coolest Coolest since: 1972 1905, 1926
87th Warmest Warmest since: 1976 2012
Ties: 1912, 1937, 1971
Jan 1974–Dec 1977
48-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
35th Coolest Coolest since: 1972 1907
89th Warmest Warmest since: 1976 2013, 2019, 2020
Ties: 1903, 1912, 1937, 1958, 1960, 1971, 1983
Jan 1973–Dec 1977
60-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
66th Coolest Coolest since: 1976 1905, 1907
57th Warmest Warmest since: 1975 2020
Ties: 1901, 1902, 1941, 1942, 1945, 1974

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on November 28, 2021 from https://www.ncdc.noaa.gov/cag/