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 July 2022. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, December 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1978
1-Month
19.3°F
(-7.1°C)
22.7°F
(-5.2°C)
-3.4°F
(-1.9°C)
31st Coolest Coolest since: 1976 1983
97th Warmest Warmest since: 1977 2015
Ties: 1958
Nov–Dec 1978
2-Month
27.2°F
(-2.7°C)
29.3°F
(-1.5°C)
-2.1°F
(-1.2°C)
34th Coolest Coolest since: 1976 1985
94th Warmest Warmest since: 1977 2001
Ties: 1911
Oct–Dec 1978
3-Month
34.7°F
(1.5°C)
36.6°F
(2.6°C)
-1.9°F
(-1.1°C)
26th Coolest Coolest since: 1976 1985
102nd Warmest Warmest since: 1977 1931
Ties: 1897, 1929
Sep–Dec 1978
4-Month
42.9°F
(6.1°C)
43.2°F
(6.2°C)
-0.3°F
(-0.1°C)
51st Coolest Coolest since: 1977 1985
77th Warmest Warmest since: 1975 1931
Aug–Dec 1978
5-Month
48.6°F
(9.2°C)
48.9°F
(9.4°C)
-0.3°F
(-0.2°C)
53rd Coolest Coolest since: 1977 1985
75th Warmest Warmest since: 1975 1931
Ties: 1915, 1957
Jul–Dec 1978
6-Month
52.6°F
(11.4°C)
53.0°F
(11.7°C)
-0.4°F
(-0.3°C)
44th Coolest Coolest since: 1977 1985
84th Warmest Warmest since: 1975 1931
Ties: 1910, 1944, 1959, 1964, 1981, 1983, 1986
Jun–Dec 1978
7-Month
55.0°F
(12.8°C)
55.3°F
(12.9°C)
-0.3°F
(-0.1°C)
46th Coolest Coolest since: 1977 1985
82nd Warmest Warmest since: 1975 1931
Ties: 1897, 1962, 1964, 1983, 1995
May–Dec 1978
8-Month
55.6°F
(13.1°C)
55.9°F
(13.3°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1976 1917
78th Warmest Warmest since: 1977 1931
Apr–Dec 1978
9-Month
54.8°F
(12.7°C)
55.0°F
(12.8°C)
-0.2°F
(-0.1°C)
49th Coolest Coolest since: 1976 1917
79th Warmest Warmest since: 1977 1931
Ties: 1905, 1942, 1982
Mar–Dec 1978
10-Month
52.4°F
(11.3°C)
53.0°F
(11.7°C)
-0.6°F
(-0.4°C)
43rd Coolest Coolest since: 1976 1951
85th Warmest Warmest since: 1977 2012
Ties: 1906, 1984
Feb–Dec 1978
11-Month
48.7°F
(9.3°C)
50.2°F
(10.1°C)
-1.5°F
(-0.8°C)
15th Coolest Coolest since: 1972 1917
113th Warmest Warmest since: 1977 2012
Ties: 1909
Jan–Dec 1978
12-Month
45.3°F
(7.4°C)
47.5°F
(8.6°C)
-2.2°F
(-1.2°C)
9th Coolest Coolest since: 1951 1917
119th Warmest Warmest since: 1977 2012
Ties: 1904
Jul 1977–Dec 1978
18-Month
47.6°F
(8.7°C)
49.4°F
(9.7°C)
-1.8°F
(-1.0°C)
6th Coolest Coolest since: 1951 1951
121st Warmest Warmest since: 1977 2012
Ties: 1979, 1996
Jan 1977–Dec 1978
24-Month
46.8°F
(8.2°C)
47.5°F
(8.6°C)
-0.7°F
(-0.4°C)
29th Coolest Coolest since: 1972 1951
98th Warmest Warmest since: 1977 1931
Ties: 1896, 1912, 1937, 1969, 1985, 1993
Jan 1976–Dec 1978
36-Month
47.0°F
(8.3°C)
47.5°F
(8.6°C)
-0.5°F
(-0.3°C)
33rd Coolest Coolest since: 1972 1952
93rd Warmest Warmest since: 1977 2017
Ties: 1909, 1929, 1937, 1945, 1994
Jan 1975–Dec 1978
48-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
36th Coolest Coolest since: 1973 1905
89th Warmest Warmest since: 1977 1934
Ties: 1908, 1909, 1967, 1973, 1995
Jan 1974–Dec 1978
60-Month
47.2°F
(8.4°C)
47.5°F
(8.6°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest since: 1974 1907
87th Warmest Warmest since: 1977 1934, 2002
Ties: 1901, 1902, 1910, 1912, 1913, 1965, 1966, 1967, 1968, 1974, 1981, 1983, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 20, 2022 from https://www.ncei.noaa.gov/cag/