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 1990

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1990
1-Month
19.8°F
(-6.8°C)
22.7°F
(-5.2°C)
-2.9°F
(-1.6°C)
37th Coolest Coolest since: 1989 1983
91st Warmest Warmest since: 1988 2015
Ties: 2009
Nov–Dec 1990
2-Month
30.5°F
(-0.8°C)
29.2°F
(-1.6°C)
1.3°F
(0.8°C)
76th Coolest Coolest since: 1989 1985
52nd Warmest Warmest since: 1988 2001
Oct–Dec 1990
3-Month
37.1°F
(2.8°C)
36.6°F
(2.6°C)
0.5°F
(0.2°C)
71st Coolest Coolest since: 1989 1985
57th Warmest Warmest since: 1987 1931
Ties: 1907, 1957
Sep–Dec 1990
4-Month
44.4°F
(6.9°C)
43.2°F
(6.2°C)
1.2°F
(0.7°C)
85th Coolest Coolest since: 1989 1985
43rd Warmest Warmest since: 1987 1931
Ties: 1921, 1949, 1982, 2003, 2012
Aug–Dec 1990
5-Month
49.9°F
(9.9°C)
48.9°F
(9.4°C)
1.0°F
(0.5°C)
91st Coolest Coolest since: 1989 1985
37th Warmest Warmest since: 1988 1931
Ties: 1905, 1908, 1963, 1988
Jul–Dec 1990
6-Month
53.6°F
(12.0°C)
53.0°F
(11.7°C)
0.6°F
(0.3°C)
74th Coolest Coolest since: 1989 1985
54th Warmest Warmest since: 1988 1931
Ties: 1928, 1982, 2019
Jun–Dec 1990
7-Month
56.0°F
(13.3°C)
55.3°F
(12.9°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1989 1985
49th Warmest Warmest since: 1988 1931
Ties: 2003
May–Dec 1990
8-Month
56.0°F
(13.3°C)
55.8°F
(13.2°C)
0.2°F
(0.1°C)
59th Coolest Coolest since: 1989 1917
69th Warmest Warmest since: 1988 1931
Ties: 1908, 1959, 1986
Apr–Dec 1990
9-Month
55.2°F
(12.9°C)
55.1°F
(12.8°C)
0.1°F
(0.1°C)
61st Coolest Coolest since: 1989 1917
67th Warmest Warmest since: 1988 1931
Ties: 1908, 1959, 1973, 2018, 2019
Mar–Dec 1990
10-Month
53.6°F
(12.0°C)
53.0°F
(11.7°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 1989 1951
48th Warmest Warmest since: 1988 2012
Ties: 1914, 1948, 1971, 2003
Feb–Dec 1990
11-Month
51.3°F
(10.7°C)
50.3°F
(10.2°C)
1.0°F
(0.5°C)
98th Coolest Coolest since: 1989 1917
30th Warmest Warmest since: 1988 2012
Ties: 1913, 1933, 1963, 1973, 1981, 2004, 2010
Jan–Dec 1990
12-Month
49.5°F
(9.7°C)
47.6°F
(8.7°C)
1.9°F
(1.0°C)
112th Coolest Coolest since: 1989 1917
16th Warmest Warmest since: 1987 2012
Ties: 1933
Jul 1989–Dec 1990
18-Month
50.0°F
(10.0°C)
49.4°F
(9.7°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1989 1951
41st Warmest Warmest since: 1988 2012
Jan 1989–Dec 1990
24-Month
48.0°F
(8.9°C)
47.5°F
(8.6°C)
0.5°F
(0.3°C)
83rd Coolest Coolest since: 1989 1951
44th Warmest Warmest since: 1988 1931
Ties: 1911, 1956, 2020
Jan 1988–Dec 1990
36-Month
48.3°F
(9.1°C)
47.6°F
(8.7°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1986 1952
35th Warmest Warmest since: 1989 2017
Ties: 1936
Jan 1987–Dec 1990
48-Month
49.0°F
(9.4°C)
47.5°F
(8.6°C)
1.5°F
(0.8°C)
115th Coolest Coolest since: 1989 1905
10th Warmest Warmest since: 1941 1934
Jan 1986–Dec 1990
60-Month
48.9°F
(9.4°C)
47.5°F
(8.6°C)
1.4°F
(0.8°C)
117th Coolest Coolest since: 1989 1907
7th Warmest Warmest since: 1935 1934, 2002
Ties: 1991, 2003, 2005, 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 11, 2022 from https://www.ncei.noaa.gov/cag/