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 December 2020. For more information, please see Climatological Rankings.


Iowa

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
19.8°F
(-6.8°C)
22.7°F
(-5.2°C)
-2.9°F
(-1.6°C)
37th Coolest Coolest since: 1989 1983
90th 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
51st 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
56th 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
42nd 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
36th 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
53rd 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
48th 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
68th 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)
63rd Coolest Coolest since: 1989 1917
64th 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
47th 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
29th 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
15th 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
40th 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
43rd 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
34th 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)
114th 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)
116th 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 January 2021, retrieved on January 21, 2021 from https://www.ncdc.noaa.gov/cag/