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 November 2019. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, December 1989

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1989
1-Month
13.8°F
(-10.1°C)
22.7°F
(-5.2°C)
-8.9°F
(-4.9°C)
9th Coolest Coolest since: 1985 1983
116th Warmest Warmest since: 1988 2015
Nov–Dec 1989
2-Month
23.6°F
(-4.7°C)
29.2°F
(-1.6°C)
-5.6°F
(-3.1°C)
5th Coolest Coolest since: 1985 1985
120th Warmest Warmest since: 1988 2001
Ties: 1976
Oct–Dec 1989
3-Month
33.2°F
(0.7°C)
36.6°F
(2.6°C)
-3.4°F
(-1.9°C)
11th Coolest Coolest since: 1985 1985
114th Warmest Warmest since: 1988 1931
Ties: 1955
Sep–Dec 1989
4-Month
40.0°F
(4.4°C)
43.2°F
(6.2°C)
-3.2°F
(-1.8°C)
6th Coolest Coolest since: 1985 1985
119th Warmest Warmest since: 1988 1931
Ties: 1925
Aug–Dec 1989
5-Month
46.2°F
(7.9°C)
48.8°F
(9.3°C)
-2.6°F
(-1.4°C)
7th Coolest Coolest since: 1985 1985
118th Warmest Warmest since: 1988 1931
Ties: 1996
Jul–Dec 1989
6-Month
51.0°F
(10.6°C)
53.0°F
(11.7°C)
-2.0°F
(-1.1°C)
14th Coolest Coolest since: 1985 1985
111th Warmest Warmest since: 1988 1931
Ties: 1945
Jun–Dec 1989
7-Month
53.4°F
(11.9°C)
55.3°F
(12.9°C)
-1.9°F
(-1.0°C)
13th Coolest Coolest since: 1985 1985
112th Warmest Warmest since: 1988 1931
Ties: 1898
May–Dec 1989
8-Month
54.1°F
(12.3°C)
55.8°F
(13.2°C)
-1.7°F
(-0.9°C)
14th Coolest Coolest since: 1985 1917
111th Warmest Warmest since: 1988 1931
Ties: 1898, 1972
Apr–Dec 1989
9-Month
53.6°F
(12.0°C)
55.0°F
(12.8°C)
-1.4°F
(-0.8°C)
18th Coolest Coolest since: 1985 1917
107th Warmest Warmest since: 1988 1931
Mar–Dec 1989
10-Month
51.6°F
(10.9°C)
53.0°F
(11.7°C)
-1.4°F
(-0.8°C)
15th Coolest Coolest since: 1976 1951
110th Warmest Warmest since: 1988 2012
Ties: 1898, 1907, 1945, 1960, 1976
Feb–Dec 1989
11-Month
48.2°F
(9.0°C)
50.2°F
(10.1°C)
-2.0°F
(-1.1°C)
6th Coolest Coolest since: 1951 1917
119th Warmest Warmest since: 1988 2012
Ties: 1904, 1993
Jan–Dec 1989
12-Month
46.6°F
(8.1°C)
47.5°F
(8.6°C)
-0.9°F
(-0.5°C)
31st Coolest Coolest since: 1985 1917
94th Warmest Warmest since: 1988 2012
Ties: 1897, 1902, 1940, 1967
Jul 1988–Dec 1989
18-Month
49.1°F
(9.5°C)
49.4°F
(9.7°C)
-0.3°F
(-0.2°C)
53rd Coolest Coolest since: 1986 1951
71st Warmest Warmest since: 1988 2012
Jan 1988–Dec 1989
24-Month
47.7°F
(8.7°C)
47.6°F
(8.7°C)
0.1°F
(0.0°C)
72nd Coolest Coolest since: 1986 1951
52nd Warmest Warmest since: 1988 1931
Ties: 1984
Jan 1987–Dec 1989
36-Month
48.8°F
(9.3°C)
47.5°F
(8.6°C)
1.3°F
(0.7°C)
105th Coolest Coolest since: 1987 1952
18th Warmest Warmest since: 1988 2017
Ties: 1940, 1941, 1955
Jan 1986–Dec 1989
48-Month
48.8°F
(9.3°C)
47.5°F
(8.6°C)
1.3°F
(0.7°C)
110th Coolest Coolest since: 1988 1905
12th Warmest Warmest since: 1941 1934
Ties: 2005, 2012, 2013
Jan 1985–Dec 1989
60-Month
48.2°F
(9.0°C)
47.5°F
(8.6°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1987 1907
32nd Warmest Warmest since: 1988 1934, 2002
Ties: 1938, 1939, 1987, 1992, 2014

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/