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 April 2021. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, December 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1991
1-Month
27.1°F
(-2.7°C)
22.7°F
(-5.2°C)
4.4°F
(2.5°C)
98th Coolest Coolest since: 1990 1983
29th Warmest Warmest since: 1987 2015
Ties: 1907
Nov–Dec 1991
2-Month
27.6°F
(-2.4°C)
29.2°F
(-1.6°C)
-1.6°F
(-0.8°C)
38th Coolest Coolest since: 1989 1985
89th Warmest Warmest since: 1990 2001
Ties: 1942, 1947, 1968
Oct–Dec 1991
3-Month
35.0°F
(1.7°C)
36.6°F
(2.6°C)
-1.6°F
(-0.9°C)
31st Coolest Coolest since: 1989 1985
96th Warmest Warmest since: 1990 1931
Ties: 1995
Sep–Dec 1991
4-Month
41.8°F
(5.4°C)
43.2°F
(6.2°C)
-1.4°F
(-0.8°C)
30th Coolest Coolest since: 1989 1985
97th Warmest Warmest since: 1990 1931
Ties: 1895, 1942
Aug–Dec 1991
5-Month
47.8°F
(8.8°C)
48.8°F
(9.3°C)
-1.0°F
(-0.5°C)
31st Coolest Coolest since: 1989 1985
96th Warmest Warmest since: 1990 1931
Ties: 1895, 1935, 1961, 2008
Jul–Dec 1991
6-Month
52.1°F
(11.2°C)
53.0°F
(11.7°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1989 1985
95th Warmest Warmest since: 1990 1931
Ties: 1911, 1927
Jun–Dec 1991
7-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 1989 1985
75th Warmest Warmest since: 1990 1931
Ties: 1906, 1928, 1981
May–Dec 1991
8-Month
56.2°F
(13.4°C)
55.8°F
(13.2°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1990 1917
55th Warmest Warmest since: 1988 1931
Ties: 1964, 1979, 1984, 2003, 2004
Apr–Dec 1991
9-Month
55.7°F
(13.2°C)
55.0°F
(12.8°C)
0.7°F
(0.4°C)
81st Coolest Coolest since: 1990 1917
46th Warmest Warmest since: 1988 1931
Ties: 2004
Mar–Dec 1991
10-Month
54.0°F
(12.2°C)
52.9°F
(11.6°C)
1.1°F
(0.6°C)
91st Coolest Coolest since: 1990 1951
36th Warmest Warmest since: 1988 2012
Ties: 1986
Feb–Dec 1991
11-Month
51.8°F
(11.0°C)
50.2°F
(10.1°C)
1.6°F
(0.9°C)
108th Coolest Coolest since: 1990 1917
19th Warmest Warmest since: 1987 2012
Ties: 1918, 1922, 2015
Jan–Dec 1991
12-Month
48.6°F
(9.2°C)
47.5°F
(8.6°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 1989 1917
30th Warmest Warmest since: 1990 2012
Ties: 1913, 1986, 2000
Jul 1990–Dec 1991
18-Month
50.3°F
(10.2°C)
49.4°F
(9.7°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 1990 1951
29th Warmest Warmest since: 1988 2012
Ties: 1901, 1948, 1964
Jan 1990–Dec 1991
24-Month
49.0°F
(9.4°C)
47.5°F
(8.6°C)
1.5°F
(0.8°C)
107th Coolest Coolest since: 1990 1951
19th Warmest Warmest since: 1988 1931
Ties: 1921, 1998
Jan 1989–Dec 1991
36-Month
48.2°F
(9.0°C)
47.5°F
(8.6°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1986 1952
36th Warmest Warmest since: 1990 2017
Ties: 1948
Jan 1988–Dec 1991
48-Month
48.3°F
(9.1°C)
47.5°F
(8.6°C)
0.8°F
(0.5°C)
90th Coolest Coolest since: 1986 1905
34th Warmest Warmest since: 1990 1934
Ties: 1932
Jan 1987–Dec 1991
60-Month
48.9°F
(9.4°C)
47.5°F
(8.6°C)
1.4°F
(0.8°C)
116th Coolest Coolest since: 1990 1907
7th Warmest Warmest since: 1990 1934, 2002
Ties: 1990, 2003, 2005, 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2021, retrieved on May 18, 2021 from https://www.ncdc.noaa.gov/cag/