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


Iowa

Average Temperature Rankings, December 1938

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1938
1-Month
24.6°F
(-4.1°C)
22.7°F
(-5.2°C)
1.9°F
(1.1°C)
68th Coolest Coolest since: 1937 1983
60th Warmest Warmest since: 1936 2015
Nov–Dec 1938
2-Month
30.2°F
(-1.0°C)
29.3°F
(-1.5°C)
0.9°F
(0.5°C)
71st Coolest Coolest since: 1937 1985
57th Warmest Warmest since: 1936 2001
Ties: 1960, 1997
Oct–Dec 1938
3-Month
39.5°F
(4.2°C)
36.6°F
(2.6°C)
2.9°F
(1.6°C)
106th Coolest Coolest since: 1937 1985
22nd Warmest Warmest since: 1931 1931
Sep–Dec 1938
4-Month
46.1°F
(7.8°C)
43.2°F
(6.2°C)
2.9°F
(1.6°C)
117th Coolest Coolest since: 1937 1985
11th Warmest Warmest since: 1931 1931
Ties: 1913
Aug–Dec 1938
5-Month
51.8°F
(11.0°C)
48.8°F
(9.3°C)
3.0°F
(1.7°C)
118th Coolest Coolest since: 1937 1985
10th Warmest Warmest since: 1931 1931
Ties: 1939, 1953
Jul–Dec 1938
6-Month
55.8°F
(13.2°C)
53.0°F
(11.7°C)
2.8°F
(1.5°C)
118th Coolest Coolest since: 1937 1985
10th Warmest Warmest since: 1936 1931
Ties: 1939
Jun–Dec 1938
7-Month
57.7°F
(14.3°C)
55.4°F
(13.0°C)
2.3°F
(1.3°C)
116th Coolest Coolest since: 1937 1985
12th Warmest Warmest since: 1936 1931
May–Dec 1938
8-Month
57.8°F
(14.3°C)
55.9°F
(13.3°C)
1.9°F
(1.0°C)
112th Coolest Coolest since: 1937 1917
16th Warmest Warmest since: 1936 1931
Ties: 1918, 1987
Apr–Dec 1938
9-Month
56.8°F
(13.8°C)
55.0°F
(12.8°C)
1.8°F
(1.0°C)
111th Coolest Coolest since: 1937 1917
17th Warmest Warmest since: 1936 1931
Mar–Dec 1938
10-Month
55.4°F
(13.0°C)
53.0°F
(11.7°C)
2.4°F
(1.3°C)
118th Coolest Coolest since: 1937 1951
10th Warmest Warmest since: 1936 2012
Ties: 1934
Feb–Dec 1938
11-Month
52.8°F
(11.6°C)
50.2°F
(10.1°C)
2.6°F
(1.5°C)
121st Coolest Coolest since: 1937 1917
7th Warmest Warmest since: 1931 2012
Jan–Dec 1938
12-Month
50.0°F
(10.0°C)
47.5°F
(8.6°C)
2.5°F
(1.4°C)
119th Coolest Coolest since: 1937 1917
9th Warmest Warmest since: 1934 2012
Ties: 2017, 2021
Jul 1937–Dec 1938
18-Month
51.1°F
(10.6°C)
49.4°F
(9.7°C)
1.7°F
(0.9°C)
111th Coolest Coolest since: 1937 1951
16th Warmest Warmest since: 1934 2012
Jan 1937–Dec 1938
24-Month
48.2°F
(9.0°C)
47.6°F
(8.7°C)
0.6°F
(0.3°C)
91st Coolest Coolest since: 1937 1951
36th Warmest Warmest since: 1935 1931
Ties: 1901, 1940, 1941, 1974, 1992, 2004
Jan 1936–Dec 1938
36-Month
47.9°F
(8.8°C)
47.5°F
(8.6°C)
0.4°F
(0.2°C)
83rd Coolest Coolest since: 1937 1952
43rd Warmest Warmest since: 1936 2017
Ties: 1946, 1957, 1975
Jan 1935–Dec 1938
48-Month
47.7°F
(8.7°C)
47.4°F
(8.6°C)
0.3°F
(0.1°C)
74th Coolest Coolest since: 1930 1905
51st Warmest Warmest since: 1937 1934
Ties: 1911, 1948, 1977, 1983
Jan 1934–Dec 1938
60-Month
48.2°F
(9.0°C)
47.4°F
(8.6°C)
0.8°F
(0.4°C)
89th Coolest Coolest since: 1937 1907
35th Warmest Warmest since: 1936 1934, 2002
Ties: 1939, 1987, 1989, 1992, 2014

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on September 30, 2022 from https://www.ncdc.noaa.gov/cag/