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


Iowa

Average Temperature Rankings, May 1938

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1938
1-Month
58.8°F
(14.9°C)
59.8°F
(15.4°C)
-1.0°F
(-0.5°C)
50th Coolest Coolest since: 1935 1907
77th Warmest Warmest since: 1937 1934
Ties: 1913
Apr–May 1938
2-Month
54.0°F
(12.2°C)
53.9°F
(12.2°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 1937 1907
65th Warmest Warmest since: 1936 1977
Ties: 1913
Mar–May 1938
3-Month
50.1°F
(10.1°C)
47.5°F
(8.6°C)
2.6°F
(1.5°C)
107th Coolest Coolest since: 1937 1960
20th Warmest Warmest since: 1934 2012
Ties: 1918, 1941, 1955
Feb–May 1938
4-Month
44.4°F
(6.9°C)
41.3°F
(5.2°C)
3.1°F
(1.7°C)
110th Coolest Coolest since: 1937 1899
17th Warmest Warmest since: 1930 2012
Jan–May 1938
5-Month
39.3°F
(4.1°C)
36.6°F
(2.6°C)
2.7°F
(1.5°C)
108th Coolest Coolest since: 1937 1979
19th Warmest Warmest since: 1934 2012
Ties: 1977, 1999
Dec 1937–May 1938
6-Month
36.2°F
(2.3°C)
34.3°F
(1.3°C)
1.9°F
(1.0°C)
98th Coolest Coolest since: 1937 1979
28th Warmest Warmest since: 1934 2012
Ties: 1991
Nov 1937–May 1938
7-Month
35.7°F
(2.1°C)
34.6°F
(1.4°C)
1.1°F
(0.7°C)
91st Coolest Coolest since: 1937 1979
35th Warmest Warmest since: 1934 2012
Ties: 1983
Oct 1937–May 1938
8-Month
37.3°F
(2.9°C)
36.6°F
(2.6°C)
0.7°F
(0.3°C)
81st Coolest Coolest since: 1937 1899, 1979
45th Warmest Warmest since: 1935 2012
Ties: 1903
Sep 1937–May 1938
9-Month
40.4°F
(4.7°C)
39.6°F
(4.2°C)
0.8°F
(0.5°C)
90th Coolest Coolest since: 1937 1899
36th Warmest Warmest since: 1934 2012
Ties: 1900, 1957, 1974, 1983, 1988
Aug 1937–May 1938
10-Month
44.0°F
(6.7°C)
42.7°F
(5.9°C)
1.3°F
(0.8°C)
96th Coolest Coolest since: 1937 1899
30th Warmest Warmest since: 1934 2012
Ties: 1985
Jul 1937–May 1938
11-Month
46.9°F
(8.3°C)
45.6°F
(7.6°C)
1.3°F
(0.7°C)
97th Coolest Coolest since: 1937 1899
29th Warmest Warmest since: 1934 2012
Jun 1937–May 1938
12-Month
48.7°F
(9.3°C)
47.6°F
(8.7°C)
1.1°F
(0.6°C)
95th Coolest Coolest since: 1937 1904
31st Warmest Warmest since: 1935 2012
Ties: 1989
Dec 1936–May 1938
18-Month
43.3°F
(6.3°C)
43.1°F
(6.2°C)
0.2°F
(0.1°C)
73rd Coolest Coolest since: 1937 1979
52nd Warmest Warmest since: 1935 2017
Ties: 1947, 1956, 1982
Jun 1936–May 1938
24-Month
48.3°F
(9.1°C)
47.5°F
(8.6°C)
0.8°F
(0.5°C)
92nd Coolest Coolest since: 1937 1905
33rd Warmest Warmest since: 1935 2017
Ties: 1901, 1902, 1987, 1990
Jun 1935–May 1938
36-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1930 1905, 1918
77th Warmest Warmest since: 1937 2000
Ties: 1928, 1945, 1978
Jun 1934–May 1938
48-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1931 1907
53rd Warmest Warmest since: 1937 1934
Ties: 1921, 1931, 1984
Jun 1933–May 1938
60-Month
48.2°F
(9.0°C)
47.5°F
(8.6°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1937 1907, 1997
33rd Warmest Warmest since: 1936 1935
Ties: 1988, 2012, 2015

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2020, retrieved on July 4, 2020 from https://www.ncdc.noaa.gov/cag/