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 2020. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, May 1931

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1931
1-Month
56.8°F
(13.8°C)
59.8°F
(15.4°C)
-3.0°F
(-1.6°C)
21st Coolest Coolest since: 1924 1907
105th Warmest Warmest since: 1930 1934
Ties: 1943, 1971, 2002
Apr–May 1931
2-Month
53.4°F
(11.9°C)
53.9°F
(12.2°C)
-0.5°F
(-0.3°C)
47th Coolest Coolest since: 1928 1907
79th Warmest Warmest since: 1930 1977
Ties: 1956, 1982, 2009, 2011
Mar–May 1931
3-Month
46.8°F
(8.2°C)
47.5°F
(8.6°C)
-0.7°F
(-0.4°C)
51st Coolest Coolest since: 1926 1960
75th Warmest Warmest since: 1930 2012
Feb–May 1931
4-Month
43.6°F
(6.4°C)
41.3°F
(5.2°C)
2.3°F
(1.2°C)
103rd Coolest Coolest since: 1929 1899
23rd Warmest Warmest since: 1930 2012
Ties: 1911
Jan–May 1931
5-Month
40.3°F
(4.6°C)
36.6°F
(2.6°C)
3.7°F
(2.0°C)
116th Coolest Coolest since: 1930 1979
10th Warmest Warmest since: 1921 2012
Ties: 1981, 1990
Dec 1930–May 1931
6-Month
37.7°F
(3.2°C)
34.3°F
(1.3°C)
3.4°F
(1.9°C)
115th Coolest Coolest since: 1930 1979
10th Warmest Warmest since: 1921 2012
Ties: 1999
Nov 1930–May 1931
7-Month
38.0°F
(3.3°C)
34.5°F
(1.4°C)
3.5°F
(1.9°C)
115th Coolest Coolest since: 1930 1979
10th Warmest Warmest since: 1921 2012
Ties: 1998
Oct 1930–May 1931
8-Month
39.4°F
(4.1°C)
36.6°F
(2.6°C)
2.8°F
(1.5°C)
112th Coolest Coolest since: 1930 1899, 1979
13th Warmest Warmest since: 1921 2012
Ties: 1932
Sep 1930–May 1931
9-Month
42.3°F
(5.7°C)
39.6°F
(4.2°C)
2.7°F
(1.5°C)
112th Coolest Coolest since: 1930 1899
13th Warmest Warmest since: 1921 2012
Aug 1930–May 1931
10-Month
45.4°F
(7.4°C)
42.7°F
(5.9°C)
2.7°F
(1.5°C)
114th Coolest Coolest since: 1930 1899
11th Warmest Warmest since: 1921 2012
Jul 1930–May 1931
11-Month
48.3°F
(9.1°C)
45.6°F
(7.6°C)
2.7°F
(1.5°C)
114th Coolest Coolest since: 1930 1899
11th Warmest Warmest since: 1921 2012
Jun 1930–May 1931
12-Month
50.0°F
(10.0°C)
47.6°F
(8.7°C)
2.4°F
(1.3°C)
114th Coolest Coolest since: 1930 1904
11th Warmest Warmest since: 1921 2012
Ties: 1934
Dec 1929–May 1931
18-Month
45.1°F
(7.3°C)
43.1°F
(6.2°C)
2.0°F
(1.1°C)
108th Coolest Coolest since: 1930 1979
16th Warmest Warmest since: 1922 2017
Jun 1929–May 1931
24-Month
48.6°F
(9.2°C)
47.5°F
(8.6°C)
1.1°F
(0.6°C)
100th Coolest Coolest since: 1930 1905
24th Warmest Warmest since: 1923 2017
Ties: 1923, 1940, 1954, 1989, 2001
Jun 1928–May 1931
36-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
72nd Coolest Coolest since: 1930 1905, 1918
51st Warmest Warmest since: 1924 2000
Ties: 1974, 1977, 2009, 2016
Jun 1927–May 1931
48-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1930 1907
52nd Warmest Warmest since: 1925 1934
Ties: 1921, 1938, 1984
Jun 1926–May 1931
60-Month
47.6°F
(8.7°C)
47.5°F
(8.6°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 1930 1907, 1997
56th Warmest Warmest since: 1926 1935
Ties: 1915, 1948, 1949

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2020, retrieved on June 3, 2020 from https://www.ncdc.noaa.gov/cag/