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


Iowa

Average Temperature Rankings, May 1940

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1940
1-Month
57.6°F
(14.2°C)
59.8°F
(15.4°C)
-2.2°F
(-1.2°C)
32nd Coolest Coolest since: 1935 1907
95th Warmest Warmest since: 1939 1934
Ties: 1927, 1976, 2020
Apr–May 1940
2-Month
52.0°F
(11.1°C)
53.9°F
(12.2°C)
-1.9°F
(-1.1°C)
22nd Coolest Coolest since: 1935 1907
105th Warmest Warmest since: 1939 1977
Ties: 1973
Mar–May 1940
3-Month
44.7°F
(7.1°C)
47.5°F
(8.6°C)
-2.8°F
(-1.5°C)
15th Coolest Coolest since: 1924 1960
112th Warmest Warmest since: 1939 2012
Ties: 1923, 1943
Feb–May 1940
4-Month
39.2°F
(4.0°C)
41.3°F
(5.2°C)
-2.1°F
(-1.2°C)
24th Coolest Coolest since: 1936 1899
103rd Warmest Warmest since: 1939 2012
Ties: 1907
Jan–May 1940
5-Month
32.7°F
(0.4°C)
36.6°F
(2.6°C)
-3.9°F
(-2.2°C)
8th Coolest Coolest since: 1936 1979
119th Warmest Warmest since: 1939 2012
Dec 1939–May 1940
6-Month
32.4°F
(0.2°C)
34.3°F
(1.3°C)
-1.9°F
(-1.1°C)
22nd Coolest Coolest since: 1936 1979
104th Warmest Warmest since: 1939 2012
Ties: 1971
Nov 1939–May 1940
7-Month
33.2°F
(0.7°C)
34.5°F
(1.4°C)
-1.3°F
(-0.7°C)
30th Coolest Coolest since: 1937 1979
96th Warmest Warmest since: 1939 2012
Ties: 1907, 1918
Oct 1939–May 1940
8-Month
35.6°F
(2.0°C)
36.7°F
(2.6°C)
-1.1°F
(-0.6°C)
35th Coolest Coolest since: 1937 1899, 1979
91st Warmest Warmest since: 1939 2012
Ties: 1952
Sep 1939–May 1940
9-Month
39.2°F
(4.0°C)
39.6°F
(4.2°C)
-0.4°F
(-0.2°C)
47th Coolest Coolest since: 1937 1899
79th Warmest Warmest since: 1939 2012
Ties: 1902, 1973, 2009
Aug 1939–May 1940
10-Month
42.3°F
(5.7°C)
42.8°F
(6.0°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 1936 1899
83rd Warmest Warmest since: 1939 2012
Ties: 1958, 1967, 2009
Jul 1939–May 1940
11-Month
45.3°F
(7.4°C)
45.6°F
(7.6°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1936 1899
76th Warmest Warmest since: 1939 2012
Ties: 1909, 1910, 1953, 1956, 1967, 1972
Jun 1939–May 1940
12-Month
47.4°F
(8.6°C)
47.5°F
(8.6°C)
-0.1°F
(0.0°C)
59th Coolest Coolest since: 1936 1904
67th Warmest Warmest since: 1939 2012
Ties: 1958
Dec 1938–May 1940
18-Month
43.7°F
(6.5°C)
43.1°F
(6.2°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 1938 1979
41st Warmest Warmest since: 1939 2017
Ties: 1990, 2008
Jun 1938–May 1940
24-Month
48.6°F
(9.2°C)
47.5°F
(8.6°C)
1.1°F
(0.6°C)
101st Coolest Coolest since: 1938 1905
24th Warmest Warmest since: 1939 2017
Ties: 1923, 1931, 1954, 1989, 2001
Jun 1937–May 1940
36-Month
48.6°F
(9.2°C)
47.5°F
(8.6°C)
1.1°F
(0.6°C)
101st Coolest Coolest since: 1938 1905, 1918
23rd Warmest Warmest since: 1939 2000
Ties: 1956, 1991, 2005, 2014, 2019
Jun 1936–May 1940
48-Month
48.4°F
(9.1°C)
47.4°F
(8.6°C)
1.0°F
(0.5°C)
95th Coolest Coolest since: 1939 1907
28th Warmest Warmest since: 1935 1934
Ties: 1923, 1932, 2004, 2009, 2014
Jun 1935–May 1940
60-Month
47.8°F
(8.8°C)
47.5°F
(8.6°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1931 1907, 1997
48th Warmest Warmest since: 1939 1935
Ties: 1946, 1956, 1976, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 7, 2020 from https://www.ncdc.noaa.gov/cag/