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


Iowa

Average Temperature Rankings, August 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
August 2009
1-Month
68.3°F
(20.2°C)
71.4°F
(21.9°C)
-3.1°F
(-1.7°C)
14th Coolest Coolest since: 2004 1915
112th Warmest Warmest since: 2008 1947
Ties: 1904
Jul–Aug 2009
2-Month
68.2°F
(20.1°C)
72.7°F
(22.6°C)
-4.5°F
(-2.5°C)
4th Coolest Coolest since: 1992 1992
122nd Warmest Warmest since: 2008 1936
Jun–Aug 2009
3-Month
68.4°F
(20.2°C)
71.5°F
(21.9°C)
-3.1°F
(-1.7°C)
7th Coolest Coolest since: 2004 1915
119th Warmest Warmest since: 2008 1936
Ties: 1904, 1951
May–Aug 2009
4-Month
66.2°F
(19.0°C)
68.5°F
(20.3°C)
-2.3°F
(-1.3°C)
12th Coolest Coolest since: 2004 1915
114th Warmest Warmest since: 2008 1934
Apr–Aug 2009
5-Month
62.4°F
(16.9°C)
64.5°F
(18.1°C)
-2.1°F
(-1.2°C)
14th Coolest Coolest since: 1997 1907
112th Warmest Warmest since: 2008 1934
Ties: 1996, 1997
Mar–Aug 2009
6-Month
58.2°F
(14.6°C)
59.5°F
(15.3°C)
-1.3°F
(-0.7°C)
27th Coolest Coolest since: 2008 1950
99th Warmest Warmest since: 2007 2012
Ties: 1906, 1927, 1958, 1967, 1997
Feb–Aug 2009
7-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
47th Coolest Coolest since: 2008 1904, 1950
79th Warmest Warmest since: 2007 2012
Ties: 1944, 1945
Jan–Aug 2009
8-Month
48.6°F
(9.2°C)
49.6°F
(9.8°C)
-1.0°F
(-0.6°C)
34th Coolest Coolest since: 2008 1979
92nd Warmest Warmest since: 2007 2012
Ties: 1937, 1997
Dec 2008–Aug 2009
9-Month
45.2°F
(7.3°C)
46.7°F
(8.2°C)
-1.5°F
(-0.9°C)
22nd Coolest Coolest since: 2008 1979
103rd Warmest Warmest since: 2007 2012
Nov 2008–Aug 2009
10-Month
44.4°F
(6.9°C)
45.6°F
(7.6°C)
-1.2°F
(-0.7°C)
31st Coolest Coolest since: 2008 1979
94th Warmest Warmest since: 2007 2012
Ties: 1971
Oct 2008–Aug 2009
11-Month
45.0°F
(7.2°C)
46.2°F
(7.9°C)
-1.2°F
(-0.7°C)
32nd Coolest Coolest since: 2008 1912, 1979
93rd Warmest Warmest since: 2008 2012
Ties: 1956, 2008
Sep 2008–Aug 2009
12-Month
46.5°F
(8.1°C)
47.5°F
(8.6°C)
-1.0°F
(-0.5°C)
30th Coolest Coolest since: 1997 1904
95th Warmest Warmest since: 2008 2012
Ties: 1902, 1907, 1958
Mar 2008–Aug 2009
18-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
19th Coolest Coolest since: 1997 1951
106th Warmest Warmest since: 2008 2012
Ties: 1907, 1916, 1924, 1960, 1970
Sep 2007–Aug 2009
24-Month
46.6°F
(8.1°C)
47.5°F
(8.6°C)
-0.9°F
(-0.5°C)
21st Coolest Coolest since: 1997 1979
103rd Warmest Warmest since: 2008 2017
Ties: 1900, 1962, 1963, 1966
Sep 2006–Aug 2009
36-Month
47.4°F
(8.6°C)
47.5°F
(8.6°C)
-0.1°F
(0.0°C)
54th Coolest Coolest since: 1998 1979
69th Warmest Warmest since: 2008 2000
Ties: 1903, 1938, 1975, 2011
Sep 2005–Aug 2009
48-Month
48.1°F
(8.9°C)
47.4°F
(8.6°C)
0.7°F
(0.3°C)
87th Coolest Coolest since: 1999 1905
35th Warmest Warmest since: 2008 1934
Ties: 1943, 1944, 1983, 2015
Sep 2004–Aug 2009
60-Month
48.5°F
(9.2°C)
47.4°F
(8.6°C)
1.1°F
(0.6°C)
105th Coolest Coolest since: 2000 1907
16th Warmest Warmest since: 2008 2002
Ties: 1923, 1932, 1933, 1989, 1990, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on July 12, 2020 from https://www.ncdc.noaa.gov/cag/