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 December 2019. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, September 1900

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1900
1-Month
63.9°F
(17.7°C)
63.0°F
(17.2°C)
0.9°F
(0.5°C)
74th Coolest Coolest since: 1899 1896, 1993
52nd Warmest Warmest since: 1898 1897, 1931
Aug–Sep 1900
2-Month
70.4°F
(21.3°C)
67.2°F
(19.6°C)
3.2°F
(1.7°C)
118th Coolest Coolest since: 1899 1974, 1992
8th Warmest Warmest to Date 1947
Jul–Sep 1900
3-Month
71.3°F
(21.8°C)
69.4°F
(20.8°C)
1.9°F
(1.0°C)
108th Coolest Coolest since: 1899 1992
18th Warmest Warmest to Date 1936
Ties: 1919, 1941, 2005
Jun–Sep 1900
4-Month
70.7°F
(21.5°C)
69.3°F
(20.7°C)
1.4°F
(0.8°C)
98th Coolest Coolest since: 1899 1915
28th Warmest Warmest to Date 1936
Ties: 2010
May–Sep 1900
5-Month
69.2°F
(20.7°C)
67.5°F
(19.7°C)
1.7°F
(1.0°C)
107th Coolest Coolest since: 1899 1915
19th Warmest Warmest to Date 1936
Ties: 1914
Apr–Sep 1900
6-Month
66.2°F
(19.0°C)
64.2°F
(17.9°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 1899 1907
15th Warmest Warmest to Date 1936
Mar–Sep 1900
7-Month
61.0°F
(16.1°C)
59.9°F
(15.5°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1899 1951
33rd Warmest Warmest since: 1895 2012
Ties: 1895, 1985, 2015
Feb–Sep 1900
8-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 1899 1950
70th Warmest Warmest since: 1898 2012
Ties: 1956
Jan–Sep 1900
9-Month
51.7°F
(10.9°C)
51.2°F
(10.7°C)
0.5°F
(0.2°C)
78th Coolest Coolest since: 1899 1912
48th Warmest Warmest since: 1898 2012
Ties: 1980
Dec 1899–Sep 1900
10-Month
48.6°F
(9.2°C)
48.3°F
(9.1°C)
0.3°F
(0.1°C)
70th Coolest Coolest since: 1899 1979
55th Warmest Warmest since: 1896 2012
Ties: 1935, 1957, 1964, 1985, 1986, 2013
Nov 1899–Sep 1900
11-Month
48.1°F
(8.9°C)
47.2°F
(8.4°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1899 1912
32nd Warmest Warmest to Date 2012
Ties: 1908, 1913, 1980, 1990, 1995
Oct 1899–Sep 1900
12-Month
48.7°F
(9.3°C)
47.5°F
(8.6°C)
1.2°F
(0.7°C)
93rd Coolest Coolest since: 1899 1912
32nd Warmest Warmest to Date 2012
Ties: 1933
Apr 1899–Sep 1900
18-Month
53.9°F
(12.2°C)
53.1°F
(11.7°C)
0.8°F
(0.5°C)
90th Coolest Coolest since: 1899 1951
35th Warmest Warmest to Date 2012
Ties: 1911, 1937
Oct 1898–Sep 1900
24-Month
46.5°F
(8.1°C)
47.5°F
(8.6°C)
-1.0°F
(-0.5°C)
19th Coolest Coolest since: 1899 1979
105th Warmest Warmest since: 1898 2017
Ties: 1960, 1962, 1966, 2009
Oct 1897–Sep 1900
36-Month
46.9°F
(8.3°C)
47.5°F
(8.6°C)
-0.6°F
(-0.3°C)
24th Coolest Coolest since: 1899 1979
99th Warmest Warmest since: 1898 2000
Ties: 1928, 1929, 1963, 1969, 1970, 1995, 1996
Oct 1896–Sep 1900
48-Month
46.8°F
(8.2°C)
47.5°F
(8.6°C)
-0.7°F
(-0.4°C)
20th Coolest Coolest since: 1899 1905, 1918
102nd Warmest Warmest to Date 1934
Ties: 1912, 1917, 1929, 1970, 1971, 1982
Oct 1895–Sep 1900
60-Month
46.9°F
(8.3°C)
47.5°F
(8.6°C)
-0.6°F
(-0.3°C)
20th Coolest Coolest to Date 1906, 1907
101st Warmest Warmest to Date 2002
Ties: 1960, 1970, 1972, 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 20, 2020 from https://www.ncdc.noaa.gov/cag/