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


Iowa

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 2009
1-Month
19.8°F
(-6.8°C)
22.7°F
(-5.2°C)
-2.9°F
(-1.6°C)
37th Coolest Coolest since: 2008 1983
88th Warmest Warmest since: 2007 2015
Ties: 1990
Nov–Dec 2009
2-Month
31.6°F
(-0.2°C)
29.2°F
(-1.6°C)
2.4°F
(1.4°C)
93rd Coolest Coolest since: 2008 1985
32nd Warmest Warmest since: 2006 2001
Ties: 1957, 1984
Oct–Dec 2009
3-Month
36.0°F
(2.2°C)
36.6°F
(2.6°C)
-0.6°F
(-0.4°C)
47th Coolest Coolest since: 2008 1985
78th Warmest Warmest since: 2007 1931
Ties: 1906
Sep–Dec 2009
4-Month
42.8°F
(6.0°C)
43.2°F
(6.2°C)
-0.4°F
(-0.2°C)
47th Coolest Coolest since: 2008 1985
78th Warmest Warmest since: 2007 1931
Ties: 1952, 1957, 1964
Aug–Dec 2009
5-Month
47.9°F
(8.8°C)
48.8°F
(9.3°C)
-0.9°F
(-0.5°C)
36th Coolest Coolest since: 2008 1985
89th Warmest Warmest since: 2007 1931
Ties: 1909, 1964
Jul–Dec 2009
6-Month
51.3°F
(10.7°C)
53.0°F
(11.7°C)
-1.7°F
(-1.0°C)
18th Coolest Coolest since: 2000 1985
107th Warmest Warmest since: 2008 1931
Ties: 1932
Jun–Dec 2009
7-Month
53.8°F
(12.1°C)
55.3°F
(12.9°C)
-1.5°F
(-0.8°C)
20th Coolest Coolest since: 2000 1985
105th Warmest Warmest since: 2008 1931
Ties: 1915, 1929, 1993
May–Dec 2009
8-Month
54.5°F
(12.5°C)
55.8°F
(13.2°C)
-1.3°F
(-0.7°C)
20th Coolest Coolest since: 1996 1917
105th Warmest Warmest since: 2008 1931
Ties: 1927, 1961
Apr–Dec 2009
9-Month
53.7°F
(12.1°C)
55.0°F
(12.8°C)
-1.3°F
(-0.7°C)
19th Coolest Coolest since: 1996 1917
106th Warmest Warmest since: 2008 1931
Ties: 1904, 1926, 1935
Mar–Dec 2009
10-Month
52.0°F
(11.1°C)
52.9°F
(11.6°C)
-0.9°F
(-0.5°C)
29th Coolest Coolest since: 2008 1951
96th Warmest Warmest since: 2007 2012
Ties: 1897, 1983
Feb–Dec 2009
11-Month
49.7°F
(9.8°C)
50.2°F
(10.1°C)
-0.5°F
(-0.3°C)
46th Coolest Coolest since: 2008 1917
79th Warmest Warmest since: 2007 2012
Ties: 1896, 1992
Jan–Dec 2009
12-Month
46.7°F
(8.2°C)
47.5°F
(8.6°C)
-0.8°F
(-0.4°C)
36th Coolest Coolest since: 2008 1917
89th Warmest Warmest since: 2007 2012
Ties: 1898, 1915, 1961, 1965, 2013
Jul 2008–Dec 2009
18-Month
48.5°F
(9.2°C)
49.4°F
(9.7°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 1997 1951
97th Warmest Warmest since: 2008 2012
Ties: 1920, 1945, 1985
Jan 2008–Dec 2009
24-Month
46.3°F
(7.9°C)
47.5°F
(8.6°C)
-1.2°F
(-0.7°C)
11th Coolest Coolest since: 1997 1951
113th Warmest Warmest since: 2008 1931
Ties: 1925
Jan 2007–Dec 2009
36-Month
47.2°F
(8.4°C)
47.5°F
(8.6°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1997 1952
78th Warmest Warmest since: 2008 2017
Ties: 1900, 1966, 1973, 1984
Jan 2006–Dec 2009
48-Month
48.0°F
(8.9°C)
47.5°F
(8.6°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 1998 1905
41st Warmest Warmest since: 2008 1934
Ties: 1944, 2016
Jan 2005–Dec 2009
60-Month
48.3°F
(9.1°C)
47.5°F
(8.6°C)
0.8°F
(0.5°C)
94th Coolest Coolest since: 2000 1907
27th Warmest Warmest since: 2008 1934, 2002
Ties: 1932, 1936, 2000, 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 6, 2019 from https://www.ncdc.noaa.gov/cag/