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 1909

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1909
1-Month
13.4°F
(-10.3°C)
22.7°F
(-5.2°C)
-9.3°F
(-5.1°C)
7th Coolest Coolest to Date 1983
118th Warmest Warmest since: 1908 2015
Nov–Dec 1909
2-Month
27.1°F
(-2.7°C)
29.2°F
(-1.6°C)
-2.1°F
(-1.1°C)
32nd Coolest Coolest since: 1903 1985
93rd Warmest Warmest since: 1908 2001
Ties: 1995
Oct–Dec 1909
3-Month
34.2°F
(1.2°C)
36.6°F
(2.6°C)
-2.4°F
(-1.4°C)
23rd Coolest Coolest since: 1903 1985
102nd Warmest Warmest since: 1908 1931
Sep–Dec 1909
4-Month
41.0°F
(5.0°C)
43.2°F
(6.2°C)
-2.2°F
(-1.2°C)
18th Coolest Coolest since: 1903 1985
107th Warmest Warmest since: 1908 1931
Aug–Dec 1909
5-Month
47.9°F
(8.8°C)
48.8°F
(9.3°C)
-0.9°F
(-0.5°C)
36th Coolest Coolest since: 1903 1985
89th Warmest Warmest since: 1908 1931
Ties: 1964, 2009
Jul–Dec 1909
6-Month
51.9°F
(11.1°C)
53.0°F
(11.7°C)
-1.1°F
(-0.6°C)
28th Coolest Coolest since: 1903 1985
97th Warmest Warmest since: 1908 1931
Jun–Dec 1909
7-Month
54.3°F
(12.4°C)
55.3°F
(12.9°C)
-1.0°F
(-0.5°C)
28th Coolest Coolest since: 1903 1985
97th Warmest Warmest since: 1908 1931
Ties: 1895, 1919
May–Dec 1909
8-Month
54.6°F
(12.6°C)
55.8°F
(13.2°C)
-1.2°F
(-0.6°C)
23rd Coolest Coolest since: 1907 1917
102nd Warmest Warmest since: 1908 1931
Ties: 2000
Apr–Dec 1909
9-Month
53.3°F
(11.8°C)
55.0°F
(12.8°C)
-1.7°F
(-1.0°C)
13th Coolest Coolest since: 1907 1917
112th Warmest Warmest since: 1908 1931
Ties: 1898, 1976
Mar–Dec 1909
10-Month
51.1°F
(10.6°C)
52.9°F
(11.6°C)
-1.8°F
(-1.0°C)
6th Coolest Coolest to Date 1951
119th Warmest Warmest since: 1908 2012
Feb–Dec 1909
11-Month
48.7°F
(9.3°C)
50.2°F
(10.1°C)
-1.5°F
(-0.8°C)
15th Coolest Coolest since: 1904 1917
110th Warmest Warmest since: 1908 2012
Ties: 1978
Jan–Dec 1909
12-Month
46.3°F
(7.9°C)
47.5°F
(8.6°C)
-1.2°F
(-0.7°C)
22nd Coolest Coolest since: 1905 1917
103rd Warmest Warmest since: 1908 2012
Ties: 1916, 1937
Jul 1908–Dec 1909
18-Month
48.8°F
(9.3°C)
49.4°F
(9.7°C)
-0.6°F
(-0.4°C)
39th Coolest Coolest since: 1907 1951
85th Warmest Warmest since: 1908 2012
Ties: 1898, 1968, 1994
Jan 1908–Dec 1909
24-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 1907 1951
72nd Warmest Warmest since: 1908 1931
Ties: 1902, 1920, 1926, 1927, 1936, 1944
Jan 1907–Dec 1909
36-Month
47.0°F
(8.3°C)
47.5°F
(8.6°C)
-0.5°F
(-0.3°C)
33rd Coolest Coolest since: 1907 1952
90th Warmest Warmest since: 1908 2017
Ties: 1929, 1937, 1945, 1978, 1994
Jan 1906–Dec 1909
48-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
36th Coolest Coolest since: 1908 1905
86th Warmest Warmest since: 1908 1934
Ties: 1908, 1967, 1973, 1978, 1995
Jan 1905–Dec 1909
60-Month
46.9°F
(8.3°C)
47.4°F
(8.6°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest since: 1908 1907
97th Warmest Warmest since: 1904 1934, 2002
Ties: 1904, 1971, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 5, 2019 from https://www.ncdc.noaa.gov/cag/