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 2020. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, December 1900

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1900
1-Month
25.4°F
(-3.7°C)
22.7°F
(-5.2°C)
2.7°F
(1.5°C)
78th Coolest Coolest since: 1899 1983
49th Warmest Warmest since: 1896 2015
Ties: 1905, 1949, 1974, 1988
Nov–Dec 1900
2-Month
28.7°F
(-1.8°C)
29.2°F
(-1.6°C)
-0.5°F
(-0.2°C)
49th Coolest Coolest since: 1898 1985
78th Warmest Warmest since: 1899 2001
Oct–Dec 1900
3-Month
38.6°F
(3.7°C)
36.6°F
(2.6°C)
2.0°F
(1.1°C)
97th Coolest Coolest since: 1898 1985
30th Warmest Warmest since: 1899 1931
Ties: 1982, 2012
Sep–Dec 1900
4-Month
44.9°F
(7.2°C)
43.2°F
(6.2°C)
1.7°F
(1.0°C)
99th Coolest Coolest since: 1898 1985
28th Warmest Warmest since: 1899 1931
Ties: 1963
Aug–Dec 1900
5-Month
51.3°F
(10.7°C)
48.8°F
(9.3°C)
2.5°F
(1.4°C)
115th Coolest Coolest since: 1899 1985
12th Warmest Warmest to Date 1931
Ties: 1922
Jul–Dec 1900
6-Month
54.9°F
(12.7°C)
53.0°F
(11.7°C)
1.9°F
(1.0°C)
111th Coolest Coolest since: 1899 1985
16th Warmest Warmest to Date 1931
Jun–Dec 1900
7-Month
57.0°F
(13.9°C)
55.4°F
(13.0°C)
1.6°F
(0.9°C)
109th Coolest Coolest since: 1899 1985
18th Warmest Warmest to Date 1931
Ties: 1922, 1956, 1999
May–Dec 1900
8-Month
57.7°F
(14.3°C)
55.9°F
(13.3°C)
1.8°F
(1.0°C)
109th Coolest Coolest since: 1899 1917
18th Warmest Warmest to Date 1931
Ties: 1922
Apr–Dec 1900
9-Month
57.0°F
(13.9°C)
55.0°F
(12.8°C)
2.0°F
(1.1°C)
113th Coolest Coolest since: 1899 1917
14th Warmest Warmest to Date 1931
Mar–Dec 1900
10-Month
54.3°F
(12.4°C)
53.0°F
(11.7°C)
1.3°F
(0.7°C)
99th Coolest Coolest since: 1899 1951
28th Warmest Warmest to Date 2012
Ties: 1933
Feb–Dec 1900
11-Month
50.6°F
(10.3°C)
50.2°F
(10.1°C)
0.4°F
(0.2°C)
80th Coolest Coolest since: 1899 1917
47th Warmest Warmest to Date 2012
Ties: 1908, 1964, 1971
Jan–Dec 1900
12-Month
48.4°F
(9.1°C)
47.5°F
(8.6°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 1899 1917
36th Warmest Warmest to Date 2012
Ties: 1911, 1977, 2011
Jul 1899–Dec 1900
18-Month
50.4°F
(10.2°C)
49.3°F
(9.6°C)
1.1°F
(0.6°C)
101st Coolest Coolest since: 1899 1951
25th Warmest Warmest to Date 2012
Ties: 1913, 1942, 2004
Jan 1899–Dec 1900
24-Month
47.4°F
(8.6°C)
47.5°F
(8.6°C)
-0.1°F
(0.0°C)
67th Coolest Coolest since: 1899 1951
59th Warmest Warmest to Date 1931
Ties: 1908, 1915, 1976, 1995, 2008, 2010, 2015
Jan 1898–Dec 1900
36-Month
47.2°F
(8.4°C)
47.5°F
(8.6°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1899 1952
80th Warmest Warmest to Date 2017
Ties: 1966, 1973, 1984, 2009
Jan 1897–Dec 1900
48-Month
47.0°F
(8.3°C)
47.5°F
(8.6°C)
-0.5°F
(-0.3°C)
31st Coolest Coolest since: 1899 1905
93rd Warmest Warmest to Date 1934
Ties: 1929, 1950, 1971, 1982
Jan 1896–Dec 1900
60-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
30th Coolest Coolest since: 1899 1907
93rd Warmest Warmest to Date 1934, 2002
Ties: 1903, 1928, 1929, 1954, 1960, 1964

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 28, 2021 from https://www.ncdc.noaa.gov/cag/