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 May 2021. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, December 1899

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1899
1-Month
21.0°F
(-6.1°C)
22.7°F
(-5.2°C)
-1.7°F
(-0.9°C)
47th Coolest Coolest since: 1898 1983
80th Warmest Warmest since: 1896 2015
Nov–Dec 1899
2-Month
31.8°F
(-0.1°C)
29.2°F
(-1.6°C)
2.6°F
(1.5°C)
98th Coolest Coolest since: 1898 1985
29th Warmest Warmest to Date 2001
Ties: 1946, 1982, 2002
Oct–Dec 1899
3-Month
39.7°F
(4.3°C)
36.6°F
(2.6°C)
3.1°F
(1.7°C)
109th Coolest Coolest since: 1898 1985
18th Warmest Warmest to Date 1931
Ties: 1971, 2004
Sep–Dec 1899
4-Month
45.2°F
(7.3°C)
43.2°F
(6.2°C)
2.0°F
(1.1°C)
107th Coolest Coolest since: 1898 1985
20th Warmest Warmest to Date 1931
Ties: 1923, 1965, 2017
Aug–Dec 1899
5-Month
50.9°F
(10.5°C)
48.9°F
(9.4°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 1898 1985
16th Warmest Warmest to Date 1931
Jul–Dec 1899
6-Month
54.5°F
(12.5°C)
53.0°F
(11.7°C)
1.5°F
(0.8°C)
106th Coolest Coolest since: 1898 1985
21st Warmest Warmest to Date 1931
Jun–Dec 1899
7-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
96th Coolest Coolest since: 1898 1985
31st Warmest Warmest to Date 1931
Ties: 1923
May–Dec 1899
8-Month
57.1°F
(13.9°C)
55.9°F
(13.3°C)
1.2°F
(0.6°C)
99th Coolest Coolest since: 1898 1917
28th Warmest Warmest to Date 1931
Ties: 2006, 2018
Apr–Dec 1899
9-Month
56.1°F
(13.4°C)
55.0°F
(12.8°C)
1.1°F
(0.6°C)
94th Coolest Coolest since: 1898 1917
33rd Warmest Warmest to Date 1931
Ties: 1948, 1971, 1980
Mar–Dec 1899
10-Month
52.8°F
(11.6°C)
53.0°F
(11.7°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 1898 1951
71st Warmest Warmest since: 1895 2012
Ties: 1895, 1928, 2019
Feb–Dec 1899
11-Month
49.0°F
(9.4°C)
50.2°F
(10.1°C)
-1.2°F
(-0.7°C)
21st Coolest Coolest since: 1898 1917
106th Warmest Warmest since: 1898 2012
Ties: 1898, 1902, 1907, 1916, 1945, 1969
Jan–Dec 1899
12-Month
46.4°F
(8.0°C)
47.5°F
(8.6°C)
-1.1°F
(-0.6°C)
25th Coolest Coolest since: 1895 1917
102nd Warmest Warmest since: 1898 2012
Ties: 1907, 1945, 1966
Jul 1898–Dec 1899
18-Month
47.8°F
(8.8°C)
49.4°F
(9.7°C)
-1.6°F
(-0.9°C)
10th Coolest Coolest to Date 1951
116th Warmest Warmest since: 1898 2012
Jan 1898–Dec 1899
24-Month
46.6°F
(8.1°C)
47.5°F
(8.6°C)
-0.9°F
(-0.5°C)
22nd Coolest Coolest since: 1898 1951
104th Warmest Warmest since: 1898 1931
Ties: 1898, 1962, 1966, 1980, 1994
Jan 1897–Dec 1899
36-Month
46.6°F
(8.1°C)
47.5°F
(8.6°C)
-0.9°F
(-0.5°C)
13th Coolest Coolest to Date 1952
112th Warmest Warmest since: 1898 2017
Ties: 1926, 1960, 1961, 1967, 1972, 1996
Jan 1896–Dec 1899
48-Month
46.8°F
(8.2°C)
47.5°F
(8.6°C)
-0.7°F
(-0.4°C)
22nd Coolest Coolest since: 1898 1905
102nd Warmest Warmest to Date 1934
Ties: 1927, 1960, 1968, 1970, 1985
Jan 1895–Dec 1899
60-Month
46.6°F
(8.1°C)
47.4°F
(8.6°C)
-0.8°F
(-0.5°C)
8th Coolest Coolest to Date 1907
115th Warmest Warmest to Date 1934, 2002
Ties: 1920, 1962

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 22, 2021 from https://www.ncdc.noaa.gov/cag/