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, December 1930

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1930
1-Month
24.8°F
(-4.0°C)
22.7°F
(-5.2°C)
2.1°F
(1.2°C)
72nd Coolest Coolest since: 1929 1983
54th Warmest Warmest since: 1928 2015
Nov–Dec 1930
2-Month
32.2°F
(0.1°C)
29.3°F
(-1.5°C)
2.9°F
(1.6°C)
102nd Coolest Coolest since: 1929 1985
24th Warmest Warmest since: 1923 2001
Oct–Dec 1930
3-Month
37.9°F
(3.3°C)
36.6°F
(2.6°C)
1.3°F
(0.7°C)
80th Coolest Coolest since: 1929 1985
46th Warmest Warmest since: 1928 1931
Sep–Dec 1930
4-Month
44.8°F
(7.1°C)
43.3°F
(6.3°C)
1.5°F
(0.8°C)
96th Coolest Coolest since: 1929 1985
30th Warmest Warmest since: 1923 1931
Ties: 1940, 1979, 2005
Aug–Dec 1930
5-Month
50.5°F
(10.3°C)
48.8°F
(9.3°C)
1.7°F
(1.0°C)
104th Coolest Coolest since: 1929 1985
22nd Warmest Warmest since: 1922 1931
Ties: 1954, 1975, 2007
Jul–Dec 1930
6-Month
55.0°F
(12.8°C)
53.0°F
(11.7°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1929 1985
14th Warmest Warmest since: 1913 1931
Ties: 1999
Jun–Dec 1930
7-Month
56.9°F
(13.8°C)
55.3°F
(12.9°C)
1.6°F
(0.9°C)
104th Coolest Coolest since: 1929 1985
22nd Warmest Warmest since: 1922 1931
Ties: 1918, 1947, 1971, 1988, 2005
May–Dec 1930
8-Month
57.2°F
(14.0°C)
55.9°F
(13.3°C)
1.3°F
(0.7°C)
99th Coolest Coolest since: 1929 1917
27th Warmest Warmest since: 1922 1931
Apr–Dec 1930
9-Month
56.5°F
(13.6°C)
55.0°F
(12.8°C)
1.5°F
(0.8°C)
104th Coolest Coolest since: 1929 1917
22nd Warmest Warmest since: 1922 1931
Ties: 1933, 1949, 2011
Mar–Dec 1930
10-Month
54.5°F
(12.5°C)
53.0°F
(11.7°C)
1.5°F
(0.8°C)
103rd Coolest Coolest since: 1929 1951
23rd Warmest Warmest since: 1922 2012
Ties: 1963, 2005
Feb–Dec 1930
11-Month
52.6°F
(11.4°C)
50.2°F
(10.1°C)
2.4°F
(1.3°C)
118th Coolest Coolest since: 1929 1917
8th Warmest Warmest since: 1921 2012
Ties: 1999
Jan–Dec 1930
12-Month
49.0°F
(9.4°C)
47.6°F
(8.7°C)
1.4°F
(0.7°C)
103rd Coolest Coolest since: 1929 1917
23rd Warmest Warmest since: 1922 2012
Ties: 1922, 1981
Jul 1929–Dec 1930
18-Month
49.9°F
(9.9°C)
49.4°F
(9.7°C)
0.5°F
(0.2°C)
85th Coolest Coolest since: 1929 1951
40th Warmest Warmest since: 1923 2012
Ties: 1919, 1946, 1980, 2003
Jan 1929–Dec 1930
24-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1929 1951
82nd Warmest Warmest since: 1928 1931
Ties: 1943, 1963, 1968, 1973
Jan 1928–Dec 1930
36-Month
47.5°F
(8.6°C)
47.6°F
(8.7°C)
-0.1°F
(-0.1°C)
64th Coolest Coolest since: 1929 1952
60th Warmest Warmest since: 1928 2017
Ties: 1958
Jan 1927–Dec 1930
48-Month
47.5°F
(8.6°C)
47.5°F
(8.6°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1929 1905
65th Warmest Warmest since: 1928 1934
Ties: 1913, 1916, 1986
Jan 1926–Dec 1930
60-Month
47.4°F
(8.6°C)
47.5°F
(8.6°C)
-0.1°F
(0.0°C)
55th Coolest Coolest since: 1929 1907
67th Warmest Warmest since: 1925 1934, 2002
Ties: 1911, 1915, 1995

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/