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 June 2020. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, December 1999

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1999
1-Month
27.0°F
(-2.8°C)
22.7°F
(-5.2°C)
4.3°F
(2.4°C)
96th Coolest Coolest since: 1996 1983
30th Warmest Warmest since: 1998 2015
Ties: 1928, 1994
Nov–Dec 1999
2-Month
35.6°F
(2.0°C)
29.2°F
(-1.6°C)
6.4°F
(3.6°C)
121st Coolest Coolest since: 1998 1985
5th Warmest Warmest since: 1931 2001
Oct–Dec 1999
3-Month
40.7°F
(4.8°C)
36.6°F
(2.6°C)
4.1°F
(2.2°C)
118th Coolest Coolest since: 1997 1985
8th Warmest Warmest since: 1998 1931
Ties: 1965
Sep–Dec 1999
4-Month
45.9°F
(7.7°C)
43.2°F
(6.2°C)
2.7°F
(1.5°C)
112th Coolest Coolest since: 1997 1985
14th Warmest Warmest since: 1998 1931
Ties: 1922
Aug–Dec 1999
5-Month
50.7°F
(10.4°C)
48.8°F
(9.3°C)
1.9°F
(1.1°C)
107th Coolest Coolest since: 1997 1985
19th Warmest Warmest since: 1998 1931
Ties: 1956
Jul–Dec 1999
6-Month
55.0°F
(12.8°C)
53.0°F
(11.7°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1997 1985
14th Warmest Warmest since: 1998 1931
Ties: 1930
Jun–Dec 1999
7-Month
57.0°F
(13.9°C)
55.3°F
(12.9°C)
1.7°F
(1.0°C)
108th Coolest Coolest since: 1997 1985
18th Warmest Warmest since: 1998 1931
Ties: 1900, 1922, 1956
May–Dec 1999
8-Month
57.5°F
(14.2°C)
55.9°F
(13.3°C)
1.6°F
(0.9°C)
102nd Coolest Coolest since: 1997 1917
24th Warmest Warmest since: 1998 1931
Ties: 1949
Apr–Dec 1999
9-Month
56.6°F
(13.7°C)
55.0°F
(12.8°C)
1.6°F
(0.9°C)
107th Coolest Coolest since: 1997 1917
19th Warmest Warmest since: 1998 1931
Ties: 2005, 2010
Mar–Dec 1999
10-Month
54.6°F
(12.6°C)
53.0°F
(11.7°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1997 1951
21st Warmest Warmest since: 1998 2012
Ties: 1913
Feb–Dec 1999
11-Month
52.6°F
(11.4°C)
50.2°F
(10.1°C)
2.4°F
(1.3°C)
118th Coolest Coolest since: 1997 1917
8th Warmest Warmest since: 1998 2012
Ties: 1930
Jan–Dec 1999
12-Month
49.7°F
(9.8°C)
47.6°F
(8.7°C)
2.1°F
(1.1°C)
113th Coolest Coolest since: 1997 1917
13th Warmest Warmest since: 1998 2012
Jul 1998–Dec 1999
18-Month
51.9°F
(11.1°C)
49.4°F
(9.7°C)
2.5°F
(1.4°C)
120th Coolest Coolest since: 1998 1951
5th Warmest Warmest since: 1939 2012
Ties: 1939
Jan 1998–Dec 1999
24-Month
50.3°F
(10.2°C)
47.5°F
(8.6°C)
2.8°F
(1.6°C)
122nd Coolest Coolest since: 1998 1951
3rd Warmest Warmest since: 1931 1931
Jan 1997–Dec 1999
36-Month
49.2°F
(9.6°C)
47.5°F
(8.6°C)
1.7°F
(1.0°C)
113th Coolest Coolest since: 1998 1952
11th Warmest Warmest since: 1988 2017
Jan 1996–Dec 1999
48-Month
48.2°F
(9.0°C)
47.5°F
(8.6°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1998 1905
35th Warmest Warmest since: 1991 1934
Ties: 1924, 1940, 1957
Jan 1995–Dec 1999
60-Month
48.0°F
(8.9°C)
47.5°F
(8.6°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1998 1907
42nd Warmest Warmest since: 1992 1934, 2002
Ties: 1924, 1940, 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on July 16, 2020 from https://www.ncdc.noaa.gov/cag/