Iowa December Temperature by Year

This page is a list of the average statewide temperature in the month of December in Iowa for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Hottest December in Iowa History?

2023 was the warmest December in Iowa history. Statewide, the average daily high temperature was 42.6 °F, and the average low was 26.8 °F.

What Was the Coldest December in Iowa History?

1983 was the coolest December in Iowa history. Statewide, the average daily high temperature was 15.3 °F, and the average low was -0.1 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	1	42.6	26.8
2022	82	29.4	13.2
2021	4	41.9	21.9
2020	30	36.7	17.7
2019	16	38.1	20.2
2018	25	35.5	20.5
2017	62	33.7	15.1
2016	74	30.4	15.3
2015	2	39.5	26.6
2014	22	34.1	22.3
2013	112	26.8	8.1
2012	26	36.6	18.7
2011	17	37.8	20.4
2010	100	26.9	11.2
2009	92	27.5	12.2
2008	110	27.6	7.6
2007	87	27.6	13.0
2006	8	40.1	22.1
2005	97	26.4	12.7
2004	38	36.1	17.0
2003	22	35.7	20.6
2002	20	39.1	18.7
2001	10	39.7	21.8
2000	128	18.6	1.4
1999	33	37.0	17.0
1998	14	39.5	19.2
1997	28	33.3	21.6
1996	95	27.1	12.2
1995	67	31.3	16.5
1994	33	34.7	19.3
1993	49	33.4	17.7
1992	66	31.5	16.4
1991	31	35.0	19.2
1990	92	29.0	10.6
1989	121	23.5	4.0
1988	51	35.5	15.3
1987	24	34.6	21.5
1986	45	33.0	19.1
1985	127	21.8	0.9
1984	47	35.6	15.8
1983	129	15.3	-0.1
1982	21	36.7	20.7
1981	78	29.7	13.4
1980	65	32.9	15.4
1979	19	39.0	19.0
1978	98	27.6	10.9
1977	94	27.5	11.9
1976	110	29.6	5.6
1975	44	33.9	18.4
1974	51	32.9	17.8
1973	89	27.8	12.4
1972	114	25.2	8.9
1971	48	32.7	18.5
1970	70	32.8	13.9
1969	81	29.3	13.7
1968	85	29.0	12.5
1967	46	34.3	17.6
1966	75	31.6	14.0
1965	6	40.5	23.1
1964	88	28.9	11.5
1963	126	22.6	3.6
1962	72	32.7	13.6
1961	108	26.6	9.8
1960	76	32.1	12.6
1959	7	38.3	24.1
1958	98	29.7	8.9
1957	15	38.3	20.3
1956	39	35.5	17.2
1955	105	28.0	8.9
1954	43	33.9	18.4
1953	37	36.4	17.0
1952	62	31.4	17.5
1951	103	27.5	9.6
1950	116	26.4	7.5
1949	51	35.7	15.1
1948	68	32.6	14.7
1947	58	33.4	16.1
1946	28	37.8	17.1
1945	118	23.7	8.6
1944	102	26.7	10.6
1943	62	34.8	14.0
1942	106	26.3	10.4
1941	13	38.6	22.1
1940	39	33.7	19.1
1939	10	40.9	20.4
1938	61	33.4	15.7
1937	84	28.9	12.8
1936	36	35.7	17.9
1935	86	28.3	12.9
1934	95	27.6	11.8
1933	56	35.3	15.1
1932	89	29.2	11.0
1931	3	38.9	25.5
1930	57	32.7	17.0
1929	73	31.4	14.6
1928	33	35.6	18.4
1927	114	27.3	6.7
1926	89	28.6	11.5
1925	101	27.9	10.0
1924	122	22.6	4.5
1923	4	41.2	22.5
1922	77	32.7	11.8
1921	39	36.3	16.4
1920	58	32.5	16.8
1919	124	21.6	5.0
1918	9	38.6	23.2
1917	124	22.2	4.4
1916	113	28.2	6.5
1915	70	31.3	15.3
1914	120	22.9	5.6
1913	12	38.9	22.0
1912	27	38.5	16.8
1911	42	34.3	18.4
1910	78	30.9	12.2
1909	123	20.8	5.9
1908	49	35.0	16.1
1907	31	35.5	18.7
1906	58	32.9	16.5
1905	51	35.4	15.4
1904	78	31.5	11.6
1903	109	28.8	7.3
1902	106	26.6	10.4
1901	103	26.8	10.5
1900	51	34.0	16.8
1899	83	30.0	11.9
1898	117	26.1	7.4
1897	119	24.8	7.3
1896	17	36.9	21.4
1895	68	32.0	15.2