Colorado December Temperature by Year

This page is a list of the average statewide temperature in the month of December in Colorado 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 Colorado History?

1980 was the warmest December in Colorado history. Statewide, the average daily high temperature was 48.3 °F, and the average low was 21.4 °F.

What Was the Coldest December in Colorado History?

1909 was the coolest December in Colorado history. Statewide, the average daily high temperature was 25.8 °F, and the average low was 3.9 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	7	42.8	18.8
2022	72	38.1	13.2
2021	2	45.8	19.0
2020	48	39.6	13.9
2019	27	39.9	16.2
2018	49	39.2	14.0
2017	11	43.9	16.3
2016	78	37.6	12.8
2015	66	37.4	14.2
2014	28	39.4	16.4
2013	92	36.6	10.8
2012	63	38.4	13.5
2011	82	37.0	11.9
2010	6	42.8	19.3
2009	117	32.2	8.5
2008	76	37.4	13.2
2007	103	33.6	11.1
2006	44	38.4	15.3
2005	62	38.6	13.4
2004	25	40.9	16.0
2003	23	41.5	15.7
2002	33	39.8	15.4
2001	51	39.2	13.7
2000	70	38.2	13.2
1999	28	40.7	15.2
1998	50	39.6	13.4
1997	81	35.3	13.8
1996	41	39.5	14.9
1995	16	42.2	16.6
1994	15	41.9	17.1
1993	44	39.3	14.2
1992	106	33.5	10.7
1991	63	37.6	14.2
1990	118	33.3	7.3
1989	91	36.8	10.9
1988	74	38.6	12.3
1987	85	35.3	13.0
1986	55	38.6	14.0
1985	85	36.0	12.5
1984	38	38.8	16.0
1983	122	28.7	9.1
1982	51	38.2	14.6
1981	24	41.0	16.0
1980	1	48.3	21.4
1979	40	40.3	14.2
1978	124	30.3	6.6
1977	12	41.9	17.8
1976	44	41.4	12.2
1975	30	39.8	15.8
1974	98	35.4	10.4
1973	66	37.9	13.6
1972	121	30.7	7.6
1971	84	35.6	13.0
1970	37	40.7	14.3
1969	33	39.2	16.0
1968	96	36.1	10.6
1967	112	32.2	9.6
1966	82	36.8	12.1
1965	22	40.8	16.6
1964	80	36.8	13.4
1963	93	36.8	10.4
1962	20	42.5	15.6
1961	109	33.5	9.8
1960	85	35.9	12.5
1959	18	42.2	16.4
1958	10	42.6	17.7
1957	13	43.3	16.1
1956	58	39.2	13.2
1955	18	41.1	17.5
1954	55	39.9	12.6
1953	90	35.7	12.2
1952	93	35.2	12.1
1951	96	35.0	11.6
1950	9	43.3	17.7
1949	58	39.9	12.5
1948	74	37.4	13.4
1947	76	36.9	13.6
1946	8	43.0	18.4
1945	99	35.5	10.2
1944	78	38.2	12.2
1943	72	37.5	13.8
1942	26	40.4	15.8
1941	33	40.1	15.0
1940	38	38.9	15.8
1939	5	46.0	16.7
1938	61	38.3	14.0
1937	58	37.9	14.5
1936	44	39.2	14.4
1935	55	39.4	13.1
1934	43	39.8	14.5
1933	3	44.4	19.2
1932	128	30.0	5.0
1931	105	35.2	9.3
1930	112	34.1	7.7
1929	32	41.5	13.9
1928	108	34.7	9.1
1927	119	32.8	7.1
1926	99	34.5	11.1
1925	66	37.8	13.8
1924	126	29.9	5.7
1923	85	36.4	12.0
1922	33	39.6	15.6
1921	13	41.3	18.1
1920	93	35.8	11.4
1919	107	35.1	8.8
1918	102	33.6	11.3
1917	16	42.9	16.0
1916	116	32.7	8.3
1915	63	38.5	13.2
1914	123	30.4	7.2
1913	125	29.6	6.7
1912	111	34.4	7.5
1911	120	32.1	6.8
1910	30	40.1	15.5
1909	129	25.8	3.9
1908	104	34.0	10.6
1907	66	38.1	13.6
1906	4	43.5	19.4
1905	110	35.8	7.3
1904	51	39.8	12.9
1903	51	41.8	10.9
1902	89	36.4	11.7
1901	70	38.6	12.8
1900	41	41.5	12.9
1899	101	35.0	10.4
1898	126	30.9	4.8
1897	112	33.4	8.4
1896	21	43.1	14.5
1895	112	33.9	8.0