Denver, CO: December

31 December 2025: December 2025 averaged 42.3°F in Denver, CO, the warmest December since 1933, 2nd warmest of 154.

December 2025

Mean temperature: 42.3°F; Warmest since 1933; 2nd warmest of 154
Precipitation: 0.33 in; Driest since 2024; 63rd driest of 153

A normal December in Denver, CO (1991 to 2020): a mean temperature of 31.7°F, between 26.6°F and 34.1°F in eight years of ten and 0.30 in of precipitation, between 0.05 in and 0.72 in in eight years of ten.

The mean temperature of every December in Denver, CO since 1872: 42.3°F in 2025; the highest is 43.8°F, in 1933.

Normal range, 26.6 to 34.1°F

Every year, ranked, as a table

Every December in Denver, CO from 1872 to 2025, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2025	42.3	2	57.5	1	27.2	7	0.33	90
2024	39.4	10	53.7	6	25.1	19	0.04	144
2023	37.4	18	50.5	16	24.3	24	0.12	131
2022	29.3	115	44.6	84	14	130	1.18	13
2021	38.4	14	54.1	4	22.7	43	0.16	124
2020	33.1	69	45.5	74	20.7	70	0.57	65
2019	33.7	60	45.3	76	22.1	49	0.30	98
2018	32.5	78	46.1	66	18.8	92	0.03	147
2017	33.2	66	48.3	38	18	103	0.21	117
2016	27.8	127	42.7	109	12.9	140	0.78	34
2015	29.4	113	40.9	124	17.9	106	0.71	41
2014	31.3	97	44.1	90	18.5	98	0.59	62
2013	28.4	120	42.9	105	14	130
2012	31.5	92	44.2	87	18.8	92	0.27	105
2011	26.6	134	38.5	137	14.8	124	0.78	34
2010	34.3	53	48.9	32	19.6	85	0.22	116
2009	24.1	148	36.4	146	11.9	149	0.45	73
2008	26.6	134	41	123	12.3	143	0.24	112
2007	26.7	132	38.2	139	15.1	122	0.60	61
2006	31.7	89	42	114	21.4	55	1.21	12
2005	30.1	110	43.1	101	17.2	110	0.35	86
2004	34.8	49	48.3	38	21.4	55	0.04	144
2003	32.5	78	46.5	55	18.5	98	0.12	131
2002	33.6	63	46.6	53	20.6	72	0.05	142
2001	31.7	89	43.5	97	19.9	81	0.14	129
2000	28.2	124	41.9	115	14.6	127	0.27	105
1999	33.7	60	45.3	76	22.2	45	0.29	102
1998	28.9	117	42.6	110	15.1	122	0.42	78
1997	27.9	126	36.7	145	19.1	88	0.50	69
1996	33	72	47	49	18.9	90	0.06	139
1995	33.1	69	46.2	65	19.9	81	0.05	142
1994	36	28	49.7	20	22.2	45	0.30	98
1993	34.1	54	47.2	47	21.1	60	0.42	78
1992	25.4	143	38.8	136	12	147	0.68	47
1991	33.1	69	45.6	73	20.6	72	0.19	119
1990	25.7	141	39.5	133	11.9	149	0.27	105
1989	27.3	131	40.9	124	13.6	135	0.81	33
1988	31.1	101	45.5	74	16.6	115	1.04	19
1987	28.4	120	39.9	131	16.9	112	1.30	11
1986	31	102	43.5	97	18.5	98	0.31	95
1985	29.4	113	41.6	117	17.2	110	0.66	49
1984	32.8	76	45.7	71	19.9	81	0.46	72
1983	17.4	154	28.2	154	6.7	154	0.63	52
1982	30.9	104	43.1	101	18.7	94	2.34	3
1981	35.8	31	48.7	33	22.8	41	0.66	49
1980	41.2	3	55	3	27.4	6	0.10	133
1979	34.5	52	47.6	43	21.4	55	1.06	16
1978	24.6	146	36.9	143	12.3	143	0.82	31
1977	35	44	49.1	29	21	63	0.03	147
1976	35.4	37	50.9	15	20	80	0.16	124
1975	37.5	17	50.5	16	24.5	23	0.47	71
1974	31.2	99	43.7	94	18.6	95	0.29	102
1973	31.5	92	45	81	18.1	102	2.84	2
1972	24.9	144	37.8	141	12	147	0.70	44
1971	31.9	86	46.4	58	17.3	109	0.25	111
1970	33.3	65	49.7	20	16.8	113	0.09	136
1969	32.5	78	46.4	58	18.6	95	0.32	92
1968	28.9	117	44.2	87	13.6	135	0.51	67
1967	26.5	136	40.5	128	12.5	142	1.06	16
1966	31.8	88	45.7	71	18	103	0.17	121
1965	35	44	49.4	26	20.6	72	0.53	66
1964	33.2	66	46.1	66	20.3	76	0.40	82
1963	28.5	119	43.9	93	13.1	138	0.51	67
1962	33.7	60	49	30	18.5	98	0.17	121
1961	27.7	128	40.6	127	14.7	126	0.30	98
1960	26.5	136	38.9	135	14.1	129	1.50	7
1959	36.5	22	49.6	22	23.4	35	0.26	109
1958	35.8	31	48.1	40	23.5	32	0.64	51
1957	39.5	8	54	5	25.1	19	0.06	139
1956	35.7	34	48	41	23.4	35	0.62	57
1955	35.4	37	48.6	35	22.2	45	0.15	127
1954	34.6	51	49	30	20.3	76	0.71	41
1953	31.4	95	44.2	87	18.6	95	1.02	22
1952	32.5	78	44.5	85	20.6	72	0.19	119
1951	29	116	41.1	120	16.8	113	0.69	45
1950	36.3	26	50.5	16	22.1	49	0.32	92
1949	35.2	41	47.6	43	22.8	41	0.24	112
1948	32.4	82	43.4	99	21.4	55	0.40	82
1947	35.9	30	46.1	66	25.8	12	0.16	124
1946	39.6	7	51	14	28.2	5	0.09	136
1945	32.4	82	42.9	105	21.9	52	0.10	133
1944	32.6	77	44.5	85	20.7	70	0.15	127
1943	35	44	45	81	25	21	0.40	82
1942	37	21	48.5	36	25.6	14	0.35	86
1941	35	44	46.3	63	23.7	28	1.03	21
1940	35.6	35	45.9	70	25.2	16	0.31	95
1939	40.9	4	52.9	8	28.8	3	0.26	109
1938	33.9	56	44.1	90	23.7	28	0.62	57
1937	33.8	57	45.1	78	22.5	44	0.84	30
1936	36.5	22	47.5	45	25.5	15	0.37	85
1935	34.9	48	46.5	55	23.2	37	0.21	117
1934	36	28	47.9	42	24.2	25	0.67	48
1933	43.8	1	55.4	2	32.1	1	0.82	31
1932	23.7	149	34.2	151	13.1	138	0.49	70
1931	35.8	31	46.4	58	25.2	16	0.03	147
1930	32.2	84	43.6	96	20.8	68	0.62	57
1929	37.1	20	48.5	36	25.7	13	0.32	92
1928	31.3	97	42.9	105	19.6	85	0.06	139
1927	25.9	139	38.1	140	13.7	133	0.23	114
1926	29.8	112	40.7	126	18.9	90	1.04	19
1925	32.1	85	42.8	108	21.3	59	0.93	25
1924	25.5	142	36.3	147	14.8	124	1.42	8
1923	30.5	105	41.8	116	19.2	87	0.95	24
1922	35.1	42	46.7	51	23.5	32	0.63	52
1921	35.4	37	47.2	47	23.7	28	0.85	29
1920	31.5	92	42.1	113	20.9	67	0.45	73
1919	33	72	45.1	78	20.8	68	0.44	77
1918	30.5	105	40.1	129	21	63	1.40	9
1917	38	16	52.8	9	23.1	40	0.27	105
1916	26.5	136	38.5	137	14.5	128	1.09	14
1915	33	72	46	69	19.9	81	0.63	52
1914	24.3	147	35.4	150	13.3	137	0.72	39
1913	23.1	150	34.1	152	12.1	146	5.21	1
1912	30.5	105	43	104	18	103	0.45	73
1911	27.4	130	39.7	132	15.2	120	0.34	89
1910	35.1	42	46.5	55	23.7	28	0.71	41
1909	21.2	153	32.8	153	9.6	152	0.88	27
1908	31.4	95	43.7	94	19	89	0.63	52
1907	33.8	57	46.6	53	21	63	0.45	73
1906	39.7	6	52.5	10	26.9	9	0.01	150
1905	31.9	86	46.3	63	17.5	107	trace	152
1904	34.7	50	47.3	46	22	51	0.41	81
1903	36.4	25	49.5	25	23.2	37	0.23	114
1902	33.2	66	45	81	21.5	54	0.59	62
1901	33.8	57	46.7	51	21	63	0.89	26
1900	36.2	27	49.3	27	23.2	37	0.42	78
1899	30.3	108	43.1	101	17.5	107	0.72	39
1898	25.8	140	39.3	134	12.2	145	0.99	23
1897	28.3	122	41.1	120	15.5	119	0.63	52
1896	38.8	12	51.6	12	26	11	0.31	95
1895	34.1	54	46.4	58	21.8	53	0.01	150
1894	31.7	89	43.3	100	20.1	78	0.69	45
1893	38.2	15	49.2	28	27.1	8	0.35	86
1892	26.7	132	37.3	142	16.1	117	1.32	10
1891	31.2	99	41.3	118	21.1	60	1.56	6
1890	39.2	11	53.3	7	25.2	16	0.04	144
1889	40.5	5	52.5	10	28.5	4	0.30	98
1888	37.3	19	50.5	16	24	27	0.09	136
1887	30.3	108	44	92	16.6	115	0.14	129
1886	35.4	37	49.6	22	21.1	60	0.87	28
1885	36.5	22	48.7	33	24.2	25	1.08	15
1884	24.8	145	36.8	144	12.7	141	0.76	37
1883	33	72	42.5	111	23.5	32	2.32	4
1882	35.5	36	46.4	58	24.7	22	0.73	38
1881	39.5	8	49.6	22	29.3	2	0.00	153
1880	30.1	110	40.1	129	20.1	78	0.10	133
1879	28	125	42.3	112	13.7	133	0.33	90
1878	22.1	152	36.1	148	8.1	153	1.05	18
1877	33.6	63	45.1	78	22.2	45	0.77	36
1876	27.6	129	41.3	118	13.9	132	1.70	5
1875	38.8	12	51.3	13	26.4	10	0.59	62
1874	31	102	46.8	50	15.2	120	0.17	121
1873	22.7	151	35.7	149	9.7	151	0.61	60
1872	28.3	122	41.1	120	15.6	118	0.29	102

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1933	43.8
2025	42.3
1980	41.2
1939	40.9
1889	40.5
1906	39.7
1946	39.6
1957	39.5
1881	39.5
2024	39.4

Coldest
Year	Mean, °F
1983	17.4
1909	21.2
1878	22.1
1873	22.7
1913	23.1
1932	23.7
2009	24.1
1914	24.3
1978	24.6
1884	24.8

Wettest
Year	Precipitation, in
1913	5.21
1973	2.84
1982	2.34
1883	2.32
1876	1.70
1891	1.56
1960	1.50
1924	1.42
1918	1.40
1892	1.32

Driest
Year	Precipitation, in
1881	0.00
1905	trace
1906	0.01
1895	0.01
2018	0.03
1977	0.03
1931	0.03
2024	0.04
2004	0.04
1890	0.04

The hottest, coldest and wettest days

Hottest day: 76°F; 22 December 2025
Coldest night: 8°F; 29 December 2025
Wettest day: 0.26 in; 3 December 2025

Every month, season and year

Months

Seasons

Years

Denver, CO the day's answers

All-time records

Every answer in words

December 2025 brought 0.33 in of precipitation in Denver, CO, the driest December since 2024, tied 63rd driest of 153 (with 1879).
The hottest day of December 2025 in Denver, CO: 76°F on Monday 22 December 2025.
The coldest night of December 2025 in Denver, CO: a low of 8°F on Monday 29 December 2025.
The wettest day of December 2025 in Denver, CO: 0.26 in on Wednesday 3 December 2025.