Cheyenne, WY: December

31 December 2025: December 2025 averaged 39°F in Cheyenne, WY, tying the record for the warmest December, set in 1933, in 153 years since 1872 (1886 excluded: 31 of 31 days missing); provisional.

December 2025

Mean temperature: 39°F; Ties the record; Warmest of 153, provisional
Precipitation: 0.21 in; Driest since 2024; 51st driest of 154

A normal December in Cheyenne, WY (1991 to 2020): a mean temperature of 29.2°F, between 25.2°F and 31.8°F in eight years of ten and 0.49 in of precipitation, between 0.13 in and 0.77 in in eight years of ten.

The mean temperature of every December in Cheyenne, WY since 1872: 39°F in 2025, tied for the highest with 1933.

Normal range, 25.2 to 31.8°F

Every year, ranked, as a table

Every December in Cheyenne, WY from 1871 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	Days missing
2025	39	1	50.5	1	27.4	2	0.21	100	0
2024	35.6	7	47.7	5	23.5	13	0.05	147	0
2023	34.4	12	44.5	17	24.4	7	0.31	81	0
2022	28.2	88	39.5	82	17	94	0.18	109	0
2021	34.3	13	46.4	9	22.2	19	0.48	58	0
2020	30.6	48	42.5	35	18.8	67	0.48	58	0
2019	31.3	40	40.7	63	22	21	0.59	39	0
2018	29.2	71	39.3	85	19.1	57	0.28	87	0
2017	29.8	60	42.3	40	17.3	89	0.57	42	0
2016	26.4	115	38.3	98	14.4	124	0.43	66	0
2015	27.5	98	38	101	17.1	91	0.85	18	0
2014	29.2	71	40.8	62	17.6	83	0.67	35	0
2013	26.2	117	36.6	119	15.7	109	0.50	55	0
2012	27.3	103	38.5	95	16.1	103	0.57	42	0
2011	26	120	38	101	14	127	0.49	56	0
2010	30.5	51	41.2	56	19.8	48	0.35	74	0
2009	20.7	147	29.7	150	11.7	139	0.69	32	0
2008	24.5	130	36.6	119	12.3	134	0.31	81	0
2007	23	137	32.2	140	13.8	129	1.01	14	0
2006	29.4	66	39.5	82	19.2	54	1.55	6	0
2005	27.6	94	38	101	17.2	90	0.28	87	0
2004	31.8	32	41.5	52	22.1	20	0.13	127	0
2003	30	56	40.3	68	19.7	50	0.76	27	0
2002	32.4	28	41.7	49	23	16	0.11	131	0
2001	29.2	71	40.2	71	18.2	75	0.13	127	0
2000	25.3	125	36.6	119	14	127	0.75	28	0
1999	32	31	42.3	40	21.7	24	0.19	106	0
1998	26.6	111	37.7	105	15.5	112	0.46	61	0
1997	28.3	85	37.4	110	19.2	54	0.59	39	0
1996	30	56	41.2	56	18.9	63	0.01	153	0
1995	30	56	41.7	49	18.3	73	0.18	109	0
1994	33.3	17	45.1	14	21.4	30	0.57	42	0
1993	30.6	48	40.5	64	20.8	32	0.30	84	0
1992	25.5	124	36	126	14.9	119	0.49	56	0
1991	31.6	36	43.8	23	19.3	53	0.13	127	0
1990	20.8	146	32.2	140	9.3	149	0.39	72	0
1989	24.2	132	36.4	122	12.1	137	0.69	32	0
1988	28.7	81	39.8	80	17.6	83	0.53	51	0
1987	25.7	123	36.2	123	15.1	115	0.85	18	0
1986	28.7	81	40.3	68	17	94	0.18	109	0
1985	26.1	119	35.1	130	17.1	91	0.80	23	0
1984	27	106	38.9	91	15	118	0.34	76	0
1983	15	153	24.6	153	5.4	153	0.46	61	0
1982	28.3	85	37.8	104	18.7	69	0.83	20	0
1981	30.7	47	41.4	54	20	43	0.45	64	0
1980	38.5	3	50.4	2	26.6	3	0.08	140	0
1979	32.8	22	44.3	20	21.4	30	1.50	7	0
1978	21	143	32.1	142	10	145	0.54	49	0
1977	29	76	40.1	72	17.9	78	0.24	97	0
1976	30.6	48	43.2	28	18	76	0.10	134	0
1975	32.5	26	43.1	29	22	21	0.52	53	0
1974	26.6	111	38.5	95	14.7	123	0.10	134	0
1973	29.3	69	38.8	92	19.9	46	1.06	12	0
1972	21	143	31.2	144	10.8	142	0.40	71	0
1971	29	76	39.3	85	18.8	67	0.07	144	0
1970	29	76	40.3	68	17.8	81	0.31	81	0
1969	31.2	41	42.4	38	20.1	40	0.21	100	0
1968	28	89	40	77	16	105	0.28	87	0
1967	22.5	138	33.7	138	11.3	140	0.46	61	0
1966	30.9	45	41.5	52	20.4	36	0.08	140	0
1965	32.1	29	44.1	21	20.1	40	0.22	98	0
1964	29.5	64	41	59	17.9	78	0.16	118	0
1963	26.9	107	38.4	97	15.4	113	0.42	67	0
1962	31.5	37	44	22	19	62	0.25	96	0
1961	23.4	136	34.3	135	12.5	133	0.09	138	0
1960	26.8	108	37.5	109	16.1	103	0.28	87	0
1959	33.1	19	45.8	11	20.4	36	0.03	148	0
1958	30.4	53	41	59	20	43	1.27	9	1
1957	35	10	46	10	24	11	0.10	134	0
1956	32.6	24	42.5	35	22.8	17	0.41	68	0
1955	31.1	42	42	45	20.3	38	0.32	80	0
1954	32.5	26	43.3	26	21.7	24	0.20	105	0
1953	27.7	93	38.8	92	16.6	101	0.26	93	0
1952	29.9	59	40.1	72	19.8	48	0.21	100	0
1951	24.4	131	35.5	128	13.3	132	0.93	16	0
1950	33.5	16	45.3	13	21.7	24	0.14	126	0
1949	27.5	98	40.1	72	14.9	119	0.26	93	0
1948	26.4	115	37	113	15.7	109	1.03	13	0
1947	29.7	62	39.9	78	19.5	52	0.52	53	0
1946	34.5	11	44.6	16	24.4	7	0.19	106	0
1945	25.8	122	36.8	116	14.8	122	0.29	85	0
1944	27.3	103	40.4	65	14.2	125	0.55	47	0
1943	29.7	62	41.8	48	17.6	83	0.18	109	0
1942	31.7	34	43.1	29	20.2	39	0.22	98	0
1941	30.4	53	42.6	33	17.9	78	0.72	29	1
1940	31.5	37	42.4	38	20.5	34	0.28	87	0
1939	35.1	9	47.6	6	22.5	18	0.26	93	0
1938	27.4	101	38.2	99	16.7	98	0.97	15	0
1937	26.6	111	37.4	110	15.9	107	1.68	4	0
1936	30.5	51	42.1	43	18.9	63	0.41	68	0
1935	29.4	66	42.2	42	16.7	98	0.07	144	0
1934	31	43	42	45	20	43	0.15	124	0
1933	39	1	50	3	28	1	0.54	49	0
1932	18.6	152	28.2	152	9.2	150	0.82	21	1
1931	32.6	24	44.5	17	20.7	33	0.17	115	0
1930	28.9	79	39.8	80	18	76	0.12	130	0
1929	33.3	17	43.4	25	23.2	14	0.11	131	0
1928	26.8	108	37.3	112	16.3	102	0.17	115	0
1927	21.4	141	33.1	139	9.7	147	0.47	60	0
1926	26.6	111	36.2	123	17	94	0.77	26	0
1925	27.8	92	37	113	18.6	70	1.74	3	0
1924	21.3	142	30.8	148	11.8	138	0.78	25	0
1923	27.4	101	39.5	82	15.3	114	0.28	87	0
1922	29.5	64	39.1	89	19.9	46	0.44	65	0
1921	30.3	55	40.9	61	19.6	51	1.31	8	0
1920	27.9	91	36.9	115	18.9	63	0.57	42	0
1919	28	89	39	90	17.1	91	1.10	11	0
1918	26.7	110	34.3	135	19.1	57	0.58	41	0
1917	31.4	39	42.9	31	19.1	57	0.81	22	1
1916	21	143	31	145	11	141	0.34	76	0
1915	28.8	80	40.1	72	17.5	86	0.41	68	0
1914	20.1	148	30.4	149	9.9	146	0.16	118	0
1913	22	140	31.8	143	12.3	134	2.00	1	0
1912	25.3	125	35.5	128	15.1	115	0.63	38	0
1911	24	133	34.6	133	13.5	131	0.29	85	0
1910	31.8	32	42.1	43	21.5	29	0.69	32	0
1909	19.3	150	28.9	151	9.6	148	0.66	37	0
1908	28.6	83	38.2	99	19.1	57	0.70	30	0
1907	29.1	74	39.9	78	18.4	72	0.55	47	0
1906	35.6	7	45.5	12	25.6	5	0.15	124	0
1905	27.6	94	40.1	72	15.1	115	0.02	152	0
1904	31	43	41.9	47	20.1	40	0.06	146	0
1903	32.1	29	42.5	35	21.7	24	0.09	138	0
1902	28.6	83	38.6	94	18.6	70	1.79	2	0
1901	26.2	117	35.7	127	16.7	98	1.62	5	0
1900	31.7	34	42.9	31	20.5	34	0.33	78	0
1899	29.4	66	41.3	55	17.5	86	0.18	109	0
1898	23.6	134	34.9	132	12.2	136	0.36	73	0
1897	25	129	35	131	14.9	119	1.27	9	0
1896	36.4	5	48.4	4	24.4	7	0.03	148	0
1895	27.3	103	36.7	117	17.8	81	0.18	109	0
1894	27.6	94	37.6	107	17.5	86	0.70	30	0
1893	32.8	22	41.7	49	23.8	12	0.53	51	0
1892	25.1	128	34.6	133	15.7	109	0.89	17	0
1891	28.3	85	37.7	105	18.9	63	0.56	46	0
1890	36.1	6	47	8	25.2	6	0.11	131	0
1889	36.5	4	47.1	7	25.9	4	0.16	118	0
1888	34	14	44.8	15	23.2	14	0.21	100	0
1887	25.9	121	37.6	107	14.1	126	0.35	74	0
1885	33	20	44.4	19	21.7	24	0.16	118	0
1884	18.7	151	31	145	6.5	152	0.67	35	0
1883	29.3	69	40.4	65	18.3	73	0.80	23	0
1882	29.8	60	40.4	65	19.2	54	0.10	134	0
1881	32.9	21	43.8	23	22	21	0.01	153	0
1880	27.6	94	39.2	87	16	105	0.08	140	0
1879	25.2	127	36.7	117	13.7	130	0.17	115	0
1878	19.4	149	30.9	147	7.9	151	0.19	106	0
1877	30.9	45	42.6	33	19.1	57	0.33	78	0
1876	22.5	138	34.3	135	10.7	143	0.21	100	0
1875	33.7	15	43.3	26	24.1	10	0.03	148	0
1874	29.1	74	41.2	56	17	94	0.16	118	0
1873	27.5	98	39.2	87	15.8	108	0.08	140	0
1872	23.5	135	36.2	123	10.7	143	0.03	148	0
1871							0.16	118	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2025	39
1933	39
1980	38.5
1889	36.5
1896	36.4
1890	36.1
2024	35.6
1906	35.6
1939	35.1
1957	35

Coldest
Year	Mean, °F
1983	15
1932	18.6
1884	18.7
1909	19.3
1878	19.4
1914	20.1
2009	20.7
1990	20.8
1978	21
1972	21
More years share the last value

Wettest
Year	Precipitation, in
1913	2.00
1902	1.79
1925	1.74
1937	1.68
1901	1.62
2006	1.55
1979	1.50
1921	1.31
1958	1.27
1897	1.27

Driest
Year	Precipitation, in
1996	0.01
1881	0.01
1905	0.02
1959	0.03
1896	0.03
1875	0.03
1872	0.03
2024	0.05
1904	0.06
1971	0.07
More years share the last value

The hottest, coldest and wettest days

Hottest day: 65°F; 22 December 2025, 14 December 2025
Coldest night: 6°F; 4 December 2025, 1 December 2025
Wettest day: 0.11 in; 3 December 2025

Every month, season and year

Months

Seasons

Years

Cheyenne, WY the day's answers

All-time records

Every answer in words

December 2025 brought 0.21 in of precipitation in Cheyenne, WY, the driest December since 2024, tied 51st driest of 154 (with 1969, 1952, 1888 and 1 other year).
The hottest day of December 2025 in Cheyenne, WY: 65°F on Monday 22 December 2025 and Sunday 14 December 2025.
The coldest night of December 2025 in Cheyenne, WY: a low of 6°F on Thursday 4 December 2025 and Monday 1 December 2025.
The wettest day of December 2025 in Cheyenne, WY: 0.11 in on Wednesday 3 December 2025.