Ukiah, CA: December

31 December 2025: December 2025 averaged 50.6°F in Ukiah, CA, the warmest December since 2024, 5th warmest of 131.

December 2025

Mean temperature: 50.6°F; Warmest since 2024; 5th warmest of 131
Precipitation: 9.81 in; Wettest since 2022; 36th wettest of 129

A normal December in Ukiah, CA (1991 to 2020): a mean temperature of 46.3°F, between 44°F and 48.5°F in eight years of ten and 5.98 in of precipitation, between 1.18 in and 15.42 in in eight years of ten.

The mean temperature of every December in Ukiah, CA since 1893: 50.6°F in 2025; the highest is 51.4°F, in 2014.

Normal range, 44 to 48.5°F

Every year, ranked, as a table

Every December in Ukiah, CA from 1893 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	50.6	5	61.6	8	39.6	19	9.81	36	0
2024	51.2	2	60.9	11	41.6	7	8.88	41	0
2023	50.3	8	59.6	25	41	12	7.86	47	0
2022	46.4	63	54.9	92	38	32	9.98	33	0
2021	46	74	54	104	38	32	6.25	63	0
2020	47.5	40	60.9	11	34.2	89	2.89	104	0
2019	48.9	18	56	74	41.7	6	5.96	66	0
2018	47.6	38	57.4	56	37.8	34	3.61	92	0
2017	46.2	70	60.5	17	31.9	118	0.15	128	0
2016	44.2	103	54.8	93	33.5	97	7.54	48	0
2015	45.4	83	53.4	111	37.4	40	9.84	34	0
2014	51.4	1	57.9	45	44.8	1	12.10	23	0
2013	43.9	112	60.8	14	26.9	132	0.49	126	0
2012	45.5	81	54.1	103	36.9	45	12.78	21	0
2011	45	87	60.3	20	29.6	129	0.43	127	0
2010	48.2	29	54.3	101	42.2	5	9.20	39	0
2009	44.1	104	53.9	106	34.3	88	3.33	100	0
2008	43.4	117	53.6	108	33.3	99	3.37	98	0
2007	43.3	118	52.8	116	33.8	91	6.65	58	0
2006	46.5	61	57.6	52	35.5	71	6.00	65	1
2005	48	33	56.5	67	39.6	19	19.25	4	0
2004	46.9	49	57.7	51	36.1	61	10.79	26	0
2003	46.7	56	54	104	39.4	23	12.36	22	0
2002	48.1	31	56.6	65	39.6	19	20.03	3	0
2001	47	46	53.6	108	40.4	16	10.22	30	0
2000	46.9	49	58.8	36	34.9	81	1.61	118	0
1999	46.3	67	59.1	31	33.6	94	1.30	119	0
1998	44	108	54.2	102	33.7	93	1.26	120	1
1997	46.2	70	56.7	64	35.7	66	4.31	85	0
1996	48.5	22	55.5	81	41.4	9	16.92	5	0
1995	50	9	57.3	58	42.6	4	15.25	10	1
1994	44	108	51.6	127	36.3	58	4.81	81	2
1993	44.6	93	54.5	97	34.6	85	4.91	79	0
1992	44.6	93	53.7	107	35.2	75	14.24	11	2
1991	46	74	57.2	60	34.8	82	3.46	94	1
1990	40.6	131	52.2	120	29	130	1.98	113	0
1989	46.7	56	60.5	17	33	103	0.00	129	1
1988	46.4	63	57.5	53	35.3	72			0
1987	44.7	91	52.1	123	37.6	37	10.78	27	1
1986	46.9	49	56.3	69	37.5	39	3.27	101	0
1985	46.8	55	57.9	45	35.6	67	3.74	90	0
1984	44.3	102	53.1	112	35.6	67	2.14	111	0
1983	49.2	15	55.4	85	43	2	13.96	14	0
1982	46.6	59	56.6	65	36.6	51	8.40	43	1
1981	50.4	6	58.2	39	42.7	3	10.32	29	0
1980	50	9	62.8	4	37.3	42	5.07	77	0
1979	48.6	21	60.5	17	36.7	49	6.81	57	0
1978	45	87	58	43	32.1	117	0.67	124	0
1977	49.2	15	58.2	39	40.2	17	9.84	34	0
1976	47.2	44	64.3	3	30.1	127	0.58	125	0
1975	48.2	29	61.4	10	35.1	77	2.07	112	0
1974	46.9	49	57.8	48	36	64	5.17	76	0
1973	48.4	24	55.8	75	40.9	13	6.89	55	0
1972	42.2	126	50.8	130	33.5	97	7.04	53	0
1971	42.3	125	52.1	123	32.6	109	7.06	52	0
1970	44.5	96	52.2	120	36.9	45	11.49	25	0
1969	49.8	11	59	33	40.6	15	12.85	20	0
1968	44	108	52.2	120	35.9	65	15.69	8	0
1967	45.1	86	58	43	32.3	115	5.90	67	0
1966	48.4	24	58.1	41	38.7	28	6.61	59	0
1965	43.7	113	54.4	99	33.1	102	6.34	62	0
1964	47.9	35	54.7	94	41.1	11	21.05	1	0
1963	47.5	40	59.5	26	35.6	67	1.68	117	0
1962	49.1	17	60.9	11	37.3	42	5.25	75	0
1961	46.3	67	57.5	53	35	78	3.45	95	0
1960	48.5	22	60.7	15	36.2	60	7.41	50	0
1959	46.5	61	60.6	16	32.4	114	0.96	122	0
1958	50.4	6	65.6	1	35.2	75	2.60	107	0
1957	47	46	57.2	60	36.8	47	6.18	64	0
1956	46.1	73	61.6	8	30.5	124	0.71	123	0
1955	48.3	27	55.3	87	41.4	9	20.38	2	0
1954	45.5	81	56.4	68	35	78	7.31	51	1
1953	48.4	24	60.3	20	36.5	54	2.26	110	0
1952	47.6	38	54.6	96	40.7	14	16.17	6	0
1951	45.6	80	55	90	36.1	61	13.61	17	0
1950	50.7	4	59.8	24	41.5	8	8.55	42	0
1949	45.4	83	58.9	34	31.8	119	2.49	108	0
1948	42.2	126	51.5	128	33	103	6.47	61	3
1947	46.4	63	59.2	28	33.6	94	1.79	115	0
1946	47.7	37	57.9	45	37.4	40	3.40	97	0
1945	46.9	49	55.3	87	38.5	29	14.23	12	0
1944	48.3	27	58.9	34	37.7	35	6.56	60	0
1943	46.7	56	59.2	28	34.5	86	3.35	99	2
1942	46.9	49	56.2	71	37.6	37	8.89	40	0
1941	47.8	36	55.5	81	40.1	18	15.75	7	0
1940	49.5	12	60	22	39.1	24	13.03	19	0
1939	48.9	18	59.1	31	38.8	26	6.84	56	0
1938	49.4	13	62.4	6	36.5	54	3.83	87	1
1937	48.1	31	60	22	36.1	61	9.60	37	0
1936	45	87	57.4	56	32.6	109	3.19	103	0
1935	46.4	63	57.5	53	35.3	72	4.42	84	0
1934	46.3	67	57.8	48	34.8	82	3.78	88	0
1933	48	33	56.9	63	39	25	9.22	38	0
1932	43.2	119	54.7	94	31.7	120	4.88	80	0
1931	44.4	99	52	126	36.8	47	13.16	18	0
1930	44.7	91	59.2	28	30.3	125	1.21	121	0
1929	51.1	3	62.7	5	39.5	22	14.11	13	0
1928	43.7	113	55.1	89	32.3	115	5.66	71	0
1927	44	108	55.4	85	32.5	112	5.62	73	0
1926	44.6	93	55.7	76	33.6	94	4.69	82	0
1925	49.4	13	64.9	2	33.8	91	2.77	105	0
1924	44.4	99	55.5	81	33.3	99			0
1923	43.1	121	55	90	31.3	121	1.79	115	0
1922	44.4	99	52.5	118	36.4	56	10.12	32	0
1921	45.9	79	57.3	58	34.5	86	5.77	69	0
1920	44.8	90	53	113	36.6	51	13.64	15	0
1919	43.6	115	54.5	97	32.6	109	5.83	68	0
1918	41	129	53.5	110	28.5	131	3.54	93	0
1917	48.7	20	61.7	7	35.6	67	3.23	102	0
1916	41.4	128	52.1	123	30.7	123	7.92	46	0
1915	46.6	59	56.1	73	37.2	44	8.15	45	0
1914	41	129	49.3	132	32.7	106	7.43	49	1
1913	44.1	104	51.5	128	36.6	51	13.63	16	0
1912	44.5	96	56.3	69	32.8	105	5.45	74	0
1911	43.6	115	57	62	30.3	125	3.75	89	0
1910	47.5	40	58.1	41	36.7	49	1.90	114	1
1909	42.7	124	52.8	116	32.7	106	5.65	72	1
1908	42.8	122	53	113	32.5	112	4.13	86	0
1907	46	74	54.4	99	37.7	35	12.04	24	0
1906	47.1	45	55.7	76	38.5	29	10.14	31	0
1905	43.2	119	55.6	78	30.8	122	3.41	96	0
1904	45.3	85	55.6	78	35	78	8.31	44	1
1903	46	74	58.6	38	34	90	4.55	83	2
1902			53	113	36.3	58	5.71	70	5
1901	44.5	96	59.4	27	29.9	128	2.76	106	1
1900	47	46	58.7	37	35.3	72			1
1899	46.2	70	57.8	48	34.7	84	6.94	54	0
1898							2.41	109	8
1897	44.1	104	55.5	81	32.7	106			0
1896	47.5	40	56.2	71	38.8	26	10.60	28	0
1895	42.8	122	52.3	119	33.3	99	4.98	78	0
1894	44.1	104	50.1	131	38.2	31	15.47	9	0
1893	46	74	55.6	78	36.4	56	3.65	91	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2014	51.4
2024	51.2
1929	51.1
1950	50.7
2025	50.6
1981	50.4
1958	50.4
2023	50.3
1995	50
1980	50

Coldest
Year	Mean, °F
1990	40.6
1918	41
1914	41
1916	41.4
1972	42.2
1948	42.2
1971	42.3
1909	42.7
1908	42.8
1895	42.8

Wettest
Year	Precipitation, in
1964	21.05
1955	20.38
2002	20.03
2005	19.25
1996	16.92
1952	16.17
1941	15.75
1968	15.69
1894	15.47
1995	15.25

Driest
Year	Precipitation, in
1989	0.00
2017	0.15
2011	0.43
2013	0.49
1976	0.58
1978	0.67
1956	0.71
1959	0.96
1930	1.21
1998	1.26

The hottest, coldest and wettest days

Hottest day: 73°F; 11 December 2025
Coldest night: 30°F; 29 December 2025, 14 December 2025, 13 December 2025
Wettest day: 2.80 in; 21 December 2025

Every month, season and year

Months

Seasons

Years

Ukiah, CA the day's answers

All-time records

Every answer in words

December 2025 brought 9.81 in of precipitation in Ukiah, CA, the wettest December since 2022, 36th wettest of 129.
The hottest day of December 2025 in Ukiah, CA: 73°F on Thursday 11 December 2025.
The coldest night of December 2025 in Ukiah, CA: a low of 30°F on Monday 29 December 2025, Sunday 14 December 2025 and Saturday 13 December 2025.
The wettest day of December 2025 in Ukiah, CA: 2.80 in on Sunday 21 December 2025.