San Jose, CA: December

31 December 2025: December 2025 averaged 52.7°F in San Jose, CA, the warmest December since 2024, tied 17th warmest of 126 (with 1939).

December 2025

Mean temperature: 52.7°F; Warmest since 2024; 17th warmest of 126
Precipitation: 1.28 in; Driest since 2020; 36th driest of 131

A normal December in San Jose, CA (1991 to 2020): a mean temperature of 50.6°F, between 48.1°F and 53.5°F in eight years of ten and 2.01 in of precipitation, between 0.26 in and 4.64 in in eight years of ten.

The mean temperature of every December in San Jose, CA since 1893: 52.7°F in 2025; the highest is 56.1°F, in 2024.

Normal range, 48.1 to 53.5°F

Every year, ranked, as a table

Every December in San Jose, 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	52.7	17	60.5	23	45	17	1.28	94	0
2024	56.1	1	65.5	2	46.6	8	2.33	54	0
2023	55.6	3	64.8	3	46.4	10	2.76	45	0
2022	50	56	58.4	67	42.1	41	4.70	12	2
2021	50.1	52	57.6	81	42.6	34	4.35	19	0
2020	51.1	35	62.2	9	40.1	71	0.84	106	0
2019	53.3	13	60.1	34	46.4	10	2.02	66	0
2018	51.9	25	60	36	43.9	27	1.53	83	1
2017	51.8	27	63.9	4	39.7	78	0.07	130	0
2016	50.4	47	59.1	49	41.7	47	1.51	85	0
2015	49.9	57	58.4	67	41.5	54	2.23	58	0
2014	54.4	4	60.9	21	47.8	3	7.74	2	0
2013	47.8	98	60.3	29	35.4	121	0.13	128	0
2012	50.6	41	58	76	43.2	29	4.24	20	0
2011	49.3	67	60.4	25	38.3	95	0.08	129	0
2010	53.4	11	60	36	46.7	7	3.05	38	0
2009	49.3	67	57.5	82	41.2	56	2.16	60	0
2008	48.1	93	56.9	92	39.4	84	1.53	83	0
2007	49	77	57.4	86	40.6	63	1.29	92	0
2006	50.5	46	60.3	29	40.6	63	1.54	80	0
2005	53.5	9	61.6	14	45.4	13	3.03	40	0
2004	51	36	60	36	42	43	3.11	36	0
2003	51.7	28	58.9	55	44.4	23	3.69	26	0
2002	52.3	19	59.5	44	45.1	16	6.37	5	0
2001	51	36	57.8	78	44.2	25	2.96	42	0
2000	51	36	60.4	25	41.6	51	0.27	125	0
1999	50.1	52	61.4	15	38.9	89	0.45	119	0
1998	45.9	114	56	107	35.9	117	0.27	125	0
1997	50.4	47	58.5	63	42.1	41	1.85	74	1
1996	53.9	7	60.7	22	47.1	4	4.63	15	0
1995	54	6	61.1	18	46.9	5	4.71	11	1
1994	47.2	107	55	114	39.9	75	1.76	77	3
1993	49.4	63	58.5	63	40.1	71	1.99	71	3
1992	48.3	89	56.1	105	40.5	67	4.51	17	0
1991	49.8	60	59	53	40.6	63	2.43	51	0
1990	43.9	126	53.8	122	34	125	2.03	64	0
1989	49.2	73	59.5	44	39	88	0.04	131	0
1988	49.1	75	58.1	73	40.1	71	2.13	62	0
1987	50.6	41	56.6	99	44.6	21	3.31	32	0
1986	50.1	52	58.4	67	41.8	45	0.85	105	0
1985	47.4	104	56.2	104	38.6	91	1.40	88	0
1984	46.7	110	55	114	38.5	93	1.73	78	0
1983	54.1	5	59.8	42	48.4	1	3.83	24	1
1982	49.2	73	57.3	89	41	59	1.99	71	0
1981	53.6	8	60.4	25	46.8	6	1.54	80	0
1980	50.6	41	60.3	29	40.9	62	1.44	86	0
1979	51.7	28	61	20	42.4	37	3.30	33	0
1978	45.8	115	55	114	36.5	110	0.42	123	0
1977	53.5	9	60.5	23	46.5	9	2.34	53	0
1976	47.7	100	59.9	39	35.5	120	0.80	108	0
1975	49	77	59.4	47	38.6	91	0.26	127	0
1974	48.2	92	56.7	97	39.4	84	2.02	66	1
1973	49.6	62	56.8	96	42.4	37	2.67	47	0
1972	45.7	118	53.2	125	38.3	95	1.18	99	0
1971	45.8	115	53.7	123	38	98	3.29	34	0
1970	48.4	87	55.2	111	41.6	51	3.93	23	0
1969	53.3	13	61.1	18	45.4	13	1.57	79	0
1968	47.7	100	55.9	108	39.6	82	1.85	74	0
1967	47.6	102	57.7	80	37.4	108	2.15	61	0
1966	49	77	56.9	92	41.2	56	2.17	59	0
1965	45	122	53.7	123	36.4	111	3.20	35	0
1964	52	23	59.3	48	44.7	20	5.00	9	0
1962	51.3	34	58.8	56	43.7	28	2.00	70	0
1961	48.8	82	56.3	102	41.4	55	1.28	94	0
1960	50.3	51	58.5	63	42.2	40	1.29	92	0
1959	52	23	62.9	5	41	59	0.63	112	0
1958	55.7	2	66.4	1	45	17	0.60	113	0
1957	50.6	41	58.8	56	42.3	39	2.75	46	0
1956	50.6	41	61.7	12	39.5	83	0.47	118	0
1955	52.1	21	58.6	61	45.5	12	9.26	1	0
1954	49.4	63	56.7	97	42	43	2.96	42	0
1953	52.2	20	61.8	11	42.5	36	0.50	116	0
1952	50.9	39	56.6	99	45.3	15	4.56	16	0
1951	49.3	67	55.9	108	42.6	34	4.06	21	0
1950	53.4	11	58.8	56	47.9	2	3.51	30	0
1949	48.7	83	57.4	86	40.1	71	1.08	101	0
1948	46.8	109	53.9	121	39.7	78	3.56	29	0
1947	49.3	67	58.1	73	40.5	67	0.72	110	0
1946	49.9	57	56.9	92	42.9	32	2.30	56	0
1945	51.6	31	58.6	61	44.5	22	3.95	22	0
1944	51.7	28	60.4	25	43	30	2.05	63	0
1943	52.1	21	61.3	16	43	30	0.97	103	0
1942	49.9	57	58.1	73	41.7	47	1.23	97	0
1941	51.9	25	58.8	56	45	17	4.93	10	0
1940	53	15	61.7	12	44.3	24	5.01	8	0
1939	52.7	17	62.5	7	42.9	32	0.55	114	0
1938	50.7	40	59.5	44	41.8	45	1.31	91	0
1937	51.4	33	61.2	17	41.6	51	2.57	48	0
1936	47.8	98	57.1	91	38.8	90	3.08	37	1
1935	49.7	61	59.9	39	39.4	84	1.05	102	1
1934	49.3	67	58.3	70	40.4	69	2.78	44	0
1933	49.3	67	57.5	82	41	59	3.05	38	0
1932	44.4	125	54.4	119	34.4	123	2.02	66	0
1931	47.5	103	55.2	111	39.7	78	5.57	6	0
1930	48	94	60.3	29	35.7	118	0.49	117	0
1929	53	15	62	10	44.1	26	0.78	109	0
1928	46.7	110	57.5	82	36	115	2.40	52	0
1927	48.3	89	59.1	49	37.6	106	2.01	69	0
1926	47.9	95	57.8	78	38	98	1.17	100	0
1925	49	77	60.1	34	38	98	1.33	89	0
1924	45.4	119	54.1	120	36.6	109	1.92	73	0
1923	47.4	104	59.1	49	35.6	119	0.71	111	0
1922	49.4	63	57.2	90	41.7	47	4.68	13	0
1921	50.1	52	59.1	49	41.1	58	4.66	14	0
1920	48.5	86	57.4	86	39.7	78	3.58	28	0
1919	47.2	107	56.9	92	37.5	107	2.48	50	0
1918	45.3	120	56.3	102	34.4	123	1.28	94	0
1917	51.6	31	62.5	7	40.6	63	0.55	114	0
1916	45.2	121	55.2	111	35.1	122	3.48	31	0
1915	49.1	75	58.3	70	39.9	75	4.37	18	0
1914	46.3	112	54.6	118	37.9	101	3.73	25	0
1913	48.7	83	57.5	82	39.8	77	3.00	41	0
1912	47.9	95	59.6	43	36.1	113	0.43	121	0
1911	47.4	104	58.7	60	36.1	113	2.03	64	0
1910	49.4	63	60.3	29	38.5	93	2.31	55	0
1909	45.8	115	55.3	110	36.4	111	5.41	7	0
1908	44.6	124	53.2	125	36	115	1.54	80	0
1907	50.4	47	59	53	41.7	47	3.65	27	0
1906	48.3	89	56.5	101	40.2	70	6.39	4	0
1905							1.23	97	31
1904	48.7	83	58.2	72	39.3	87	2.28	57	0
1903	48.9	81	59.9	39	37.8	103	0.34	124	1
1902							0.92	104	31
1901	50.4	47	62.9	5	37.9	101	0.43	121	0
1900							1.32	90	31
1899							1.43	87	31
1898							0.44	120	31
1896	48.4	87	58.5	63	38.3	95	2.55	49	0
1895	44.9	123	56.1	105	33.7	126	0.84	106	0
1894	46.3	112	54.8	117	37.7	105	7.40	3	0
1893	47.9	95	57.9	77	37.8	103	1.80	76	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	56.1
1958	55.7
2023	55.6
2014	54.4
1983	54.1
1995	54
1996	53.9
1981	53.6
2005	53.5
1977	53.5

Coldest
Year	Mean, °F
1990	43.9
1932	44.4
1908	44.6
1895	44.9
1965	45
1916	45.2
1918	45.3
1924	45.4
1972	45.7
1978	45.8
More years share the last value

Wettest
Year	Precipitation, in
1955	9.26
2014	7.74
1894	7.40
1906	6.39
2002	6.37
1931	5.57
1909	5.41
1940	5.01
1964	5.00
1941	4.93

Driest
Year	Precipitation, in
1989	0.04
2017	0.07
2011	0.08
2013	0.13
1975	0.26
2000	0.27
1998	0.27
1903	0.34
1978	0.42
1912	0.43
More years share the last value

The hottest, coldest and wettest days

Hottest day: 71°F; 17 December 2025
Coldest night: 35°F; 30 December 2025, 29 December 2025
Wettest day: 0.61 in; 25 December 2025

Every month, season and year

Months

Seasons

Years

San Jose, CA the day's answers

All-time records

Every answer in words

December 2025 brought 1.28 in of precipitation in San Jose, CA, the driest December since 2020, tied 36th driest of 131 (with 1961 and 1918).
The hottest day of December 2025 in San Jose, CA: 71°F on Wednesday 17 December 2025.
The coldest night of December 2025 in San Jose, CA: a low of 35°F on Tuesday 30 December 2025 and Monday 29 December 2025.
The wettest day of December 2025 in San Jose, CA: 0.61 in on Thursday 25 December 2025.