Santa Maria, CA: December

31 December 2025: December 2025 averaged 56.6°F in Santa Maria, CA, the warmest December since 2014, tied 5th warmest of 115 (with 1929).

December 2025

Mean temperature: 56.6°F; Warmest since 2014; 5th warmest of 115
Precipitation: 3.02 in; Wettest since 2022; 31st wettest of 115

A normal December in Santa Maria, CA (1991 to 2020): a mean temperature of 51.9°F, between 50°F and 54.5°F in eight years of ten and 1.65 in of precipitation, between 0.15 in and 3.98 in in eight years of ten.

The mean temperature of every December in Santa Maria, CA since 1906: 56.6°F in 2025; the highest is 57.7°F, in 1940.

Normal range, 50 to 54.5°F

Every year, ranked, as a table

Every December in Santa Maria, CA from 1906 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	56.6	5	68.4	16	44.8	6	3.02	31
2024	54.3	19	67	30	41.6	24	0.38	98
2023	55.9	8	67.5	25	44.3	8	2.95	33
2022	52	54	61.6	94	42.3	22	4.96	8
2021	50.4	85	60.3	106	40.5	35	4.69	10
2020	53.6	28	67.4	26	39.9	42	1.52	64
2019	54.5	17	63.8	66	45.3	5	2.18	46
2018	54.6	16	66.1	38	43.2	16	0.93	86
2017	55.1	15	71.9	3	38.4	69	0.03	113
2016	51.4	67	62.2	86	40.5	35	2.22	45
2015	51.5	61	64.2	59	38.8	61	1.12	81
2014	57.3	2	66.8	33	47.7	1	4.24	14
2013	53.1	37	69.5	12	36.8	91	0.18	105
2012	51.6	60	61.9	90	41.3	28	2.73	39
2011	50	91	64.6	51	35.4	103	0.16	107
2010	53	38	61.8	92	44.1	10	9.85	1
2009	50.6	80	61.4	96	39.8	43	2.53	43
2008	49.3	101	60.7	102	38	75	0.91	87
2007	50.8	74	63.7	68	37.9	77	1.86	54
2006	53.8	24	67.8	23	39.7	44	1.17	79
2005	53.7	26	65.3	46	42	23	2.13	48
2004	51.5	61	64.3	57	38.7	63	3.95	17
2003	51	73	62.3	82	39.6	46	1.29	74
2002	52	54	62.3	82	41.6	24	4.28	13
2001	49.9	93	60.6	104	39.2	52	1.31	71
2000	53.7	26	68.2	18	39.2	52	0.05	111
1999	53.2	34	69	15	37.4	86	0.05	111
1998	48	110	62	89	34	108	0.55	95
1997	50	91	62.5	77	37.5	83	2.65	41
1996	53.2	34	63.1	73	43.3	15	3.36	23
1995	53.5	30	64.5	54	42.5	19	1.44	66
1994	50.2	89	62.4	80	38	75	1.12	81
1993	51.8	58	65.2	48	38.3	72	1.77	59
1992	50.4	85	63	74	37.7	81	2.80	37
1991	52.6	47	66.6	34	38.6	66	3.12	25
1990	48.9	105	63.9	64	33.9	110	0.69	92
1989	54.5	17	71.3	7	37.7	81	0.02	114
1988	50.5	84	63	74	37.9	77	3.74	19
1987	48.7	106	59.8	109	37.5	83	3.09	27
1986	51.2	69	65.4	44	37.1	89	1.41	67
1985	53.5	30	68	21	39	57	0.76	91
1984	50.6	80	62.5	77	38.7	63	3.23	24
1983	54	23	64.5	54	43.6	13	2.73	39
1982	51.5	61	64	62	39	57	1.05	84
1981	52.9	41	65.2	48	40.6	33	0.78	90
1980	55.4	12	71.5	6	39.3	51	1.26	76
1979	54.1	21	69.9	9	38.3	72	1.25	77
1978	47.2	113	62.3	82	32.2	114	1.04	85
1977	57	3	67.2	27	46.9	2	4.22	15
1976	51.8	58	69.7	10	33.8	112	1.09	83
1975	50.8	74	65.8	41	35.8	100	0.17	106
1974	49.9	93	62.4	80	37.3	88	4.64	11
1973	51.1	71	62.8	76	39.5	47	3.04	29
1972	48	110	59.8	109	36.1	98	1.14	80
1971	45.5	114	57.2	114	33.9	110	2.80	37
1970	49.1	104	59.9	108	38.2	74	3.47	22
1969	52.2	52	65.4	44	39	57	0.29	101
1968	49.8	96	62.3	82	37.4	86	1.41	67
1967	49.5	100	62.1	88	36.8	91	1.33	70
1966	49.9	93	62.2	86	37.5	83	2.86	36
1965	48.7	106	61.8	92	35.7	101	2.47	44
1964	51.9	56	61.4	96	42.5	19	1.34	69
1963	50.7	77	67.6	24	33.8	112	0.13	110
1962	53	38	65.9	40	40.1	40	0.26	104
1961	51.1	71	63.5	69	38.8	61	1.73	61
1960	50.7	77	65	50	36.3	96	0.80	89
1959	53.6	28	68.2	18	39.1	56	0.45	96
1958	56.5	7	71.8	4	41.2	29	0.16	107
1957	54.3	19	68	21	40.5	35	2.12	49
1956	53.2	34	70	8	36.4	95	0.36	99
1955	52.7	45	61.4	96	44	12	4.82	9
1954	51.9	56	63.8	66	40	41	1.88	52
1953	52.9	41	67.2	27	38.5	67	0.28	103
1952	50.8	74	61.1	101	40.5	35	4.13	16
1951	49.2	103	59.7	111	38.7	63	3.60	20
1950	55.6	10	66.9	32	44.3	8	1.27	75
1949	50.7	77	63.5	69	37.9	77	2.57	42
1948	48	110	59.7	111	36.3	96	2.99	32
1947	50.6	80	65.3	46	36	99	0.29	101
1946	51.5	61	63.5	69	39.5	47	1.98	50
1945	54.1	21	65.8	41	42.4	21	3.11	26
1944	53	38	66.6	34	39.5	47	1.90	51
1943	52.5	49	63.9	64	41.2	29	3.09	27
1942	52.9	41	66.6	34	39.2	52	3.04	29
1941	53.8	24	63.5	69	44.1	10	7.50	2
1940	57.7	1	69.7	10	45.8	3	5.25	7
1939	55.7	9	68.1	20	43.2	16	1.30	73
1938	55.2	14	69.1	14	41.4	27	1.53	63
1937	55.5	11	69.5	12	41.5	26	2.88	35
1936	52.2	52	66.1	38	38.4	69	5.69	5
1935	52.4	50	66.4	37	38.4	69	1.71	62
1934	53.4	32	67	30	39.7	44	1.78	58
1933	49.3	101	64	62	34.5	107	2.91	34
1932	48.4	109	61.9	90	34.9	104	1.31	71
1931	48.6	108	60.4	105	36.8	91	6.56	3
1930	51.4	67	68.3	17	34.6	106	trace	115
1929	56.6	5	72.1	2	41.1	31	0.15	109
1928	51.5	61	67.2	27	35.7	101	2.16	47
1927	50.6	80	64.3	57	36.9	90	3.80	18
1926	50.3	87	64.2	59	36.5	94	0.91	87
1925	56.7	4	73	1	40.4	39	1.81	56
1924	50.1	90	61.6	94	38.5	67	1.85	55
1923	49.7	98	64.6	51	34.7	105	0.62	93
1922	52.6	47	62.5	77	42.7	18	3.59	21
1921	52.4	50	64.2	59	40.6	33	5.32	6
1920	49.6	99	60.1	107	39.2	52	1.24	78
1919	51.2	69	64.5	54	37.9	77	1.88	52
1918	37.6	115	45.2	115	30	115	1.46	65
1917	55.3	13	71.8	4	38.9	60	0.31	100
1911	49.8	96	65.6	43	34	108	1.77	59
1910	52.8	44	64.6	51	40.9	32	0.45	96
1909	51.5	61	59.6	113	43.4	14	5.89	4
1908	50.3	87	61.2	100	39.4	50	0.61	94
1907	53.4	32	61.3	99	45.5	4	1.80	57
1906	52.7	45	60.7	102	44.8	6	4.35	12

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1940	57.7
2014	57.3
1977	57
1925	56.7
2025	56.6
1929	56.6
1958	56.5
2023	55.9
1939	55.7
1950	55.6

Coldest
Year	Mean, °F
1918	37.6
1971	45.5
1978	47.2
1998	48
1972	48
1948	48
1932	48.4
1931	48.6
1987	48.7
1965	48.7

Wettest
Year	Precipitation, in
2010	9.85
1941	7.50
1931	6.56
1909	5.89
1936	5.69
1921	5.32
1940	5.25
2022	4.96
1955	4.82
2021	4.69

Driest
Year	Precipitation, in
1930	trace
1989	0.02
2017	0.03
2000	0.05
1999	0.05
1963	0.13
1929	0.15
2011	0.16
1958	0.16
1975	0.17

The hottest, coldest and wettest days

Hottest day: 82°F; 9 December 2025
Coldest night: 35°F; 29 December 2025, 28 December 2025
Wettest day: 1.64 in; 24 December 2025

Every month, season and year

Months

Seasons

Years

Santa Maria, CA the day's answers

All-time records

Every answer in words

December 2025 brought 3.02 in of precipitation in Santa Maria, CA, the wettest December since 2022, 31st wettest of 115.
The hottest day of December 2025 in Santa Maria, CA: 82°F on Tuesday 9 December 2025.
The coldest night of December 2025 in Santa Maria, CA: a low of 35°F on Monday 29 December 2025 and Sunday 28 December 2025.
The wettest day of December 2025 in Santa Maria, CA: 1.64 in on Wednesday 24 December 2025.