Average January Temperature in Napa by Year

This page contains a list of the average monthly high and low temperatures in Napa, California for the month of January each year between 1902 and 2024. It is based on NOAA data.

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What Was the Hottest January Ever in Napa?

1996 was the warmest January in the history of Napa, California. The average daily high temperature was 63.3 °F, and the average low was 47.7 °F.

What Was the Coldest January Ever in Napa?

1937 was the coolest January in the history of Napa, California. The average daily high temperature was 46.3 °F, and the average low was 30.4 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	14	59.4	41.5
2023	17	58.9	41.6
2022	47	59.6	37.0
2021	23	60.9	38.9
2020	61	58.3	36.6
2019	9	60.4	42.2
2018	32	58.7	39.7
2017	40	57.2	39.8
2016	22	57.0	42.9
2015	51	59.2	36.7
2014	33	65.6	32.6
2013	103	57.6	32.0
2012	72	61.1	32.7
2011	83	56.0	36.6
2010	68	53.8	40.5
2009	73	59.8	33.9
2008	92	53.7	37.2
2007	114	57.0	29.5
2006	43	57.6	39.3
2005	97	52.2	38.1
2004	78	54.8	38.3
2003	16	57.6	43.2
2002	99	54.6	35.4
2001	107	56.0	31.9
2000	44	57.2	39.7
1999	105	53.1	35.6
1998	10	57.9	44.1
1997	37	56.2	41.1
1996	1	63.3	47.7
1995	4	57.1	47.7
1994	35	58.9	38.6
1993	89	54.6	37.0
1992	91	54.6	36.6
1991	62	58.4	36.5
1990	77	56.1	37.1
1989	90	56.3	35.3
1988	45	57.1	39.6
1987	58	57.0	38.1
1986	3	60.5	44.6
1985	104	54.9	34.3
1984	25	60.1	39.2
1982	100	54.6	35.3
1981	12	59.7	41.6
1980	27	57.7	41.3
1979	54	57.1	38.5
1978	7	59.0	44.2
1977	86	56.8	35.5
1976	36	63.2	34.2
1975	75	57.6	35.6
1974	28	57.9	41.0
1973	66	55.9	38.5
1972	106	54.4	33.6
1971	34	57.7	39.8
1970	6	59.0	44.5
1969	88	54.1	37.7
1968	85	57.0	35.3
1967	31	59.3	39.0
1966	52	58.6	37.3
1965	64	55.4	39.4
1964	81	56.8	36.0
1963	110	55.2	32.0
1962	82	59.3	33.2
1961	79	57.4	35.6
1960	56	56.6	38.6
1959	20	60.2	40.0
1958	59	58.8	36.1
1957	98	56.2	33.9
1956	39	56.1	41.1
1955	102	54.9	34.7
1954	48	57.3	39.3
1953	5	61.0	43.7
1952	94	53.9	36.6
1951	41	56.9	40.0
1950	112	52.7	34.2
1949	117	52.1	28.8
1948	13	63.9	37.0
1947	108	56.9	30.9
1946	60	59.4	35.6
1945	65	58.0	36.6
1944	29	60.1	38.7
1943	18	62.4	38.1
1942	38	57.3	39.9
1941	8	60.3	42.6
1940	11	59.2	42.7
1939	42	61.4	35.5
1938	49	58.9	37.4
1937	118	46.3	30.4
1936	24	58.7	40.9
1935	67	56.4	38.0
1934	15	59.6	41.2
1933	95	56.4	33.9
1932	53	60.2	35.5
1931	26	60.6	38.6
1930	84	55.2	37.3
1928	71	54.5	39.4
1927	70	54.2	39.8
1926	116	50.7	34.2
1925	80	55.3	37.6
1924	2	69.8	35.5
1923	115	49.8	35.2
1922	113	55.2	31.4
1921	57	56.3	38.9
1920	55	61.3	34.3
1919	69	60.6	33.5
1918	50	59.5	36.6
1914	21	55.2	44.9
1913	63	54.3	40.6
1912	46	55.1	41.6
1911	74	54.6	39.0
1910	109	50.5	37.3
1909	19	53.8	46.5
1908	76	52.7	40.5
1907	96	51.7	38.6
1906	87	53.5	38.6
1905	30	55.8	42.7
1904	93	55.7	35.0
1903	101	53.1	36.8
1902	111	52.7	34.4

Weather Station Details

Years	Station	Coordinates
1999–2024	Napa County Airport	location
1901–1998	Napa State Hospital	location