Napa July 17 Weather Records

July 17 All-Time Records 1901–2024
Highest temperature	106 °F	1988
Lowest temperature	42 °F	1920
Lowest daily high	69 °F	1928
Highest daily low	65 °F	1984
Most precipitation	none	-

July 17 Average Weather 1991–2020 ¹
Average high	79.7 °F
Average low	54.0 °F
Chance precipitation	0.3%

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	84	61	0.00	n/a
2022	76	57	0.00	n/a
2021	80	56	0.00	n/a
2020	74	55	0.00	n/a
2019	83	58	0.00	n/a
2018	78	54	0.00	n/a
2017	86	58	0.00	n/a
2016	70	54	0.00	n/a
2015	78	58	0.00	n/a
2014	74	59	0.00	n/a
2013	78	51	0.00	0.0
2012	71	54	0.00	n/a
2011	74	56	0.00	n/a
2010	77	53	0.00	n/a
2009	85	47	0.00	n/a
2008	74	51	0.00	n/a
2007	81	55	0.00	n/a
2006	92	54	0.00	n/a
2005	83	51	0.00	n/a
2004	87	50	0.00	n/a
2003	99	51	0.00	n/a
2002	73	54	0.00	n/a
2001	75	56	0.00	n/a
2000	72	52	0.00	n/a
1999	70	51	0.00	n/a
1998	85	58	0.00	0.0
1997	83	53	0.00	0.0
1996	78	55	0.00	0.0
1995	74	61	0.00	0.0
1994	82	52	0.00	0.0
1993	90	54	0.00	0.0
1992	81	57	0.00	0.0
1991	82	56	0.00	0.0
1990	80	58	0.00	0.0
1989	91	53	0.00	0.0
1988	106	60	0.00	0.0
1987	74	51	0.00	0.0
1986	70	55	0.00	0.0
1985	75	55	0.00	0.0
1984	85	65	0.00	0.0
1983	76	58	0.00	0.0
1982	n/a	n/a	n/a	n/a
1981	74	54	0.00	0.0
1980	82	52	0.00	0.0
1979	84	52	0.00	0.0
1978	92	55	0.00	0.0
1977	n/a	54	0.00	0.0
1976	73	56	0.00	0.0
1975	79	54	0.00	0.0
1974	83	54	0.00	0.0
1973	73	55	0.00	0.0
1972	79	58	0.00	0.0
1971	80	58	0.00	0.0
1970	89	55	0.00	0.0
1969	94	53	0.00	0.0
1968	94	52	0.00	0.0
1967	73	53	0.00	0.0
1966	85	50	0.00	0.0
1965	83	52	0.00	0.0
1964	82	56	0.00	0.0
1963	79	49	0.00	0.0
1962	75	50	0.00	0.0
1961	104	57	0.00	0.0
1960	90	54	0.00	0.0
1959	75	53	0.00	0.0
1958	78	53	0.00	0.0
1957	89	50	0.00	0.0
1956	83	54	0.00	0.0
1955	81	46	0.00	0.0
1954	79	53	0.00	0.0
1953	76	53	0.00	0.0
1952	76	52	0.00	0.0
1951	93	53	0.00	0.0
1950	82	54	0.00	0.0
1949	90	52	0.00	0.0
1948	80	55	0.00	0.0
1947	97	52	0.00	n/a
1946	93	48	0.00	n/a
1945	81	53	0.00	n/a
1944	78	52	0.00	n/a
1943	76	52	0.00	n/a
1942	80	55	0.00	n/a
1941	88	54	0.00	n/a
1940	72	54	0.00	n/a
1939	83	50	0.00	n/a
1938	83	54	0.00	n/a
1937	75	53	0.00	n/a
1936	87	50	0.00	n/a
1935	98	57	0.00	n/a
1934	82	59	0.00	n/a
1933	n/a	n/a	0.00	n/a
1932	85	50	0.00	n/a
1931	92	55	0.00	n/a
1930	76	47	0.00	n/a
1929	85	51	0.00	n/a
1928	69	51	0.00	n/a
1927	80	53	0.00	n/a
1926	78	57	0.00	n/a
1925	95	59	0.00	n/a
1924	n/a	n/a	n/a	n/a
1923	80	47	0.00	n/a
1922	77	53	0.00	n/a
1921	75	52	0.00	n/a
1920	80	42	0.00	n/a
1919	81	46	0.00	n/a
1918	82	50	0.00	n/a
1917	83	52	0.00	n/a
1916	n/a	n/a	n/a	n/a
1915	n/a	n/a	n/a	n/a
1914	85	59	0.00	n/a
1913	87	55	0.00	n/a
1912	82	57	0.00	n/a
1911	69	54	0.00	0.0
1910	91	51	0.00	0.0
1909	79	49	0.00	n/a
1908	96	57	0.00	n/a
1907	78	55	0.00	n/a
1906	78	58	0.00	n/a
1905	76	58	0.00	n/a
1904	82	50	0.00	n/a
1903	74	52	0.00	n/a
1902	80	53	0.00	n/a
1901	76	46	0.00	n/a

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

Rank	Temperature	Year
1	106 °F	1988
2	104 °F	1961
3	99 °F	2003
4	98 °F	1935
5	97 °F	1947
6	96 °F	1908
7	95 °F	1925
8	94 °F	1968
8	94 °F	1969
10	93 °F	1951
10	93 °F	1946

Rank	Temperature	Year
1	42 °F	1920
2	46 °F	1901
2	46 °F	1955
2	46 °F	1919
5	47 °F	1923
5	47 °F	1930
5	47 °F	2009
8	48 °F	1946
9	49 °F	1909
9	49 °F	1963

Napa July 17 Weather Records

Napa July 17 Weather by Year