Napa July 20 Weather Records

July 20 All-Time Records 1901–2024
Highest temperature	107 °F	1917
Lowest temperature	46 °F	1945
Lowest daily high	67 °F	1928
Highest daily low	60 °F	2003
Most precipitation	none	-

July 20 Average Weather 1991–2020 ¹
Average high	79.8 °F
Average low	54.1 °F
Chance precipitation	0.3%

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	83	58	0.00	n/a
2022	76	53	0.00	n/a
2021	76	57	0.00	n/a
2020	79	57	0.00	n/a
2019	75	52	0.00	n/a
2018	79	50	0.00	n/a
2017	82	54	0.00	n/a
2016	77	47	0.00	n/a
2015	86	59	0.00	n/a
2014	74	57	0.00	n/a
2013	75	56	0.00	0.0
2012	87	50	0.00	n/a
2011	89	54	0.00	n/a
2010	69	54	0.00	n/a
2009	75	52	0.00	n/a
2008	68	52	0.00	n/a
2007	84	48	0.00	n/a
2006	88	56	0.00	n/a
2005	78	55	0.00	n/a
2004	81	57	0.00	n/a
2003	87	60	0.00	n/a
2002	73	52	0.00	n/a
2001	74	53	0.00	n/a
2000	73	53	0.00	n/a
1999	69	56	0.00	n/a
1998	88	56	0.00	0.0
1997	83	54	0.00	0.0
1996	99	55	0.00	0.0
1995	79	60	0.00	0.0
1994	75	56	0.00	0.0
1993	79	54	0.00	0.0
1992	84	57	0.00	0.0
1991	72	54	0.00	0.0
1990	85	56	0.00	0.0
1989	90	60	0.00	0.0
1988	81	60	0.00	0.0
1987	78	50	0.00	0.0
1986	87	54	0.00	0.0
1985	72	58	0.00	0.0
1984	78	48	0.00	0.0
1983	88	50	0.00	0.0
1982	79	52	0.00	0.0
1981	87	50	0.00	0.0
1980	77	53	0.00	0.0
1979	83	53	0.00	0.0
1978	80	50	0.00	0.0
1977	n/a	54	0.00	0.0
1976	86	51	0.00	0.0
1975	81	55	0.00	0.0
1974	85	57	0.00	0.0
1973	74	54	0.00	0.0
1972	71	58	0.00	0.0
1971	87	59	0.00	0.0
1970	89	58	0.00	0.0
1969	84	55	0.00	0.0
1968	95	57	0.00	0.0
1967	84	53	0.00	0.0
1966	78	54	0.00	0.0
1965	79	51	0.00	0.0
1964	78	55	0.00	0.0
1963	78	55	0.00	0.0
1962	87	48	0.00	0.0
1961	93	55	0.00	0.0
1960	99	55	0.00	0.0
1959	73	54	0.00	0.0
1958	73	54	0.00	0.0
1957	74	53	0.00	0.0
1956	81	55	0.00	0.0
1955	75	53	0.00	0.0
1954	81	47	0.00	0.0
1953	92	50	0.00	0.0
1952	76	52	0.00	0.0
1951	79	51	0.00	0.0
1950	83	52	0.00	0.0
1949	86	52	0.00	0.0
1948	78	51	0.00	0.0
1947	80	56	0.00	n/a
1946	80	56	0.00	n/a
1945	92	46	0.00	n/a
1944	86	53	0.00	n/a
1943	72	55	0.00	n/a
1942	83	55	0.00	n/a
1941	90	56	0.00	n/a
1940	80	48	0.00	n/a
1939	100	47	0.00	n/a
1938	90	54	0.00	n/a
1937	81	55	0.00	n/a
1936	82	55	0.00	n/a
1935	70	51	0.00	n/a
1934	72	52	0.00	n/a
1933	n/a	n/a	0.00	n/a
1932	n/a	n/a	n/a	n/a
1931	81	50	0.00	n/a
1930	91	51	0.00	n/a
1929	83	57	0.00	n/a
1928	67	52	0.00	n/a
1927	72	53	0.00	n/a
1926	80	48	0.00	n/a
1925	71	57	0.00	n/a
1924	n/a	n/a	n/a	n/a
1923	74	49	0.00	n/a
1922	78	52	0.00	n/a
1921	81	46	0.00	n/a
1920	84	48	0.00	n/a
1919	80	52	0.00	n/a
1918	91	46	0.00	n/a
1917	107	51	0.00	n/a
1916	n/a	n/a	n/a	n/a
1915	n/a	n/a	n/a	n/a
1914	77	60	0.00	n/a
1913	76	57	0.00	n/a
1912	79	57	0.00	n/a
1911	70	52	0.00	0.0
1910	89	58	0.00	0.0
1909	89	56	0.00	n/a
1908	80	56	0.00	n/a
1907	80	58	0.00	n/a
1906	74	56	0.00	n/a
1905	74	58	0.00	n/a
1904	85	52	0.00	n/a
1903	76	53	0.00	n/a
1902	80	56	0.00	n/a
1901	76	52	0.00	n/a

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

Rank	Temperature	Year
1	107 °F	1917
2	100 °F	1939
3	99 °F	1996
3	99 °F	1960
5	95 °F	1968
6	93 °F	1961
7	92 °F	1953
7	92 °F	1945
9	91 °F	1918
9	91 °F	1930

Rank	Temperature	Year
1	67 °F	1928
2	68 °F	2008
3	69 °F	2010
3	69 °F	1999
5	70 °F	1911
5	70 °F	1935
7	71 °F	1925
7	71 °F	1972
9	72 °F	1934
9	72 °F	1985
9	72 °F	1991
9	72 °F	1927
9	72 °F	1943

Napa July 20 Weather Records

Napa July 20 Weather by Year