Number of Days of 90 °F in Vacaville by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 90 degrees Fahrenheit in Vacaville, California, between 1893 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 2020 holds the record for the most 90 °F days in Vacaville history. There were 125 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 degrees Fahrenheit in Vacaville so far in 2024. As of April 13, the highest temperature this year is 83 °F.

The last time it reached at least 90° F was October 19, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 90 °F
2024	125	0
2023	67	84
2022	3	111
2021	9	105
2020	1	125
2019	40	92
2018	62	85
2017	11	103
2016	22	98
2015	14	101
2014	49	90
2013	88	74
2012	33	95
2011	90	73
2010	90	73
2009	36	93
2008	18	99
2007	98	66
2006	58	87
2005	92	72
2004	73	82
2003	51	89
2002	36	93
2001	29	96
2000	79	79
1999	96	68
1998	111	50
1997	25	97
1996	11	103
1995	71	83
1994	18	99
1993	76	81
1992	2	119
1991	5	109
1990	40	92
1989	58	87
1988	106	59
1987	73	82
1986	109	55
1985	100	64
1984	18	99
1983	100	64
1982	110	54
1981	62	85
1980	115	33
1979	54	88
1978	78	80
1977	86	75
1976	92	72
1975	86	75
1974	33	95
1973	76	81
1972	84	76
1971	62	85
1970	18	99
1969	25	97
1968	71	83
1967	15	100
1966	54	88
1965	73	82
1964	79	79
1963	96	68
1962	54	88
1961	36	93
1960	29	96
1959	15	100
1958	15	100
1957	47	91
1956	40	92
1955	40	92
1954	67	84
1953	60	86
1952	22	98
1951	36	93
1950	33	95
1949	47	91
1948	84	76
1947	40	92
1946	79	79
1945	22	98
1944	67	84
1943	51	89
1942	62	85
1941	100	64
1940	62	85
1939	4	110
1938	51	89
1937	29	96
1936	9	105
1935	25	97
1934	11	103
1933	7	107
1932	40	92
1931	25	97
1930	49	90
1929	7	107
1928	5	109
1927	54	88
1926	40	92
1925	112	47
1924	60	86
1923	99	65
1922	29	96
1921	67	84
1920	94	71
1919	105	60
1918	125	0
1917	125	0
1916	108	56
1915	114	45
1914	115	33
1913	117	15
1912	103	62
1911	104	61
1910	88	74
1909	95	70
1908	83	78
1907	113	46
1906	79	79
1905	106	59
1904	125	0
1903	125	0
1902	125	0
1901	125	0
1900	125	0
1899	122	4
1898	122	4
1897	118	8
1896	119	7
1895	120	6
1894	120	6
1893	122	4

Weather Station Details

Years	Station	Coordinates
1999–2024	Vacaville Nut Tree Airport	location
1893–1998	Vacaville	location