Highest Daily Low Temperatures in Vacaville History

This is a list of the hottest daily low temperatures ever recorded in Vacaville, California history from 1893–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Vacaville

The highest low temperature for a calendar day in Vacaville, California history was 79 °F which happened on Monday, May 24, 1982.

Rank	Temperature	Date
1	79 °F	May 24, 1982
2	78 °F	July 23, 2006
2	78 °F	July 12, 1999
2	78 °F	July 19, 1961
2	78 °F	June 2, 1960
6	77 °F	May 15, 2008
7	76 °F	August 16, 2020
7	76 °F	August 4, 2017
7	76 °F	May 29, 1975
7	76 °F	September 28, 1966
11	75 °F	August 17, 2020
11	75 °F	June 22, 2017
11	75 °F	July 22, 2006
11	75 °F	June 14, 2000
11	75 °F	July 13, 1999
11	75 °F	August 6, 1961
11	75 °F	May 29, 1950
11	75 °F	October 6, 1930
11	75 °F	August 8, 1914
20	74 °F	July 4, 2013
20	74 °F	August 13, 2009
20	74 °F	August 9, 1990
20	74 °F	July 19, 1988
20	74 °F	June 19, 1981
20	74 °F	May 28, 1975
20	74 °F	May 31, 1970
20	74 °F	September 22, 1964
20	74 °F	September 3, 1961
20	74 °F	September 9, 1934
20	74 °F	September 8, 1934
20	74 °F	September 20, 1919