Lowest August Temperatures in Antioch

A list of the lowest temperatures ever recorded in the month of August in Antioch, California from 1915–2021.
What's the coldest it has ever gotten in Antioch in August?
The coldest August temperature in Antioch, California history was 40 °F which has occurred twice, most recently on August 10, 1983.
Rank Temperature Date
1 40 °F August 10, 1983
1 40 °F August 5, 1983
3 43 °F August 6, 1958
3 43 °F August 16, 1949
3 43 °F August 28, 1928
6 44 °F August 12, 1954
6 44 °F August 13, 1945
6 44 °F August 2, 1927
9 45 °F August 31, 1960
9 45 °F August 21, 1959
9 45 °F August 31, 1957
9 45 °F August 30, 1957
9 45 °F August 8, 1945
9 45 °F August 23, 1943
9 45 °F August 2, 1942
9 45 °F August 12, 1939
9 45 °F August 11, 1932
9 45 °F August 10, 1931
9 45 °F August 29, 1930
9 45 °F August 28, 1930
9 45 °F August 4, 1930
9 45 °F August 29, 1927
9 45 °F August 11, 1926
9 45 °F August 14, 1921
9 45 °F August 14, 1919