Lowest June Temperatures in Boonton

A list of the lowest temperatures ever recorded in the month of June in Boonton, New Jersey from 1893–2024.
What's the coldest it has ever gotten in Boonton in June?
The coldest June temperature in Boonton, New Jersey history was 32 °F which has occurred twice, most recently on June 1, 1930.
Rank Temperature Date
1 32 °F June 1, 1930
1 32 °F June 21, 1918
3 34 °F June 1, 1938
3 34 °F June 4, 1926
5 36 °F June 8, 1932
5 36 °F June 3, 1921
7 37 °F June 10, 1957
7 37 °F June 21, 1926
7 37 °F June 1, 1924
10 38 °F June 3, 1986
10 38 °F June 3, 1964
10 38 °F June 8, 1944
10 38 °F June 20, 1926
10 38 °F June 17, 1926
15 39 °F June 6, 1964
15 39 °F June 2, 1933
15 39 °F June 6, 1920
18 40 °F June 11, 1980
18 40 °F June 15, 1978
18 40 °F June 12, 1972
18 40 °F June 7, 1958
18 40 °F June 9, 1957
18 40 °F June 5, 1947
18 40 °F June 7, 1946
18 40 °F June 5, 1944
18 40 °F June 22, 1940
18 40 °F June 2, 1938
18 40 °F June 3, 1929
18 40 °F June 4, 1927
18 40 °F June 16, 1918
18 40 °F June 2, 1897