Lowest May Temperatures in Flandreau

A list of the lowest temperatures ever recorded in the month of May in Flandreau, South Dakota from 1893–2024.
What's the coldest it has ever gotten in Flandreau in May?
The coldest May temperature in Flandreau, South Dakota history was 16 °F which occurred on May 11, 1946.
Rank Temperature Date
1 16 °F May 11, 1946
2 17 °F May 4, 1967
2 17 °F May 12, 1946
4 18 °F May 3, 1967
5 19 °F May 3, 2005
6 20 °F May 4, 2005
6 20 °F May 2, 1970
6 20 °F May 2, 1961
6 20 °F May 1, 1950
6 20 °F May 3, 1909
6 20 °F May 1, 1909
6 20 °F May 3, 1907
13 21 °F May 3, 2013
13 21 °F May 5, 1968
13 21 °F May 7, 1931
13 21 °F May 2, 1909
13 21 °F May 2, 1908
18 22 °F May 15, 1959
18 22 °F May 5, 1944
18 22 °F May 9, 1923