Lowest May Temperatures in Great Sand Dunes National Park

A list of the lowest temperatures ever recorded in the month of May in Great Sand Dunes National Park, Colorado from 1950–2024.
What's the coldest it has ever gotten in Great Sand Dunes National Park in May?
The coldest May temperature in Great Sand Dunes National Park, Colorado history was 15 °F which has occurred 3 times, most recently on May 1, 2016.
Rank Temperature Date
1 15 °F May 1, 2016
1 15 °F May 1, 1962
1 15 °F May 2, 1953
4 16 °F May 6, 1975
4 16 °F May 1, 1967
6 17 °F May 2, 2013
6 17 °F May 2, 2011
6 17 °F May 3, 1967
6 17 °F May 2, 1967
6 17 °F May 11, 1953
11 18 °F May 6, 1983
11 18 °F May 7, 1975
13 19 °F May 1, 2010
13 19 °F May 8, 1968
13 19 °F May 7, 1968
16 20 °F May 3, 2013
16 20 °F May 3, 2008
16 20 °F May 6, 1999
16 20 °F May 2, 1970
16 20 °F May 9, 1965