Highest May Temperatures in Half Moon Bay

A list of the highest temperatures ever recorded in the month of May in Half Moon Bay, California from 1939–2024.
What's the hottest it has ever gotten in Half Moon Bay in May?
The hottest May temperature in Half Moon Bay, California history was 82 °F which has occurred twice, most recently on May 4, 2011.
Rank Temperature Date
1 82 °F May 4, 2011
1 82 °F May 6, 1949
3 81 °F May 3, 1953
3 81 °F May 1, 1947
5 80 °F May 3, 2001
5 80 °F May 4, 1953
5 80 °F May 9, 1943
5 80 °F May 21, 1941
9 79 °F May 17, 2008
9 79 °F May 1, 1990
9 79 °F May 22, 1943
9 79 °F May 19, 1941
13 78 °F May 1, 2014
13 78 °F May 15, 2008
13 78 °F May 2, 2004
13 78 °F May 24, 1992
13 78 °F May 23, 1992
13 78 °F May 25, 1975
13 78 °F May 7, 1967
13 78 °F May 26, 1951