Lowest May Temperatures in Riverside

A list of the lowest temperatures ever recorded in the month of May in Riverside, California from 1893–2024.
What's the coldest it has ever gotten in Riverside in May?
The coldest May temperature in Riverside, California history was 33 °F which occurred on May 1, 1915.
Rank Temperature Date
1 33 °F May 1, 1915
2 34 °F May 8, 1950
2 34 °F May 5, 1950
2 34 °F May 3, 1904
5 35 °F May 9, 1950
5 35 °F May 10, 1922
5 35 °F May 25, 1916
5 35 °F May 2, 1913
9 36 °F May 6, 1950
9 36 °F May 4, 1950
9 36 °F May 21, 1948
9 36 °F May 3, 1908
13 37 °F May 26, 1953
13 37 °F May 12, 1953
13 37 °F May 10, 1950
13 37 °F May 20, 1948
13 37 °F May 7, 1933
13 37 °F May 8, 1930
13 37 °F May 5, 1920
13 37 °F May 21, 1902