Lowest May Temperatures in Rotterdam

A list of the lowest temperatures ever recorded in the month of May in Rotterdam, Netherlands from 1956–2024.
What's the coldest it has ever gotten in Rotterdam in May?
The coldest May temperature in Rotterdam, Netherlands history was -1.4 °C which has occurred twice, most recently on May 6, 1996.
Rank Temperature Date
1 -1.4 °C May 6, 1996
1 -1.4 °C May 6, 1979
3 -1.2 °C May 2, 1971
3 -1.2 °C May 1, 1962
5 -0.8 °C May 4, 1979
6 -0.7 °C May 5, 1959
7 -0.6 °C May 3, 1971
8 -0.5 °C May 1, 1976
9 -0.4 °C May 3, 1981
10 -0.2 °C May 8, 1957
11 -0.1 °C May 4, 1993
12 0.0 °C May 14, 2010
13 0.1 °C May 7, 1997
14 0.2 °C May 5, 1996
15 0.3 °C May 4, 1992
15 0.3 °C May 2, 1979
15 0.3 °C May 29, 1961
18 0.4 °C May 15, 2020
18 0.4 °C May 2, 1981
18 0.4 °C May 5, 1979
18 0.4 °C May 1, 1971