April snow on Mount Hermon
Independence Day 1983 which was on April 18 was a major snowstorm on Mount Hermon. In addition, there was snow on Mount Hermon (the hills of Galilee) on 10 April 1997, 3-4 April 1995. Of course, on 2 April 1990 was a serious snow on Mount Hermon (when it snowed in Jerusalem).
Cases I mentioned were cases of serious snowstorms Hermon in April - were also quite a few cases of heavy rain (as on 2-3 April 2002) on Mount Hermon in April. Thanks to drs99