When March is like April, April will be like March.
If March comes in with adder’s head,
It goes out with peacock tail.
A dusty March, a snowy February, a moist April, and a dry May, presage a good year. (French.)
A bushel of March dust is worth a king’s ransom.
A windy March and a rainy April make a beautiful May.
A dry March never brings its bread.
March comes in like a lamb and goes out like a lion.
So many frosts in March, so many in May.
March wind and May sun