March comes in like a lion and goes out like a lamb. But where did this common idiom originate? No one is quite sure.
However, one theory points to the stars. The constellation at the beginning of the month is Leo (the Lion). By the end of the month, it’s Aries (ram or lamb).
This proverb can be traced back to a 1732 compilation of sayings which includes the phrase “comes in like a Lion, goes out like a Lamb.”
Another interesting aspect is the fact that lamb meat was only available in the spring, which may contribute to the fact that March is said to go out like a lamb.
The simple meaning of this phrase is that the month often comes in with bad weather, but by the time April is here, it is more clement.
This year in early March, the lion certainly has been roaring with the strong winds we’ve been having!
Info. from theparisreview.org and oklahoma4h.okstate.edu