Bede

And mercy is like the late rain. The late rain in Judea until this day is accustomed to come to the already mature crops; where the Lord also promises the early rain, saying through the prophet, I will give you the early and the latter rain for your land (Isaiah XXX). Therefore, the early rain is, or is called temporary elsewhere when we first receive the seeds of believing in Christ; but the late rain, when, taken from this life with the mature fruits of virtues, we are stored in the Lord's barn. …

Commentary on Proverbs ↗