Bede

As the cold of snow in the day of harvest, etc. It seems altogether inopportune to snow in the time of harvest. For we read below: As snow in summer and rain in harvest, so is honor unseemly for a fool. But nevertheless, in the very hot regions of Palestine, it is quite delightful to the reapers if, suddenly, cold, as it is wont to come with snow, arrives; which would somewhat cool the burning of the sun, wipe away the sweat of the laborers, and temper the burning breaths. …

Commentary on Proverbs ↗