There are many names for the various weather sayings and proverbs that have been created over hundreds, even thousands of years, each attempting to distill some observable aspect of the weather into a memorable phrase, often – though not always – with a catchy rhyme.
This type of oral transfer of knowledge and information would have been essential before reading and writing skills spread to the general populace during the 19th and 20th centuries. Yet even today, various tidbits of information continue to be passed down. I remember as a young boy my parents remarking “it’s too cold to snow.” This didn’t require any investigation, nor was there any attempt to equate this with scientific details as to why this would be. It simply was.