Why do many countries associate an animal's wedding with a sunshower?

My mother. who lived in Michigan, USA, always said "The devil is beating his wife." Her grandparents came from Austria/Poland.Who knows how these things start ?

A sunshower or sun shower is a meteorological phenomenon in which rain falls while the sun is shining.[1] These conditions often lead to the appearance of a rainbow, if the sun is at a low enough angle.[1] Although used in the United States, Canada, Australia, New Zealand, Ireland, and parts of Britain, the term "sunshower" is rarely found in dictionaries.[2] Additionally, the phenomenon has a wide range of sometimes remarkably similar folkloric names in cultures around the world.[3] A common theme is that of trickster animals, or the devil, getting married, although many variations of parts of this theme exist.

The air signs and indications are seen human signs and indications; meaning they think of and act, fairly than react. They be conscious of mind-blowing from incorrect, morals, outcomes of movements, humanity, fairly than in simple terms act upon organic instincts, conveniently positioned. Gemini rules thought, (the twins), me and my instantaneous ecosystem. Libra (the scales) takes it a step larger. How do my recommendations impression others - my companions, those I come into touch with in my prolonged ecosystem. Aquarius ( pouring out awareness) takes it to the utmost point; how do my recommendations, movements, (or loss of them) and the implications of those movements impression all humanity? yet as far as Aquarius and Uranus having rulership over specific creatures, definite.