monkey's wedding
A rain shower that occurs while the sun is shining. A loan translation of the Zulu phrase umshado wezinkawu, or "a wedding for monkeys." Primarily heard in Ireland. Apart from a brief monkey's wedding, the weather was fabulous during the entire event.
ˌmonkey’s ˈwedding
(South African) used to describe a period of time when it is raining while the sun is shining: Look! It’s a monkey’s wedding!