The rain goes by many names at this time of year...
🌧️Saikau (催花雨) = spring rain that hastens the blooming of flowers
🌧️Kokū (穀雨 April 20ish) = "grain rain"
🌧️Zuiu (瑞雨) = rain that helps grain crops sprout
🌧️Kanu (甘雨) = rain that falls at the right time to moisten plants