O Allah, beneficial rain, O Allah, beneficial rain. (Repeated when it rains) — Rain
اللَّهُمَّ صَيِّبًا نَافِعًا اللَّهُمَّ صَيِّبًا نَافِعًا
Transliteration: Allaahumma sayyiban naafi'aa, Allaahumma sayyiban naafi'aa
Translation: O Allah, beneficial rain, O Allah, beneficial rain. (Repeated when it rains)
Reference: Bukhari 1:183