Arabic
اللَّهُمَّ اسْقِنَا غَيْثًا مُغِيثًا مَرِيئًا مَرِيعًا نَافِعًا غَيْرَ ضَارٍّ عَاجِلاً غَيْرَ آجِلٍ
Meaning
O Allah, give us rain that relieves, wholesome, abundant, beneficial and not harmful, soon and not delayed.
Source
HadithAbu Dawud 1169