The word(s) "rain" appears 67 time(s) in 58 verse(s) in Quran in Muhammad Pickthal translation.

(31) And strain not thine eyes toward that which We cause some wedded pairs among them to enjoy, the flower of the life of the world, that We may try them thereby. The provision of thy Lord is better and more lasting.

(32) And We set a just balance for the Day of Resurrection so that no soul is wronged in aught. Though it be of the weight of a grain of mustard seed, We bring it. And We suffice for reckoners.

(33) Hast thou not seen how Allah wafteth the clouds, then gathereth them, then maketh them layers, and thou seest the rain come forth from between them; He sendeth down from the heaven mountains wherein is hail, and smiteth therewith whom He will, and averteth it from whom He will. The flashing of His lightning all but snatcheth away the sight.

(34) As for women past child-bearing, who have no hope of marriage, it is no sin for them if they discard their (outer) clothing in such a way as not to show adornment. But to refrain is better for them. Allah is Hearer, Knower.

(35) And indeed they have passed by the township whereon was rained the fatal rain. Can it be that they have not seen it? Nay, but they hope for no resurrection.

(36) And We rained on them a rain. And dreadful is the rain of those who have been warned.

(37) And We rained a rain upon them. Dreadful is the rain of those who have been warned.

(38) And if thou wert to ask them: Who created the heavens and the earth, and constrained the sun and the moon (to their appointed work)? they would say: Allah. How then are they turned away?

(39) Allah is He Who sendeth the winds so that they raise clouds, and spreadeth them along the sky as pleaseth Him, and causeth them to break and thou seest the rain downpouring from within them. And when He maketh it to fall on whom He will of His bondmen, lo! they rejoice;

(40) O my dear son! Lo! though it be but the weight of a grain of mustard-seed, and though it be in a rock, or in the heavens, or in the earth, Allah will bring it forth. Lo! Allah is Subtile, Aware.