How long does it take for Rain to clear up?

Question

I'm trying to Horde EV train and, as you can imagine, it's a pain.

Comments

i'm not sure, but i think sweet scent works in weather conditions in oras

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Just sing, "Rain, rain go away! Come again another day!" and it should go

Answer 1

Rain is time based. If you want it to stop raining, you'll have to wait for a while.
Or you could move your DS clock an hour forward and it should clear up. If it doesn't, just move it another hour.
Hope I helped