Characterized by, full of, or bringing rain.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "rainy" in a sentence
"In the winter they rise higher, showing some connexion with the rainy season in the _rainy_ region."
"She must have sold a bond left to her by a friend some years ago, which she called her rainy-day legacy."
"So this is confusing, since everything I read says SMA is a dry climate with humidity around 15% .... and yes, I've read it's higher in rainy season, but 85%?"