A lot. The numbers: Princeville gets about 78 inches of rain a year. It's pretty even as to when it comes down too.
What is the calmest beach on the north shore of Kauai?
Anini BeachAnini BeachIt's a long and very beautiful stretch of sand that has very calm water conditions in the summer, making it an ideal place to swim between June and September. The coastline of Anini Beach is home to the longest fringing reef in the Hawaiian islands, so this is also a very popular place to go snorkeling.