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Hawaii is blessed with balmy, tropical weather year-round. Highs are 78°-82° in the wintertime to high 80s in the summer. Winter lows are in the high 60s to low 70s while lows in the summer are about 75°. The rainy season is November to March, and the busy season is November to January. Whale season runs from mid December thru mid May. Ocean temperatures are about 77° in the winter to 82° in the summer.