When-is
5 guides
When Is Rainy Season in Hawaii? (Honest 2026 Guide)
Hawaii's "rainy season" is November–March, but each island has its own rain pattern. Honest breakdown of which islands stay dry, which get drenched, and how to plan.
Hawaii Surf Season Calendar — When and Where to Surf in 2026
Hawaii has two surf seasons — north shores get giant winter swell (Oct–Mar), south shores get summer swell (May–Sep). Where to surf, where to watch, and where the contests are.
Box Jellyfish in Hawaii — When They Show Up (2026 Calendar)
Hawaii's box jellyfish arrive on a predictable monthly schedule, 8–12 days after each full moon. Here's the 2026 calendar of high-risk dates and what to do if stung.
When Is Mango Season in Hawaii? (Plus 6 Mango Varieties to Try)
Hawaii mango season peaks in June and July when backyard trees drop fruit by the bag. Locals' guide to varieties, where to find them, and the annual Mango Jam festival.
When Is Whale Season in Hawaii? (2026 Calendar + Best Spots)
Humpback whales migrate to Hawaii every winter. The official season runs December–April, with peak January–March. Where to see them from every island.