In Hawaii, the watermelon season typically runs early May to late October, with peak availability early June through mid-September. Exact weeks shift a little with each year's weather.
Can I pick my own watermelon in Hawaii?
Rarely offered u-pick — buy them at the farm stand, where the grower has already thumped and field-tested the load. The best market weeks are early June through mid-September.
How long does watermelon season last in Hawaii?
about 26 weeks end to end — early May to late October. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.