In Pennsylvania, the watermelon season typically runs mid-July to mid-September, with peak availability early August through late August. Exact weeks shift a little with each year's weather.
Can I pick my own watermelon in Pennsylvania?
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 August through late August.
How long does watermelon season last in Pennsylvania?
about 9 weeks end to end — mid-July to mid-September. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.