July: July brings the Olympic Peninsula's driest weather: rain forest trails are at their most pleasant, tide pools are exposed on summer low tides, and the high country opens.
Permits and reservations
No reservation is required to enter the park. Reservations are strongly recommended for campgrounds and popular wilderness camping areas.
Wilderness permits: Required for all overnight wilderness trips. Summer-season reservations are released in bulk on April 15 at 7 a.m. PT, and no more are added later.
Campgrounds: Hoh, Kalaloch, Fairholme, Mora, Sol Duc and Staircase campgrounds can be reserved on Recreation.gov, and reservations are highly recommended.