Kenai Peninsula in July

May through September is your window, with July and August being peak season for everything - crowds, prices, and mosquitoes. June offers the best balance: wildflowers bloom, salmon runs start, and you'll have nearly 20 hours of daylight. The weather's still unpredictable but less brutal than shoulder seasons. July brings peak wildlife viewing and fishing, plus warmest temperatures (which means 60s, not 80s). August sees the biggest salmon runs and berry picking season, but also peak tourist chaos. September offers stunning fall colors and fewer crowds, though weather becomes more variable and some businesses start closing. May can be gorgeous but many services don't open until Memorial Day. Avoid October through April unless you're into extreme winter sports and don't mind most attractions being shuttered.