This moisture occurs in every form at Acadia. Ice storms are regular in winter and early spring, and rain is frequent in every month. Fog is common during June, July and August. Spring can be foggy with temperatures ranging between 30 and 70 degrees. Blackflies are common in late May and June.
Mosquitoes can also be bothersome.
Wear light-colored clothing, long sleeve shirts and long pants for protection. Annual rainfall is 48 inches. Summer daytime temperatures range from 45 to 90 degrees. Evenings are cooler. Dressing in layers is advisable for any boating or hiking activities.