haleakala mountain average weather
Average annual rainfall varies from about 400 inches (1,000m) in the high-elevation rain forest above Hana to 10 inches (25 cm) in Kihei, only about 15 minutes apart. Because temperatures drop about 3.2F (1.3C) every 1,000feet (305m), the summit of Haleakala is roughly 32F (13C) cooler than the beaches.