Temperatures are lower at higher altitudes; in fact, the three highest mountains of Mauna Kea, Mauna Loa, and Haleakalā often receive snowfall during the winter.
A temperatura diminúe coa altitude e, de feito, as tres montañas máis altas, Mauna Kea, Mauna Loa e Haleakala, cóbrense de neve no inverno.