The wind is cold during the winter season. The wind is cold in the winter season. The wind is cold in winter. The wind is cold during winter. Ack!
Snowfall is actually pretty typical in the state (of Hawaii), though only on the summits of its three largest volcanoes: Mauna Loa and Mauna Kea, on the Big Island, and Haleakala, on Maui.
i ke kau kupulau = in the spring
i ke kau wela = in the summer
i ke kau hāʻulelau = in the fall
i ke kau hoʻoilo = in the winter