Climate As is typical of the Alaska Interior, Healy experiences a subarctic climate (Köppen Dfc) with very long, bitterly cold winters and short, warm summers, and straddles the border between USDA Plant Hardiness Zone 2 and 3, indicating the coldest temperature of the year is typically around . Average temperatures are below freezing from early October to mid-April, though occasionally chinook winds will push temperatures up to even in the depths of winter.
climate as is typical of the alaska interior healy experiences a subarctic climate (köppen dfc) with very long bitterly cold winters and short warm summers and straddles the border between usda plant hardiness zone 2 and 3 indicating the coldest temperature of the year is typically around  average temperatures are below freezing from early october to mid-april though occasionally chinook winds will push temperatures up to even in the depths of winter