If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Northport: The hottest months are usually August and July with an average temp of 64°F, while the coldest months are February and January with an average of 27°F. The snowiest months in Northport are January, February, March, and November, with each month seeing an average of 14 inches of snowfall.