Weather will likely play an important role when you plan your trip to Spruce Head, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 63°F, while the coldest months are January and February with an average of 31°F. The snowiest months in Spruce Head are January, March, December, and February, with each month seeing an average of 7 inches of snowfall.