If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Machiasport: The hottest months are usually August and July with an average temp of 61°F, while the coldest months are January and February with an average of 29°F. The snowiest months in Machiasport are January, February, December, and March, with each month seeing an average of 15 inches of snowfall.