Weather is probably a major factor when you plan your trip to Port Elgin, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 64°F, while the coldest months are February and January with an average of 26°F. The snowiest months in Port Elgin are January, February, December, and November, with each month seeing an average of 23 inches of snowfall.