Weather will likely play an important role when you plan your trip to Buffalo, 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 December with an average of 24°F. The snowiest months in Buffalo are April, February, October, and March, with each month seeing an average of 8 inches of snowfall.