Taking into account the local weather in Ma-Me-O Beach can help you maximize your time at the pool during your trip. The hottest months are usually July and August with an average temp of 59°F, while the coldest months are February and December with an average of 16°F. The snowiest months in Ma-Me-O Beach are January, March, December, and February, with each month seeing an average of 5 inches of snowfall.