Taking into account the local weather in Goodman is an important factor for planning your visit, especially if you plan to spend your trip poolside. 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 21°F. The snowiest months in Goodman are January, March, May, and April, with each month seeing an average of 6 inches of snowfall.