Taking into account the local weather in Rutheron is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and June with an average temp of 60°F, while the coldest months are January and December with an average of 21°F. The snowiest months in Rutheron are January, March, February, and December, with each month seeing an average of 8 inches of snowfall.