If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Ridgeway: The hottest months are usually July and August with an average temp of 54°F, while the coldest months are January and December with an average of 21°F. The snowiest months in Ridgeway are December, February, November, and March, with each month seeing an average of 22 inches of snowfall.