Taking into account the local weather in Clifton 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 67°F, while the coldest months are January and December with an average of 24°F. The snowiest months in Clifton are January, February, December, and March, with each month seeing an average of 12 inches of snowfall.