Weather is probably a major factor when you plan your trip to Roosevelt, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 63°F, while the coldest months are January and February with an average of 14°F. The snowiest months in Roosevelt are April, January, March, and October, with each month seeing an average of 10 inches of snowfall.