Weather is probably a major factor when you plan your trip to Watson, 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 61°F, while the coldest months are February and January with an average of 7°F. The snowiest months in Watson are March, January, February, and November, with each month seeing an average of 12 inches of snowfall.