Weather is probably a major factor when you plan your trip to Beaver, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and June with an average temp of 59°F, while the coldest months are January and December with an average of -7°F. The snowiest months in Beaver are October, December, November, and April, with each month seeing an average of 13 inches of snowfall.