Weather can make or break a road trip, so here's some data about year-round temperatures in Beaver Creek to help you plan yours: The hottest months are usually July and June, with an average temperature of 12°C, while the coldest months are January and December, with an average of -19°C. The snowiest months in Beaver Creek are April, November, January and October, with each month seeing an average of 35 cm of snowfall.