Taking the local weather in Copper Mountain into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually July and August, with an average temperature of 9°C, while the coldest months are January and December, with an average of -11°C. The snowiest months in Copper Mountain are March, February, January and December, with each month seeing an average of 82 cm of snowfall.