Taking into account the local weather in Stollberg/Erzgeb. can help you maximize your time at the pool during your trip. The hottest months are usually August and July with an average temp of 62°F, while the coldest months are January and February with an average of 34°F. The snowiest months in Stollberg/Erzgeb. are December, November, January, and February, with each month seeing an average of 13 inches of snowfall.