Planning for the weather is an important factor for making your trip to Gruenhain-Beierfeld a success, especially when you're splurging. The hottest months are usually August and July with an average temp of 57°F, while the coldest months are February and January with an average of 29°F. The snowiest months in Gruenhain-Beierfeld are December, November, January, and February, with each month seeing an average of 13 inches of snowfall.