If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Schwarzenberg/Erzgeb.: The hottest months are usually August and July, with an average temperature of 14°C, while the coldest months are February and January, with an average of -2°C. The snowiest months in Schwarzenberg/Erzgeb. are December, November, January and February, with each month seeing an average of 32 cm of snowfall.