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 Verwaltungsgemeinschaft Hörnergruppe: The hottest months are usually July and August, with an average temperature of 16°C, while the coldest months are January and February, with an average of 0°C. The rainiest months in Verwaltungsgemeinschaft Hörnergruppe are August, May, June and July, with each month seeing an average of 186 mm of rainfall.