Weather will likely play an important role when you plan your trip to Eben am Achensee, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 58°F, while the coldest months are January and February with an average of 30°F. The rainiest months in Eben am Achensee are June, August, May, and July, with each month seeing an average of 10 inches of rainfall.