Planning for the weather is an important factor for making your trip to Weissensee a success, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 15°C, while the coldest months are January and February, with an average of 0°C. The rainiest months in Weissensee are November, August, May and June, with each month seeing an average of 244 mm of rainfall.