Planning for the weather is an important factor for making your trip to Bad Haering 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 -1°C. The rainiest months in Bad Haering are May, June, July and August, with each month seeing an average of 197 mm of rainfall.