Planning for the weather is a good way to make your trip to Mühlbach relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 10°C, while the coldest months are January and February, with an average of -6°C. The rainiest months in Mühlbach are August, July, June and May, with each month seeing an average of 242 mm of rainfall.