Planning for the weather is an important factor for making your trip to Filzmoos a success, especially when you’re splurging. The hottest months are usually August and July, with an average temperature of 12°C, while the coldest months are January and February, with an average of -4°C. The rainiest months in Filzmoos are May, June, July and August, with each month seeing an average of 229 mm of rainfall.