When you travel with your pet, keeping tabs on the weather can help you make the trip more safe and fun for everyone. The hottest months are usually July and August with an average temp of 59°F, while the coldest months are January and February with an average of 32°F. The rainiest months in Kotschach-Mauthen are November, August, May, and June, with each month seeing an average of 10 inches of rainfall.