Taking the local weather in Mittenwald into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 13°C, while the coldest months are January and February, with an average of -4°C. The rainiest months in Mittenwald are June, August, July and May, with each month seeing an average of 238 mm of rainfall.