Taking the local weather in Peillonnex 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 July and August, with an average temperature of 13°C, while the coldest months are January and February, with an average of -2°C. The rainiest months in Peillonnex are December, May, July and June, with each month seeing an average of 190 mm of rainfall.