Other facts from our historical weather data: Which is the warmest month in La Salle Les Alpes? August has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in La Salle Les Alpes? The coldest month is January with an average maximum temperature of -4°C (25°F). Which is the wettest month in La Salle Les Alpes? November tops the wettest month list with 126mm (5 in) of rainfall. Which is the driest month in La Salle Les Alpes? August is the driest month with 71mm (2.8 in) of precipitation. Which is the sunniest month in La Salle Les Alpes? July is the sunniest month with an average of 288 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.