Other facts from our historical weather data: Which months have the greatest rainfall in La Léchère? Most rainfall (rainy season) is seen in May, June and December. When is winter in La Léchère? The coldest season / winter is in the following months: January, February and December. Which is the warmest month in La Léchère? July has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in La Léchère? The coldest month is January with an average maximum temperature of -1°C (30°F). Which is the wettest month in La Léchère? December tops the wettest month list with 160mm (6.3 in) of rainfall. Which is the driest month in La Léchère? October is the driest month with 115mm (4.5 in) of precipitation. Which is the sunniest month in La Léchère? July is the sunniest month with an average of 262 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.