Other facts from our historical weather data: When is winter in Valloire? The coldest season / winter is in the following months: January, February, November and December. Which is the warmest month in Valloire? August has an average maximum temperature of 19°C (66°F) and is the warmest month of the year. Which is the coldest month in Valloire? The coldest month is January with an average maximum temperature of -2°C (28°F). Which is the wettest month in Valloire? June tops the wettest month list with 137mm (5.4 in) of rainfall. Which is the driest month in Valloire? March is the driest month with 107mm (4.2 in) of precipitation. Which is the sunniest month in Valloire? 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.