Other facts from our historical weather data: Which months have the greatest rainfall in Davos? Most rainfall (rainy season) is seen in May, June, July and August. Which is the warmest month in Davos? July has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Davos? The coldest month is January with an average maximum temperature of -4°C (25°F). Which is the wettest month in Davos? June tops the wettest month list with 181mm (7.1 in) of rainfall. Which is the driest month in Davos? February is the driest month with 89mm (3.5 in) of precipitation. Which is the sunniest month in Davos? July is the sunniest month with an average of 188 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.