Other facts from our historical weather data: Which months have the greatest rainfall in Dewās? Most rainfall (rainy season) is seen in July and August. Which is the wettest month in Dewās? July tops the wettest month list with 352mm (13.9 in) of rainfall. Which is the driest month in Dewās? April is the driest month with 4mm (0.2 in) of precipitation. Which is the sunniest month in Dewās? May is the sunniest month with an average of 327 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.