Other facts from our historical weather data: When is the rainy season in Chengel? Rainy season in Chengel occurs in the months of June, July, August and September. Does Chengel have a dry season? Yes, the months of January and December are very dry. Which is the wettest month in Chengel? July tops the wettest month list with 346mm (13.6 in) of rainfall. Which is the driest month in Chengel? December is the driest month with 11mm (0.4 in) of precipitation. Which is the sunniest month in Chengel? April is the sunniest month with an average of 241 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.