Other facts from our historical weather data: When is the rainy season in Mawlamyine? Rainy season in Mawlamyine occurs in the months of May, June, July, August, September and October. Does Mawlamyine have a dry season? Yes, the months of January, February and December are very dry. Which is the hottest month in Mawlamyine? April has an average maximum temperature of 36°C (97°F) and is the hottest month of the year. Which is the coolest month in Mawlamyine? The coolest month is January with an average maximum temperature of 31°C (88°F). Which is the wettest month in Mawlamyine? July tops the wettest month list with 794mm (31.3 in) of rainfall. Which is the driest month in Mawlamyine? February is the driest month with 6mm (0.2 in) of precipitation. 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.