Other facts from our historical weather data: Which months have the greatest rainfall in Ban Doem Bang? Most rainfall (rainy season) is seen in May, August, September and October. Does Ban Doem Bang have a dry season? Yes, the months of January, February and December are very dry. Which is the hottest month in Ban Doem Bang? April has an average maximum temperature of 39°C (102°F) and is the hottest month of the year. Which is the coolest month in Ban Doem Bang? The coolest month is January with an average maximum temperature of 33°C (91°F). Which is the wettest month in Ban Doem Bang? September tops the wettest month list with 263mm (10.4 in) of rainfall. Which is the driest month in Ban Doem Bang? December is the driest month with 11mm (0.4 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.