Other facts from our historical weather data: Which months have the greatest rainfall in Ban Rong Saeng (1)? Most rainfall (rainy season) is seen in May, June, July, August, September and October. Does Ban Rong Saeng (1) have a dry season? Yes, the months of January, February and December are very dry. Which is the hottest month in Ban Rong Saeng (1)? April has an average maximum temperature of 37°C (99°F) and is the hottest month of the year. Which is the coolest month in Ban Rong Saeng (1)? The coolest month is December with an average maximum temperature of 33°C (91°F). Which is the wettest month in Ban Rong Saeng (1)? September tops the wettest month list with 290mm (11.4 in) of rainfall. Which is the driest month in Ban Rong Saeng (1)? December is the driest month with 8mm (0.3 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.