Other facts from our historical weather data: When is the rainy season in Tbeng Meanchey? Rainy season in Tbeng Meanchey occurs in the months of May, June, July, August, September and October. Does Tbeng Meanchey have a dry season? Yes, the months of January, February and December are very dry. Which is the hottest month in Tbeng Meanchey? March has an average maximum temperature of 37°C (99°F) and is the hottest month of the year. Which is the coolest month in Tbeng Meanchey? The coolest month is December with an average maximum temperature of 32°C (90°F). Which is the wettest month in Tbeng Meanchey? September tops the wettest month list with 314mm (12.4 in) of rainfall. Which is the driest month in Tbeng Meanchey? January 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.