Other facts from our historical weather data: Which months have the greatest rainfall in Kaeng Khoi? Most rainfall (rainy season) is seen in June, July, August, September and October. Does Kaeng Khoi have a dry season? Yes, the months of January, February and December are very dry. Which is the hottest month in Kaeng Khoi? 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 Kaeng Khoi? The coolest month is December with an average maximum temperature of 33°C (91°F). Which is the wettest month in Kaeng Khoi? September tops the wettest month list with 271mm (10.7 in) of rainfall. Which is the driest month in Kaeng Khoi? 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.