Other facts from our historical weather data: When is the rainy season in Kinmun? Rainy season in Kinmun occurs in the months of May, June, July, August, September and October. Does Kinmun have a dry season? Yes, the months of January, February, March and December are very dry. Which is the hottest month in Kinmun? 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 Kinmun? The coolest month is January with an average maximum temperature of 31°C (88°F). Which is the wettest month in Kinmun? July tops the wettest month list with 706mm (27.8 in) of rainfall. Which is the driest month in Kinmun? February is the driest month with 4mm (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.