Other facts from our historical weather data: When is the rainy season in Chŏng Chéach? Rainy season in Chŏng Chéach occurs in the months of May, June, July, August, September and October. Does Chŏng Chéach have a dry season? Yes, the months of January and February are very dry. Which is the hottest month in Chŏng Chéach? 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 Chŏng Chéach? The coolest month is January with an average maximum temperature of 32°C (90°F). Which is the wettest month in Chŏng Chéach? September tops the wettest month list with 320mm (12.6 in) of rainfall. Which is the driest month in Chŏng Chéach? January is the driest month with 12mm (0.5 in) of precipitation. Which is the sunniest month in Chŏng Chéach? March is the sunniest month with an average of 278 hours of sunshine. 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.