Other facts from our historical weather data: Which is the hottest month in Thung Yai? April has an average maximum temperature of 36°C (97°F) and is the hottest month of the year. Which is the coolest month in Thung Yai? The coolest month is January with an average maximum temperature of 32°C (90°F). Which is the wettest month in Thung Yai? October tops the wettest month list with 290mm (11.4 in) of rainfall. Which is the driest month in Thung Yai? February is the driest month with 38mm (1.5 in) of precipitation. Which is the sunniest month in Thung Yai? February is the sunniest month with an average of 215 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.