Other facts from our historical weather data: When is the rainy season in Sa Kaeo? Rainy season in Sa Kaeo occurs in the months of May, June, July, August, September and October. Does Sa Kaeo have a dry season? Yes, the months of January and December are very dry. Which is the hottest month in Sa Kaeo? 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 Sa Kaeo? The coolest month is January with an average maximum temperature of 32°C (90°F). Which is the wettest month in Sa Kaeo? September tops the wettest month list with 300mm (11.8 in) of rainfall. Which is the driest month in Sa Kaeo? December is the driest month with 7mm (0.3 in) of precipitation. Which is the sunniest month in Sa Kaeo? January is the sunniest month with an average of 283 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.