Getting an idea of what to expect from the weather in Gyeiktaw will help you enjoy your stay to the fullest. The hottest months are usually April and May, with an average temperature of 26°C, while the coldest months are January and February, with an average of 23°C. The rainiest months in Gyeiktaw are July, June, August and September, with each month seeing an average of 789 mm of rainfall.