Weather is probably a major factor when you plan your trip to Cai Lay Town, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and March, with an average temperature of 28°C, while the coldest months are January and December, with an average of 27°C. The rainiest months in Cai Lay Town are October, September, July and August, with each month seeing an average of 289 mm of rainfall.