Planning for the weather is a good way to make your trip to Chalermphrakiet relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and March, with an average temperature of 25°C, while the coldest months are January and December, with an average of 19°C. The rainiest months in Chalermphrakiet are August, July, September and June, with each month seeing an average of 284 mm of rainfall.