Planning for the weather is a good way to make your trip to Betong relaxing and enjoyable, especially when you’re splurging. The hottest months are usually March and February, with an average temperature of 26°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Betong are November, October, May and April, with each month seeing an average of 315 mm of rainfall.