If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Khuan Lang: The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in Khuan Lang are November, December, October and May, with each month seeing an average of 308 mm of rainfall.