If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Pelling: The hottest months are usually June and August, with an average temperature of 19°C, while the coldest months are January and December, with an average of 11°C. The rainiest months in Pelling are July, June, August and May, with each month seeing an average of 950 mm of rainfall.