If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Palampur: The hottest months are usually June and May with an average temp of 88°F, while the coldest months are January and December with an average of 60°F. The rainiest months in Palampur are July, August, September, and June, with each month seeing an average of 8 inches of rainfall.