Planning for the weather is a good way to make your trip to Nalagarh relaxing and enjoyable, especially when you’re splurging. The hottest months are usually June and May with an average temp of 82°F, while the coldest months are January and December with an average of 57°F. The rainiest months in Nalagarh are July, August, September, and January, with each month seeing an average of 8 inches of rainfall.