Taking the local weather in Nyingtri into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 12°C, while the coldest months are January and December, with an average of -4°C. The rainiest months in Nyingtri are June, July, September and May, with each month seeing an average of 710 mm of rainfall.