Taking into account the local weather in Gannan Tibetan can help you maximize your time at the pool during your trip. The hottest months are usually July and August with an average temp of 51°F, while the coldest months are January and December with an average of 19°F. The snowiest months in Gannan Tibetan are March, April, February, and May, with each month seeing an average of 6 inches of snowfall.