The weather is beginning to warm up but the temperature is still low because the ice starts to melt, so long-sleeve shirt, warm sweater and jacket are needed.
Summer: June - Aug
It's Tibet tourism golden time during this 3 months, many kinds of festivals are holding in Tibet such as Ganden Thangka Festival, Shoton Festival and Nagqu Horse Racing Festival, you could still enjoy watching the cleanest view of Mt.Everest and the true face of Mt.Kailash.
Autumn: Sep - Oct
The weather is most comfortable with sunshine in the day during this two months, the landscape is most beautiful as well.
Winter: Nov - Feb
It's considered as tourism low season in Tibet, the weather is getting dry and windy, because of the weather condition and fewer travelers choose to travel to Tibet in winter, but less crowded and tour price would be cheaper than other months.