Dear Ling:
Warmly greetings from Top China Travel! Many thanks for your enquiry and trust to us!
I am Lily, the sales reprehensive of TCT. It is my pleasure to assist your trip to China in next Jan.
Pls kindly be advised that it is below 5℃ at Shagnri-la at the end of Jan, I think too cold for you.
And for the hotels in Shangri-la, 3 star hotels only can offer room with electric blanket carpet, no air condition. 4 star hotel offer AC room, both 3 and 4 star hotels offer hot water in the evening, only 5 star hotels offer 24 hours hot water.
Many thanks &