In which months are the roads icy in Seda?

The altitude of Sedar County is 3,880 meters, and the highest altitude of Larung Gar Buddhist College in Sedar is about 4,000 meters. If starting from Chengdu, the route is: Chengdu - Expressway - Wenchuan County - National Highway G317 - Li County, Markang, Wengda Town in Seda County - National Highway G548 - Seda Larung Gar Buddhist College, Seda County, except for extreme cases In addition to the weather, generally from December to February of the following year, some roads above an altitude of 3,000 meters may be icy.

Note: On New Year’s Day in 2018, I drove to Hongyuan County (the county seat is at an altitude of 3,500 meters). After driving out of the Partridge Mountain Tunnel, some roads became icy, mainly due to cooling water dripping from large trucks. of. The Suomo River in Hongyuan County also froze, but there was not much ice on the road because road workers cleared the snow from the road.