Dramas/movies set in winter

• While You Were Sleeping 
• Are You Human Too? 
• Our Winter 
• Dong Lan Xue 
• Healer 
• Ever Night  (some of it)
• Listening Snow Tower 
• New Life Begins (some of it)
• Painted Skin: The Guo Jingming Edition 
• The Blue Whisper: Part 2 
• Warm on a Cold Night (has sort of a winter feel)
• Horimiya 
• Kitchen for Singles (takes place indoors but has a cozy, wintery sort of feel)

There's actually a few tags you can search for this: Winter Setting | Snowy Setting |

I recommend:

Dong Lan Xue 
When The Weather is Fine
Nv Er Hong

Yuru Camp△