Based on the weather in Charbin, Heilongjiang, China as of October 24, 2016 1:49am local time

Why? Because it's colder than a polar bear's pyjamas
Current Conditions
Mostly Cloudy
Temp: 30.2°F-1°C
Wind: 3.4 MPH5.5 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes