Based on the weather in Aberdeen, Aberdeen City, United Kingdom as of May 6, 2016 12:47am local time

Why? Because it's cold. simple as that.
Current Conditions
Mostly Cloudy
Temp: 47.3°F8.5°C
Wind: 4.7 MPH7.5 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes