Yes

Based on the weather in Thessaloniki Airport Makedonia (SKG), EO Aerodromiou Thessalonikis, Thessaloniki 551 03, Greece as of November 25, 2017 11:09am local time

Why? Because it's not very warm out.
Current Conditions
Clear
Temp: 54.5°F12.5°C
Wind: 1 MPH1.6 KPH
Precipitation: None