-30°C is an exaggeration. If you don't live in the mountains there are usually a couple of weeks with sub-zero temperatures here; I use a ski mask when it gets

-30°C is an exaggeration. If you don't live in the mountains there are usually a couple of weeks with sub-zero temperatures here; I use a ski mask when it gets really cold. That helps a lot with the cold head winds. I absolutely always ride my bike to work (5km each way) in southern Germany, and I kinda agree with the GP ;)