Munich is close to the Alps. It's got an oceanic local climate (Cfb) in the Köppen climate classification. Once-a-year variation in temperature can be significant, since there aren't any huge bodies of water nearby. The Wintertime in Munich is normally chilly and overcast, and many Munich winters have major snow. https://tituskrvzd.illawiki.com/795456/details_fiction_and_robert_strobel