In January there are a lot of Erasmus students arriving to Brno. I should know, I was an Erasmus student once. I went to Poland, but I believe I can still share some valuable information about spending a semester abroad.
Public transportation is essential while living in Prague. You can get a single ride pass or a day pass from any vending kiosk, but if you’re in the city for a long time, you’re going to want to apply for OpenCard.