what opens early on a low season morning in berlin?

Outside the peak May to October season, temperatures in Berlin range from 2.7°C in January to 6°C in November. If you arrive early via BER airport, starting your first morning around central landmarks is practical. You can explore Museum Island to view Berlin Cathedral and the Pergamon Museum, or head over to Potsdamer Platz. Berlin Zoo is another top attraction to keep on your list for the day.