Germantown experiences cold winters with temperatures often below freezing, averaging around 2-7°C in the coldest months of January and February. As spring approaches, temperatures gradually warm up, reaching an average high of around 13-17°C in April and May. Summer months are mild to warm, with temperatures rarely exceeding 36°C, peaking at an average high of 25-26°C in July and August. Autumn brings a return to cooler temperatures, averaging around 8-21°C from September to November. Winters are cold again, with temperatures ranging from -6 to 21°C, similar to the start of the year.