Tatebayashi experiences cold winters with temperatures often below freezing, averaging around 4°C in January and 6°C in February. As spring arrives, temperatures rise gradually, reaching averages of 11°C in March and 14°C in April. Summer months bring warm to hot weather, with July being the hottest month, averaging 26°C, while August's average is slightly lower at 27°C. Autumn brings a return to milder temperatures, with September and October averages ranging from 15°C to 22°C. Winters are cold again, with December's average temperature mirroring February's at around 6°C.