Belchatow's winters are harsh, with temperatures often dropping below -20°C in January and February. As spring arrives, temperatures slowly rise, reaching averages around 3-6°C by March and April. Summer brings warm days, with July being the warmest month, averaging around 21°C, while August is slightly cooler at 17°C. Autumn is mild, with September and October temperatures ranging from 3-25°C, before dropping again in November and December.