Winters in Kedzierzyn-Kozle are harsh, with temperatures often dropping below -20°C and averaging around freezing point. As the seasons transition into spring, temperatures gradually rise, reaching up to 23°C in March and 24°C in April. Summer months bring warmth, with July being the warmest month, though temperatures remain relatively stable throughout the summer season, ranging from 11°C to 32°C. Autumn is a cool period, with temperatures decreasing again, but still averaging around 5-10°C by October. In winter, temperatures drop back down to -20°C on average, while December is particularly cold.