Lodz, Poland experiences a moderate continental climate with significant seasonal variations. Winters are cold and frosty, with temperatures often dropping below 0°C, but occasional warmer days can bring temperatures up to 10-18°C in January and February. Spring is mild and gradual, with temperatures rising from around -4°C to 21°C between March and May. Summers are warm and sunny, with average highs reaching up to 32-34°C in June and July, while autumns are relatively cool, with temperatures ranging from 3-24°C between September and November. Frosts return in December, bringing winter's chill back to the city.