Winters in Jaworzno are cold, with January and December temperatures often dropping below freezing point, averaging around -1°C and 0°C respectively. Spring is a gradual warming period, with March and April temperatures rising steadily from an average of 3°C to 6°C. Summers are warm, with June and July being the hottest months, averaging around 19°C and 21°C respectively. Autumn brings mild temperatures, ranging from 5°C in November to 9°C in October, before cooling down again for winter.