Kielce's climate is characterized by cold winters with temperatures often below freezing, averaging around -2°C in January and February. Spring arrives in March, bringing warmer days with temperatures occasionally reaching up to 21°C, but still quite cool overall. Summer months of June, July, and August are warm, with average highs ranging from 19°C to 21°C, although occasional heatwaves can push temperatures into the mid-30s. Autumn is mild, with September being the warmest month of the season, while winter returns in December with temperatures dropping below freezing once more.