Stalowa Wola experiences a moderate climate with cold winters and warm summers. January and February are the coldest months, with temperatures often below freezing point, averaging around -1°C. Spring brings mild temperatures, gradually warming up from March to May, with April being particularly pleasant, averaging 6°C. Summer is warm, with June and July being the warmest months, reaching highs of up to 34°C in June. Autumn is relatively cool, with temperatures dropping back down to around freezing point by November.