Winters in Czestochowa are cold, with temperatures often below freezing point, averaging around -1°C in January and 0°C in February. Spring brings a gradual warming trend, with temperatures rising to average highs of 4°C in March and 6°C in April. Summer is warm but not hot, with July being the warmest month, averaging 21°C. Autumn is mild, with temperatures dropping back down to around 10°C by October.