Ilkeston's winters are cool and occasionally cold, with temperatures often below freezing but rarely dropping below -5C. As spring arrives, temperatures rise steadily, reaching average highs around 15-20C by May. Summer is warm but not hot, with July typically being the warmest month at an average of 16C, although occasional heatwaves can push temperatures into the mid-to-high twenties. Autumn sees a gradual cooling trend, with temperatures dropping back towards winter levels by November. Mild and chilly spells are common throughout the year, with minimal extreme temperature fluctuations.