Qinhuangdao experiences mild winters with average temperatures ranging from -1 to 6°C in January and February. Spring arrives in March with rising temperatures, reaching up to 18°C by May. Summer brings warm days with highs around 28-30°C in July and August, while autumns are relatively cool with temperatures dipping to 10-15°C in October and November. Winters see occasional cold snaps, but overall remain mild, often above freezing, with minimal precipitation during the driest months of January and February.