Guyuan's climate is characterized by mild winters and cool summers. Spring arrives in late March with temperatures slowly warming up from around 8°C to a high of 16°C, averaging 12°C. Summer months are relatively cool, with average highs ranging from 22°C to 25°C. Autumn brings a slight drop in temperature, with averages dipping to around 15°C by November. Winters are typically chilly, with temperatures occasionally dropping below freezing, but rarely remaining below 0°C for extended periods.