Hegang's climate is characterized by cold winters with temperatures often below freezing, while springs are cool and gradual. The summer months bring mild temperatures, rarely rising above 20°C, with occasional hot spells. Autumn is generally crisp and dry, with a noticeable drop in temperature starting from September. Winters are long and harsh, with frequent snowfall and temperatures frequently dipping to around -10°C or lower. Spring's slow warming trend often begins with March's mild temperatures averaging just 2°C, slowly increasing over the next few months.