Erdenet's climate is characterized by cold winters and mild summers. Spring brings a gradual warming trend, with temperatures fluctuating between -20°C in February and 10°C in May. Summer months are relatively warm, with July highs reaching around 23°C, but cooling down to 13°C at night. Autumn sees a rapid decline in temperature, dropping from 15°C in September to -2°C by November. Winters are harsh, with temperatures often below -20°C for prolonged periods.