Dunhuang, being surrounded by high mountains, has an arid, continental climate. The annual average temperature is 9.48 °C (49.1 °F), but the monthly daily mean temperature ranges from 24.6 °C (76.3 °F) in July down to −8.3 °C (17.1 °F) in January. The city is extremely hot in summer and cold in winter, and usually has sharp temperature differences between day and night. Precipitation occurs only in trace amounts and quickly
