Hami (Kumul) is in a fault depression at 759 m (2,490 ft) above sea level, and has a temperate zone, continental desert climate, with extreme differences between summer and winter, and dry, sunny weather year-round. On average, there is only 43.6 mm (1.72 in) of precipitation annually, occurring on 25 days of the year. With monthly percent possible sunshine ranging from 68% in December to 79% in September and October, the city receives 3,285 hours of bright sunshine annually, making it one of the sunniest nationally. The monthly 24-hour average temperature ranges from −9.8 °C (14.4 °F) in January to 26.8 °C (80.2 °F) in July, while the annual mean is 10.25 °C (50.4 °F). The diurnal temperature variation is typically large, at about an average 15 °C (27 °F) for the year.