Beihai enjoys a nice subtropical marine monsoon climate. Its average temperature is 22.9 centigrade while the highest is 37.1 centigrade and the lowest is 2 centigrade. Its annual precipitation is 1670 mm . Its annual sunshine is 2009 hours a year with average sun divergence of 111 kilocalories/sq.centimeter annually. Generally, force 10 typhoon and above comes 6 times every 10 years.