1月20日是大寒。因为这个节气前后常是一年里最冷的时期,所以取名“大寒”。大寒这天,我省各地白天时间约为9小时40分。全省由南到北,节气平均气温为零下4～14℃。这期间,寒潮经常侵入我省,北风多,降雪少,除丹东地区能达到6毫米左右外,其它地区平均只有1～3毫米。 January 20 is big cold. Because before and after this solar term is often the coldest of the year, so named “big cold.” Big cold this day, throughout the province about 9 hours and 40 minutes during the day. The province from south to north, the average annual temperature is minus 4 ~ 14 ℃. During this period, the cold often invaded our province, the north wind and more, less snow, except Dandong can reach about 6 mm, the other regions on average only 1 to 3 mm.