According to the World Meteorological Organization (WMO), the global average temperature for 2008 was slightly lower than that for the previous years of the 21st century due in part to La Niña.

• 按照世界气象组织，进入21世纪以来，2008年全球平均气温和前几年相比是略微偏低，导致这个现象的部分因素可以归结为拉尼娜。