August 2015 Global Climate Report

August 2015 Global Temperature Percentiles Map

The globally averaged temperature over land and ocean surfaces for August 2015 was the warmest August on record, 1.58°F warmer than the 20th century average, and surpassing the previous record set in 2014 by 0.16°F (0.09°C). August 2015 tied with January 2007 as the third warmest monthly highest departure from average for any month since record keeping began in 1880. The combined global average land and ocean surface temperature for January–August was also record warm.

This monthly summary, developed by scientists at NOAA's National Centers for Environmental Information is part of the suite of climate services NOAA provides to government, business, academia, and the public to support informed decision making.