Last month was the hottest since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said in its monthly report.
The combined average temperature over global land and ocean surfaces for August 2015 was 0.88 degrees Celsius above the 20th century average of 15.6 degrees Celsius, surpassing the previous record set in 2014 by 0.09 degrees Celsius, according to the NOAA report released this week.
The month also tied with January 2007 as the third warmest monthly highest departure from average for any month in the 136-year record, it said.
During the month, record warmth was observed across South America and parts of Europe, Asia, and Africa. South America, Europe, and Africa experienced their warmest August average temperature since 1910.