According to NOAA, August 2016 was the warmest August in the 137-year period of record.
This is the 16th consecutive record-breaking month.
June, July, and August are the 3 months of meteorological summer in the northern hemisphere, and meteorological winter in the southern hemisphere.
In 2016, the June–August seasonal global land and ocean temperature was 0.89°C above the 20th century average of 15.6°C
This was the highest temperature departure from average for June–August in the 1880–2016 record, passing the previous record set in 2015 by 0.04°C.