According to the National Oceanic and Atmospheric Organization’s most recent State of the Climate report, the June temperature across global land and ocean surfaces was 1.62°F above the 20th century average of 59.9°F. This was the highest for June in the 1880–2016 record, surpassing the previous record set in 2015 by 0.04°F. June 2016 marks the 40th consecutive June with temperatures at least nominally above the 20th century average. June 1976 was the last time June global land and ocean temperatures were below average. June 2016 tied with March 2015 as the ninth highest monthly temperature departure among all months (1,638) on record. Overall, 14 of the 15 highest monthly temperature departures in the record have all occurred since February 2015, with January 2007 representing the one month prior to February 2015.
The year-to-date temperature across global land and ocean surfaces was 1.89°F above the 20th century average of 56.3°F. This was the highest for January-June in the 1880–2016 record, surpassing the previous record set in 2015 by 0.36°F.
For more information see the State of the Climate website.