The seasonal anomaly of the global average surface temperature in Summer (June to August) 2016 (i.e. the average of the near-surface air temperature over land and the SST) was +0.43°C above the 1981-2010 average (+0.77°C above the 20th century average), and was the warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.68°C per century.
1st. 2016(+0.43°C), 2nd. 2015(+0.42°C), 3rd. 2014(+0.32°C), 4th. 1998(+0.28°C), 5th. 2012,2010(+0.23°C)