The monthly anomaly of the global average surface temperature in January 2017 (i.e. the average of the near-surface air temperature over land and the SST) was +0.39°C above the 1981-2010 average (+0.78°C above the 20th century average), and was the 2nd warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.76°C per century.
1st. 2016(+0.52°C), 2nd. 2017(+0.39°C), 3rd. 2015,2007,2002(+0.29°C)