February 2016 because warmest month in world history in comparison with 'average temperatures' for the month

http://www.cnn.com/2016/03/17/weather/february-warmest-ever-month/index.html

February of 2015 and February of 2016 appear to be very similar in my neck of the woods.  Both Februarys were warmer than normal, and the grass grew way more than it was supposed to.