March was the warmest such month on record for the globe as a whole, according to the Japan Meteorological Agency (JMA), which is one of the centers that keeps tabs on global climate data. The JMA found that global average surface temperatures were 0.56 degrees Fahrenheit (0.31 degrees Celsius) above the 1981 to 2010 average during the month, which beat 2010 to take the top spot.
Seen on: @mashable 
http://mashable.com/2015/04/15/march-warmest-month-global-warming/