The past two years have been Australia's coolest since 2001.

Similarly, the years 2010 and 2011 produced the most rain the country has experienced over a two-year period on record.

But according to some of the world's most eminent climate scientists, a couple of years of cooler temperatures and good rains do nothing to defeat the assurances that the world is getting warmer and that droughts, particularly in southern Australia, are bound to become more common and more severe.

In their latest State of the Climate report to be released on Wednesday, researchers from the CSIRO and Bureau of Meteorology (BoM) agree Australia's recent weather phenomena shouldn't cause any revision of the belief that atmospheric environment is in a perilous state and that humanity is the major cause.

"Communicating climate change science is an extremely difficult thing to do," said the BoM's climate monitoring manager Dr Karl Braganza.