Medieval Warm Period

time of warm climate in the North Atlantic region lasting from c. 950 to c. 1250

The Medieval Warm Period (MWP) or Medieval Climate Optimum was a time of unusually warm climate in the North Atlantic region. It lasted from about the tenth century to about the fourteenth century. In discussions of global warming this period is often mentioned.

Northern Hemisphere temperature reconstructions for the past 2000 years.

Some refer to the event as the Medieval Climatic Anomaly because this term emphasizes that effects other than temperature were important.[1]

Related pagesEdit


  1. Bradley, Raymond S. Climate System Research Center. "Climate of the Last Millennium." 2003. February 23, 2007. [1]

Further readingEdit

  • M.K. Hughes and H.F. Diaz, "Was there a 'Medieval Warm Period?", Climatic Change 26: 109-142, March 1994

Other websitesEdit