The Earth had its hottest May ever. 2020 is set to be among the hottest 10 years ever.

  • It’s virtually certain that this year will be among the top hottest years in recorded history with a higher than 98% likelihood it will rank in the top five according to the National Oceanic and Atmospheric Administration.
  • The most above-average temperatures were recorded over parts of Siberia — where temperatures were up to 10 degrees Celsius above average — as well as Alaska and Antarctica.
  • Globally, May was 0.63 degrees Celsius (about 1.1 degrees Fahrenheit) warmer than the average May recorded from 1981 to 2010.
  • 2019 was the second-hottest year ever, capping off the world’s hottest decade in recorded history.