The Climate in 2021
2021 ranked as the fourth-warmest year on record in US history
For 2021, the average contiguous U.S. temperature was 54.5°F, 2.5°F above the 20th-century average and ranked as the fourth-warmest year in the 127-year period of record. The six warmest years on record have all occurred since 2012. There were 20 separate billion-dollar weather …