New data reveals that extreme heat was evident in nearly all U.S. states this past summer.
Climate Central gathered data from all 50 states from June through August, calculating each state’s average temperatures and "Climate Shift Index," which indicates how climate change has altered the frequency of daily temperatures in any location around the world, every day.
1 in 5 people on planet felt climate change influence
By the numbers:
According to Climate Central, at least one in five people on the planet felt a strong climate change influence every day from June to August 2025.
Cities in Europe and Asia topped the list of locations where the average person experienced the most unusual heat this season.
Utah had highest temperature difference from normal
Dig deeper:
In 48 U.S. sta