Climate Here’s how 2023 became the hottest year on record The year was marked by record-high temperatures, record-low Antarctic sea ice and wildfires A person tries to cool off with a splash of water on July 16 in Phoenix, amid a 31-day streak of daytime temperatures in the city reaching at least 43° Celsius (110° Fahrenheit). Brandon Bell/Getty Images News Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Carolyn Gramling and Nikk Ogasa December 6, 2023 at 10:00 am This year didn’t just shatter records. It changed the scales.