Climate change makes heatwaves hotter and more frequent. This is the case for most land regions, and has been confirmed by the U.N.’s global panel of climate scientists (IPCC).
“Every heatwave that what we are experiencing today has been made hotter and more frequent because of climate change,” said Friederike Otto, a climate scientist at Imperial College London who also co-leads the World Weather Attribution research collaboration.
https://www.insurancejournal.com/news/international/2022/07/21/676810.htm