Heat Killed 21 New Yorkers Last Year. It’s the Highest Tally in a Decade.

In 2025, 21 New Yorkers died directly from heat, the highest number in a decade, with most deaths occurring on days with temperatures between 82 and 94 degrees. Vulnerable groups included those aged 60 or older, Black or Latino residents, and individuals in poverty, while 490 annual deaths are linked to heat exacerbating conditions like heart disease.