Record-setting heat in 2025 creates warmest year in Arizona

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In the last year, Earth logged it’s third-warmest year while the United States experienced its fourth-warmest year. Phoenix felt 2025’s record-setting heat more than most cities.

The Valley of the Sun faced its second-warmest year, according to the National Weather Service.

The significance about the record-setting temperatures in every county throughout Arizona had one of its warmest years on record, according to 131 years of observation.

Six of those counties – Coconino, Graham, Mohave, Pinal, Pima and Yavapai – logged their warmest years yet while the remaining counties ranked within the top four.

Randy Cerveny, a Climatologist at Arizona State University, joined “Arizona Horizon” to discuss the impact these record-breaking statistics will have across Arizona.

Randy Cerveny, Climatologist, Arizona State University

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