{"id":130,"date":"2026-05-21T14:04:58","date_gmt":"2026-05-21T14:04:58","guid":{"rendered":"https:\/\/phoenixrelocationnews.com\/?p=130"},"modified":"2026-05-21T14:04:58","modified_gmt":"2026-05-21T14:04:58","slug":"2-valley-locales-among-u-s-cities-with-highest-summer-heat-risk","status":"publish","type":"post","link":"https:\/\/phoenixrelocationnews.com\/?p=130","title":{"rendered":"2 Valley locales among U.S. cities with highest summer heat risk"},"content":{"rendered":"
\n

Summer is around the corner. Are you ready? According to a new study, Arizona\u2019s three largest cities may not be.<\/p>\n

Read more Supervisors blast Heap for \u2018felony\u2019 threat before routine drop box vote<\/a><\/p>\n

A new analysis by cabinet manufacturing company Highland Cabinetry sought to determine the level of summer heat risk faced by the 70 largest U.S. cities. As anyone who has lived here for a full calendar year might expect, Arizona was well-represented at the top of the rankings. All three Arizona cities to make the study\u2019s population cut \u2014 Mesa, Phoenix and Tucson \u2014 landed among the top 10 municipalities facing the most risk from rising summer temperatures.<\/p>\n

To determine its rankings, Highland Cabinetry weighed factors for each city such as the average summer temperature, the percentage of households with air conditioning, the percentage of summer days with extreme heat and the extent of tree coverage. Drawing from a variety of data sources \u2014 including the Census Bureau, the National Oceanic and Atmospheric Administration and the Centers for Disease Control and Prevention \u2014 the study crunched those numbers into an overall heat \u201cunderpreparedness\u201d score.<\/p>\n

Mesa and Phoenix ranked as the third- and fourth-most underprepared American cities, with an underpreparedness score of 97 out of 100. (It\u2019s not clear if the two cities tied or if Mesa edged out Phoenix by a fraction of a point.) The two cities have the highest average summer temperature of any city in the study, at 93 degrees. Each also has tree canopy scores around 90%, meaning that only 10% of each city has enough shade from trees. However, both fared well on air conditioning, with Mesa at 99.1% adoption and Phoenix at 97.1%.<\/p>\n

\u201cMesa ranks in the99th percentile\u00a0for heat vulnerability nationwide, driven by an aging population, high rates of chronic disease, and very little tree canopy,\u201d the study said about the suburb of just more than 500,00 people. The study also noted that while \u201cPhoenix has invested in cooling centers and public outreach,\u201d the unrelenting heat means \u201cbodies never get a chance to recover overnight.\u201d<\/p>\n

Read more Arizona executes Leroy McGill, convicted murderer and arsonist<\/a><\/p>\n

Tucson ranked ninth on the list, ahead of El Paso and after Fresno, California. It has a lower average summer temperature than its central Arizona counterparts \u2014 85 degrees \u2014 but was dinged for its even worse tree coverage, with less than 4% of the city having enough shade.<\/p>\n

\n

The cities most at risk for summer heat, per the study, were both in Nevada: Las Vegas and its suburb, Henderson.<\/p>\n

Here\u2019s the top 10 ranking.<\/p>\n

1. Las Vegas, Nevada
2. Henderson, Nevada
3. Mesa, Arizona<\/strong>
4. Phoenix, Arizona<\/strong>
5. Bakersfield, California
6. San Antonio, Texas
7. Fort Worth, Texas
8. Fresno, California
9. Tucson, Arizona<\/strong>
10. El Paso, Texas<\/p>\n

Read more ASU president wants his Gaza protester lawsuit deposition kept hidden<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Phoenix, Mesa and Tucson ranked among the U.S. cities that are most unprepared for rising summer temperatures, per a new study.<\/p>\n","protected":false},"author":1,"featured_media":129,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-weather"],"yoast_head":"\n2 Valley locales among U.S. cities with highest summer heat risk - Phoenix Relocation News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/phoenixrelocationnews.com\/?p=130\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2 Valley locales among U.S. cities with highest summer heat risk - Phoenix Relocation News\" \/>\n<meta property=\"og:description\" content=\"Phoenix, Mesa and Tucson ranked among the U.S. cities that are most unprepared for rising summer temperatures, per a new study.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/phoenixrelocationnews.com\/?p=130\" \/>\n<meta property=\"og:site_name\" content=\"Phoenix Relocation News\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-21T14:04:58+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/#\\\/schema\\\/person\\\/b18a6d477e57bdeec7b4b61a70eace7b\"},\"headline\":\"2 Valley locales among U.S. cities with highest summer heat risk\",\"datePublished\":\"2026-05-21T14:04:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130\"},\"wordCount\":463,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/3607216cd3ac94605ffb0392e7ea52e3.webp\",\"articleSection\":[\"Weather\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130\",\"url\":\"https:\\\/\\\/phoenixrelocationnews.com\\\/?p=130\",\"name\":\"2 Valley locales among U.S. cities with highest summer heat risk - 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