{"id":27,"date":"2024-11-12T21:16:30","date_gmt":"2024-11-12T21:16:30","guid":{"rendered":"https:\/\/globalfutures.asu.edu\/azclimate\/?page_id=27"},"modified":"2026-04-23T12:36:26","modified_gmt":"2026-04-23T12:36:26","slug":"climate","status":"publish","type":"page","link":"https:\/\/globalfutures.asu.edu\/azclimate\/climate\/","title":{"rendered":"Climate of Arizona"},"content":{"rendered":"<div class=\"wp-bootstrap-blocks-container container mb-0 pt-6 pt-xl-12\">\n\t\n<div class=\"wp-bootstrap-blocks-row row justify-content-between\">\n\t\n\n<div class=\"col-12 col-md-7 mb-6\">\n\t\t\t\n\n<p>Arizona\u2019s climate is arid and semi-arid, with average annual precipitation ranging from 3 inches in the southwest at Yuma to around 40 inches in the White Mountains in east-central Arizona. The state\u2019s topography plays a significant role in its climate. <a href=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/Azphys-prov.pdf\">(Arizona\u2019s physiographic regions)<\/a><\/p>\n\n\n\n<p>The southwestern desert is hot, with winter daytime temperatures in the lower 60s and average summer daytime temperatures between 105\u00b0 and 115\u00b0F. Nighttime winter temperatures in the desert can drop slightly below freezing. Higher elevations like Alpine, AZ and Greer, AZ can reach 80\u00b0F in the summer, while winter nights in these locations frequently drop into the 20s. <a href=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/AZTOPO.pdf\">(Arizona\u2019s elevations)<\/a><\/p>\n\n\n\n<p>During June, which is the climatologically driest month (average statewide precipitation approximately 0.30 inches), the daily temperature range (maximum \u2013 minimum) frequently exceeds 40\u00b0F for much of the state.<\/p>\n\n\n\n<h2 class=\"wp-block-heading mt-6\"><strong>Statewide annual temperature<\/strong><\/h2>\n\n\n\n<p>The average long-term statewide annual temperature (1895-2025) is 59.8\u00b0F. Within the 1991-2020 climate normals, the temperature has increased by roughly 0.7\u00b0F per decade, with the <a href=\"\/azclimate\/urban-heat-island\/\">urban heat island<\/a> as a large contributor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"714\" height=\"321\" src=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/state-avgT2021.jpg\" alt=\"\" class=\"wp-image-126\" srcset=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/state-avgT2021.jpg 714w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/state-avgT2021-300x135.jpg 300w\" sizes=\"auto, (max-width: 714px) 100vw, 714px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading mt-6\"><strong>Statewide annual precipitation<\/strong><\/h2>\n\n\n\n<p>The average long-term statewide annual precipitation (1895-2025) is 12.21 inches. Within the 1991-2020 climate normals, the precipitation has decreased by roughly 0.92 inches per decade. Arizona has been in a long-term <a href=\"\/azclimate\/drought\/\">drought<\/a> since 1994.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"714\" height=\"321\" src=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/state-avgPrecip2021.jpg\" alt=\"\" class=\"wp-image-127\" srcset=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/state-avgPrecip2021.jpg 714w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/state-avgPrecip2021-300x135.jpg 300w\" sizes=\"auto, (max-width: 714px) 100vw, 714px\" \/><\/figure>\n\n\t<\/div>\n\n\n\n<div class=\"col-12 col-md-4 mb-6\">\n\t\t\t\t<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"940\" class=\"wp-block-cover__image-background wp-image-128\" alt=\"\" src=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/shutterstock_267144914.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/shutterstock_267144914.jpg 1920w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/shutterstock_267144914-300x147.jpg 300w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/shutterstock_267144914-1024x501.jpg 1024w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/shutterstock_267144914-768x376.jpg 768w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/shutterstock_267144914-1536x752.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-100 has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"background:linear-gradient(88deg,rgb(0,0,0) 1%,rgba(255,255,255,0) 100%)\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\"><div class=\"wp-bootstrap-blocks-container container mb-0\">\n\t\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-bootstrap-blocks-row row mt-4\">\n\t\n\n<div class=\"col-12 col-md-5\">\n\t\t\t\n\n<h2 class=\"wp-block-heading\">Arizona state climate summary<\/h2>\n\n\n\n<p>Visit the site to see the latest state climate summary.<\/p>\n\n\n\n\t<div class=\"uds-button mt-4 mb-4\">\n\n\t\t\t\n\t\t\t<a href=\"https:\/\/statesummaries.ncics.org\/chapter\/az\/\" class=\"btn  btn-maroon \" data-ga=\"State climate summary\" data-ga-name=\"onclick\" data-ga-event=\"link\" data-ga-action=\"click\" data-ga-type=\"external link\" data-ga-region=\"main content\" data-ga-section=\"button\"    >State climate summary <\/a>\n\t\n\t\t<\/div>\n\n\t<\/div>\n\n\n\n<div class=\"col-12 col-md-6\">\n\t\t\t\n\n<figure class=\"wp-block-image alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"588\" height=\"354\" src=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/NOAA_StatereportNCEI-1.jpg\" alt=\"\" class=\"wp-image-132\" srcset=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/NOAA_StatereportNCEI-1.jpg 588w, https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/NOAA_StatereportNCEI-1-300x181.jpg 300w\" sizes=\"auto, (max-width: 588px) 100vw, 588px\" \/><\/figure>\n\n\t<\/div>\n\n<\/div>\n\n\n<div class=\"wp-bootstrap-blocks-row row mt-10\">\n\t\n\n<div class=\"col-12 col-md-5\">\n\t\t\t\n\n<h2 class=\"wp-block-heading\">Today in Arizona&#8217;s<br>weather history<\/h2>\n\n\n\n<p>Visit the site to see today&#8217;s weather history for Arizona.<\/p>\n\n\n\n\t<div class=\"uds-button mt-4 mb-4\">\n\n\t\t\t\n\t\t\t<a href=\"https:\/\/www.weather.gov\/psr\/history.html\" class=\"btn  btn-maroon \" data-ga=\"Arizona weather history\" data-ga-name=\"onclick\" data-ga-event=\"link\" data-ga-action=\"click\" data-ga-type=\"external link\" data-ga-region=\"main content\" data-ga-section=\"button\"    >Arizona weather history <\/a>\n\t\n\t\t<\/div>\n\n\t<\/div>\n\n\n\n<div class=\"col-12 col-md-6\">\n\t\t\t\t<\/div>\n\n<\/div>\n<\/div>\n\n<\/div>\n<\/div><\/div>\n\n\n<div class=\"wp-bootstrap-blocks-container container mb-0 mt-6 mb-10\">\n\t\n<div class=\"wp-bootstrap-blocks-row row\">\n\t\n\n<div class=\"col-12 col-md-7\">\n\t\t\t\n\n<h2 class=\"wp-block-heading\">Historic events<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/didyouknow\">Arizona facts<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/Arizona_historic_storms\">Notable storms in the 20th century<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/ExtremeTemps\">Historic extreme temperatures in Phoenix and Yuma<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/FirstandLastTemperatures\">Historic first\/last days temperature thresholds in Phoenix and Yuma<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/PhoenixRecordData\">Annual and monthly records Phoenix<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/YumaRecordData\">Annual and monthly records Yuma<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/Phoenix_snowfall\">Phoenix snowfall history<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/media\/psr\/PSR_WWA_Product_Criteria.pdf\">Phoenix NWS watch\/warning criteria<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.weather.gov\/psr\/eventsummaries\">Phoenix NWS storm summaries<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading mt-6 mb-4\">Climate of Arizona Cities<\/h2>\n\n\n\n<p><a href=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/TM-273-Climate-of-Flagstaff-compressed.pdf\">Flagstaff<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/globalfutures.asu.edu\/azclimate\/climate-of-phoenix\/\">Phoenix<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/TM-274-Climate-of-Prescott.pdf\">Prescott<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2024\/11\/TA0810-Tucson.pdf\">Tucson<\/a><\/p>\n\n\t<\/div>\n\n\n\n<div class=\"col-12 col-md-4\">\n\t\t\t\t<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":28,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"wf_page_folders":[],"class_list":["post-27","page","type-page","status-publish","hentry"],"uds_featured_image":null,"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Climate of Arizona - Arizona State Climate Office<\/title>\n<meta name=\"description\" content=\"Arizona\u2019s topography plays a significant role in its climate, with temperatures and participation patterns differing by region.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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