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The climate in Southcentral Alaska is a subarctic climate (Köppen Dfc) due to its short, cool summers. The climate of the interior of Alaska is best described as extreme and is the best example of a true subarctic climate, as the highest and lowest recorded temperatures in Alaska have both occurred in the interior.
Alaska’s interior, a second climatic zone, has a continental climate influenced in the winter by cold air from northern Canada and Siberia. Average temperatures in the interior range from about 45 to 75 °F (7 to 24 °C) in summer and about 20 to −10 °F (−7 to −23 °C) in winter.
Sep 6, 2023 · As a region, Alaska has warmed more than twice as rapidly as the rest of the United States over the past 60 years, with average annual air temperature increasing by 3 °F and average winter temperature increasing by 6 °F ( Chapin et al. 2014 ).
Climate in Alaska is comprised of many factors that impact our communities, schools, and businesses over time. Get data on how different regions and populations experience temperature, precipitation, and extreme weather events historically.
Alaska’s climate varies wildly by region and season from a temperate maritime climate at 51º north to the Arctic climate of Utqiagvik at 71.3 º northern latitude. Depending on latitude, elevation or a location adjacent to sea or inland, a multitude of very different climate zones are predominant.
Four main factors influence the state’s climate: its northerly latitude crossing the Arctic Circle; its large elevation range, from sea level to the highest peak in the United States; regional variations in proximity to the ocean; and the seasonal distribution of sea ice along its western and northern boundaries.
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The total Alaska population estimate in 2021 was 734,323. 105 Urban areas account for the majority of Alaska’s population. Racial and ethnic characteristics throughout the state vary greatly by region, as do the impacts of climate change.
