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The climate of Alaska is determined by average temperatures and precipitation received statewide over many years. The extratropical storm track runs along the Aleutian Island chain, across the Alaska Peninsula , and along the coastal area of the Gulf of Alaska which exposes these parts of the state to a large majority of the storms crossing the ...
Koppen-Geiger Map v2 USA Alaska 1901–1930.svg; Koppen-Geiger Map v2 USA Alaska 1931–1960.svg; Koppen-Geiger Map v2 USA Alaska 1961–1990.svg; Koppen-Geiger Map v2 USA Alaska 1991–2020.svg; Koppen-Geiger Map v2 USA Alaska 2041–2070 SSP126.svg; Koppen-Geiger Map v2 USA Alaska 2041–2070 SSP245.svg; Koppen-Geiger Map v2 USA Alaska 2041 ...
Between 2000 and 2022 the annual rainfall in Anchorage was 16.7 inches. [6] The months with the highest average mean of rain were August and September, each having an annual mean of 2.75 inches (August) and 3.24 inches (September).
South central Alaska does not get nearly as much rain as the southeast of Alaska, though it does get more snow. On average, Anchorage receives 16 inches (406 mm) of precipitation a year, with around 75 inches (1,905 mm) of snow. The northern coast of the Gulf of Alaska receives up to 150 inches (3,800 mm) of precipitation annually. [7]
The climate in the extreme north of Alaska is what would be expected for an area north of the Arctic Circle — it is an Arctic climate (Köppen ET) with long, very cold winters and short, cool summers. [3] Akclimate.org says the following: "The altitude above sea level influences the climate of a given area [in Alaska].
A world map showing areas with Köppen B classification ... Alaska: 23 January 1971 [277] ... Most consecutive days with measurable rain a day with at least 0.01 ...
July air temperatures in northern Alaska and Yukon were about 2-3 °C lower compared to today. [61] Equilibrium line altitudes in Alaska suggest summer temperatures were 2-5 °C compared to preindustrial. [62] Sediment core analysis from Lone Spruce Pond in southwestern Alaska show it was a pocket of relative warmth. [63]
The climate of southeast Alaska is dominated by a mid-latitude oceanic climate (Köppen Cfb) in the south, an oceanic, marine sub-polar climate (Köppen Cfc) in the central region around Juneau, and a subarctic climate (Köppen Dfc) to the far northwest and the interior highlands of the archipelago.