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At the bottom of this page, we have listed two tables listing the Average Temperature and the Averge Daylight Hour in Alaska. This should give you some indication of what you can expect during the time you want to travel.

Alaska can be divided into three major climate zones: a region of maritime influences (a marine west coast) climate, a region of continental (or subarctic) climate, and a region of tundra (or arctic) climate.

The region of maritime climate comprises the Panhandle, the coast of the Gulf of Alaska, and the Aleutian Islands around Anchorage and Seward. This region is greatly affected by the relatively warm Alaska Current and by the proximity of the Gulf of Alaska, where storms form throughout the year, especially in winter. Gray skies, successive wet days, dampness, fogginess, and occasional gale winds are characteristic. Annual precipitation is heavy, amounting to more than 100 inches in many places. The abundant snowfall provides the source for many glaciers. Summers are cool here, and winters, relatively mild.

Interior Alaska, the area north of the Alaska Range and south of the Brooks Range (Juneau, Ketchikan, Skagway, Sitka areas), is a region of continental climate, with mild, brief summers and harsh winters. This region is drier and has an average annual precipitation of about 24 inches. For half of the year the ground is covered with powdery snow that accumulates to depths of several feet. Invasions of warmer maritime air from the Gulf of Alaska may break the extreme winter cold for a week or so at a time. Average January temperature is -22.8° C (-9° F), with extremes of -51.1° C (-60° F) or colder. A record low temperature of -62.2° C (-80° F) was measured at Prospect Creek Camp, in NW Alaska, in 1971.

The area N of the Brooks Range is a region of tundra (arctic) climate (Prudhoe Bay area) and has weeks of continuous darkness in winter and of daylight in summer. Moderated by ocean influences, the winter is somewhat less harsh than in interior Alaska. While the snow cover is thin, strong winds at times create extremely cold windchill temperatures. The average annual precipitation is less than 8 inches.


City May June July Aug Sept
Anchorage 54 62 65 63 55
Fairbanks 66 70 72 66 54
Juneau (Inside Passage) 58 61 64 62 56
Arctic 39 50 59 57 47


City May June July Aug Sept
Anchorage 18 19 18 16 13
Fairbanks 20 21 20 16 14
Juneau (Inside Passage) 17 18 17 16 13
Arctic 20 24 22 18 11

The Alaska Climate and Weather Information on this page was found in the Funk and Wagner Encyclopedia on Infopedia, The Ultimate Multimedia Reference Tool. Copyright of Funk and Wagnalls and Infopedia. The weather tables were found in the Princess Cruisetours Alaska brochure.