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The following is a generalization of Denali's weather. For detailed info like historic temperatures at certain seasons, precipitation, etc., please see our detailed weather & climate data. Weather in Denali is extremely variable. Changes in weather often occur without warning. Many of our rangers tell visitors to expect sun, wind, rain, and clouds, and expect them all on the same day. Snow can fall any month of the year, particularly in the mountains.
When talking about weather, "summer" generally means late May through early September.
Winters can be extremely cold with temperatures ranging from -40 degrees Fahrenheit and colder, to high 20s on warm days. This kind of extreme cold typically begins by late October or early November, and runs through March.
The Other Two Weeks of the Year
Both spring and fall seasons are quite short. Spring weather, which might occur in late April and early May, sees highs into the 40s or 50s F, and lows near or below freezing. In extreme years, however, winter temperatures (below freezing) linger until nearly the start of summer.
A variety of remote monitoring stations track conditions like stream flow and precipitation.
Temperature and PrecipitationCheck out an accumulated precipitation graph for a variety of locations in Denali, north of the Alaska Range. Note that you can filter for a variety of stations throughout Alaska, and can look up variables like temperature and wind speed, in addition to precipitation.
For visitors to Denali, key locations to look at are the Denali Visitor Center, Toklat, Eielson Visitor Center, and Wonder Lake.
Have you ever wanted to check conditions for hiking, skiing, and other outdoor activities along the Denali Park Road corridor west of Park Headquarters? A new Alpine Tundra webcam, perched high atop a shoulder of Mount Healy along the park’s Outer Range, offers a westward perspective for several miles beyond the entrance area. Snow and extreme conditions may obscure the view at times. The image is set to refresh several times each minute.View Webcam
Last updated: September 29, 2021