Denali Borough Climate
Denali Borough, Alaska
Avg Annual Temp
28.0°F
Annual Precip
16.1"
Annual Snowfall
76.7"
Extreme Heat Days
0.05
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Denali Borough Weather
In the Shadow of Giants
Denali Borough averages 28.0°F annually, a stark contrast to the temperate climates found across most of the United States. Its weather is defined by its high latitude and rugged mountain interior.
A Cold Interior Standard
At 28.0°F, Denali is significantly colder than the Alaska state average of 35.9°F. Its climate represents the classic Alaskan interior, featuring deep winter freezes and clear, cool summers.
Similar to Copper River
Denali shares a nearly identical annual average with Copper River (28.0°F vs 27.8°F). However, Denali sees slightly more snow, recording 76.7 inches compared to Copper River's 62.2 inches.
Sub-Zero Januaries and Snowy Peaks
January temperatures average -0.7°F, while July provides a brief window of 57.6°F warmth. The borough receives 76.7 inches of snow annually, and the air remains cool year-round with zero days hitting 90°F.
Winter Survival and Summer Gear
Vehicles need engine block heaters to survive the sub-zero winter average of 2.9°F. For the 76.7 inches of annual snow, residents should invest in high-quality winter tires and reliable heating fuel storage.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.