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Denali Borough Climate

JanFebMarAprMayJunJulAugSepOctNovDec28.0°AVG °F

Avg Annual Temp

28.0°F

Annual Precip

16.1"

Annual Snowfall

76.7"

Extreme Heat Days

0

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.7"
0.5"
0.5"
0.9"
2.1"
3.0"
3.1"
2.0"
1.0"
0.9"
0.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

Growing Degree Days

576

Limited to cold-tolerant varieties

Last spring frost (32°F): 06/06
First fall frost (32°F): 09/02

Seasonal Overview

Comfort ZoneSpring12°45°1.9"Summer53°58°8.2"Fall8°42°3.9"Winter-1°7°2.1"20°40°60°80°100°

National Comparison

Warmer than 0% of US counties
Wetter than 9% of US counties
More seasonal variation than 97% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Denali Borough

Climate Verdict

Denali Borough has a cold, with an average annual temperature of 28.0°F, semi-arid conditions with only 16.1 inches of annual precipitation, rare extreme heat with only 0.05 days above 90°F annually, heavy winter snowfall averaging 76.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are severe, with January averaging a frigid -0.7°F. summers are cool, with July averaging only 57.6°F. Residents experience a substantial 58°F difference between winter and summer.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Denali Borough is 7.7°F cooler than the Alaska statewide average of 35.7°F, it is also noticeably drier, receiving 37.4 inches less precipitation than the state average.

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

What is the average temperature in Denali Borough?
The average annual temperature in Denali Borough, AK is 28.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Denali Borough get?
Denali Borough receives an average of 16.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Denali Borough?
Yes, Denali Borough receives an average of 76.7 inches of snowfall per year according to NOAA climate normals.
How hot does Denali Borough get in summer?
The average summer temperature (June-August) in Denali Borough is 55.0°F. The county experiences an average of 0 days per year above 90°F.
How cold are winters in Denali Borough?
The average winter temperature (December-February) in Denali Borough is 2.9°F. January, typically the coldest month, averages -0.7°F.

Track your own weather in Denali Borough

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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