Climate Overview
The climate in Denali Airport is cold. The average annual temperature is -3°C and approximately 540mm of precipitation falls per year. August is the wettest month, receiving around 101mm of rainfall. Denali Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to -21°C. Snowfall occurs from January to December, with around 153cm accumulating over the season.
Temperature
Denali Airport has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 18°C with a mean of 13°C. January brings the harshest conditions, with lows dropping to -21°C and an average temperature of -18°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 10°C shift in average temperatures.
Precipitation
Denali Airport is a relatively dry area, receiving approximately 540mm of precipitation annually, which averages out to around 45mm per month. The wettest month is August, averaging 101mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 13mm. That's 88mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 153cm accumulating over the season. October typically sees the most snow at around 28cm.
Wind
Denali Airport is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
87 days until Summer
It is currently spring in Denali Airport, which began on March 20, 2026. Denali Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 18°C, while the coldest stretch bottoms out in January near -21°C. Summer is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from -15 to 11°C. Rainfall is relatively light, with around 74mm over the season and a monthly average of 25mm. Winds are generally light, averaging 13km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 7 to 18°C. Precipitation is moderate at around 254mm for the season, averaging 85mm per month. Winds are generally light, averaging 13km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -17 to 9°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Expect around 63cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -21 to -11°C. Rainfall is relatively light, with around 64mm over the season and a monthly average of 21mm. Expect around 52cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Denali Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
