Climate Overview
The climate in Girdwood Airport is cold. The average annual temperature is 0°C and approximately 1990mm of precipitation falls per year. Girdwood Airport receives a notable amount of rainfall throughout the year, including during its driest month. Girdwood Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to -10°C. Girdwood Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Girdwood Airport vary considerably across the year, with a 25°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 15°C with a mean of 11°C. The coldest month is February, when overnight lows fall to -10°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.
Precipitation
Girdwood Airport is a fairly wet location, receiving approximately 1990mm of precipitation annually, which averages out to around 166mm per month. The wettest month is December, averaging 238mm of rainfall. October and November also tend to see above-average precipitation. The driest month is June, with just 101mm. That's 137mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Girdwood Airport receives heavy snowfall, accumulating around 960cm annually from January through December. The snowiest month is December, with approximately 165cm. Winter travel should account for significant snow cover.
Wind
Girdwood Airport is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 7km/h in spring, 9km/h in summer, 8km/h in autumn.
Seasons
84 days until Summer
It is currently spring in Girdwood Airport, which began on March 20, 2026. Girdwood 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 15°C, while the coldest stretch bottoms out in February near -10°C. Summer is next, beginning on June 21, 2026 — 84 days from now.
Spring
Temperatures range from -10 to 6°C. Rainfall is heavy, totalling around 369mm across the season with a monthly average of 123mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 5 to 15°C. Rainfall is heavy, totalling around 395mm across the season with a monthly average of 132mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -9 to 8°C. Rainfall is heavy, totalling around 638mm across the season with a monthly average of 213mm. Expect around 293cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -10 to -5°C. Rainfall is heavy, totalling around 588mm across the season with a monthly average of 196mm. Expect around 412cm of snow accumulation during this period. Winds are generally light, averaging 7km/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 Girdwood 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.
