Girdwood (AK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Girdwood.
Climate overview of Girdwood
Girdwood, Alaska, United States of America, sees big temperature differences between seasons, with July peaking at 15°C (59°F) and January dropping to -6°C (21°F).
The city receives considerable rain/snowfall, with around 2479 mm (98 in) annually. December is the wettest month. Sunshine peaks in May, when the city sees around 9.6 hours of sunshine per day.
Girdwood Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Girdwood — and find the best time to visit.
Monthly Temperature in Girdwood
Visitors to Girdwood can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a moderate 15°C (59°F) in July to a very cold -6°C (21°F) in the coolest month, January.
Nights vary from 7°C (45°F) in July to around -13°C (9°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Girdwood
Girdwood is known for its substantial rain/snowfall, with annual precipitation reaching 2479 mm (98 in). The climate in Girdwood shows significant variation throughout the year. Expect heavy snowfall in December, the wettest month, with an average of 292 mm (11 in) of precipitation over 12 snowy days.
In contrast, the driest month June offers drier and sunnier days, with around 112 mm (4.4 in) of rainfall over 11 rainy days. For more details, please visit our Girdwood Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Girdwood
For those who appreciate different seasons, Girdwood serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 9.6 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Girdwood by Month
The relative humidity is high throughout the year in Girdwood.
The city experiences its highest humidity in November, reaching 77%. In May, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Girdwood
Frequently asked questions about the climate in Girdwood
What is the best time to visit Girdwood?
July typically offers the most optimal weather in Girdwood. In contrast, January, February, March, April, May, June, August, September, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Girdwood?
Daytime highs range from -6°C (21°F) in January to 15°C (59°F) in July. Nighttime lows range from -13°C (9°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Girdwood get?
Annual rainfall is around 2479 mm (98 in). December is the wettest month with 292 mm (11 in), while June is the driest with 112 mm (4.4 in). In the coldest months, precipitation may fall as snow.
How sunny is Girdwood?
Girdwood receives around 2,069 hours of sunshine per year. May is the sunniest month with 289 hours, while December is the cloudiest with just 55 hours. Overall, Girdwood enjoys abundant sunshine.
Girdwood 3-Day Forecast
Girdwood (AK) 3-Day Forecast
Girdwood on the map
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