The best times to visit Girdwood for ideal weather are
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Girdwood Travel Guide
Other Girdwood Travel Info
Weather in Girdwood
Average temperatures in Girdwood vary greatly. Considering humidity, temperatures feel cold all year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the bottom 1 percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Girdwood, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 63.6°F (17.6°C) with temperatures rarely dropping below 47.1°F (8.4°C) at night.
Girdwood Temperatures (Fahrenheit)
Girdwood Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Girdwood Perceived Temperature (F)
Girdwood Perceived Temperature (C)
Average Girdwood Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Girdwood are March, May, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid June. For example, on the week of June 11th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 5 days of significant precipitation the week of September 10th.
When can you find snow in Girdwood? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Girdwood.
Snow on the Ground
The graph below shows the average snow on the ground in Girdwood (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Girdwood has some very humid months, and above average humidity throughout the year. The least humid month is May (62.2% relative humidity), and the most humid month is October (80.1%).
Wind in Girdwood is usually calm. The windiest month is February, followed by January and April. February’s average wind speed of around 7.8 knots (9 MPH or 14.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 19.7 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Girdwood.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||7.7||Gentle breeze||15.2||Significant breeze|
|Feb||7.8||Gentle breeze||15.6||Significant breeze|
|Mar||6.6||Light breeze||13.9||Significant breeze|
|Apr||7.2||Gentle breeze||14.4||Significant breeze|
|May||6.9||Light breeze||13||Significant breeze|
|Jun||6.4||Light breeze||11.8||Significant breeze|
|Jul||6.5||Light breeze||11.9||Significant breeze|
|Aug||6.1||Light breeze||11.7||Significant breeze|
|Sep||7.1||Gentle breeze||14.2||Significant breeze|
|Oct||6.4||Light breeze||13.3||Significant breeze|
|Nov||7||Gentle breeze||14.1||Significant breeze|
|Dec||6.9||Light breeze||14.5||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Girdwood?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Girdwood, AK, US is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Girdwood in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Girdwood Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very cold. Highs range from 57.2°F (14°C) and 29.6°F (-1.3°C) with warmer temperatures in the later months. Rain is very common with 10 to 12 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have cold weather with high temperatures that are brisk. These months see moderate precipitation with 10 to 14 days of precipitation per month. June – August is the busiest season for tourism in Girdwood, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 56.9°F (13.8°C) and 28.4°F (-2°C), which will feel chilly given the humidity and wind. It rains or snows a great amount: 15 to 16 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is far too cold this time of year in Girdwood to be enjoyable for warm weather travelers. The average high during this season is between 33.9°F (1.1°C) and 25.5°F (-3.6°C). On average, it rains or snows a great amount: 11 to 14 times per month. These times of year are fairly slow with tourists.