The best times to visit Downtown Anchorage for ideal weather are

June 4th to September 9th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Downtown Anchorage Travel Info

Weather in Downtown Anchorage

Temperature

Average temperatures in Downtown Anchorage vary drastically. Considering humidity, temperatures feel cold for most of the year with a low chance of precipitation most of the year. The area is less temperate than some — in the 39th 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 Downtown Anchorage, 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 69.3°F (20.7°C) with temperatures rarely dropping below 53.6°F (12°C) at night.

Downtown Anchorage Temperatures (Fahrenheit)

Key
High
Average
Low

Downtown Anchorage Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

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.

Downtown Anchorage Perceived Temperature (F)

Key
High
Average
Low

Downtown Anchorage Perceived Temperature (C)

Key
High
Average
Low

 

Average Downtown Anchorage 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 23.9 16.8 9.3
Feb 28.7 20.4 12
Mar 34.3 24.6 14.9
Apr 47 37.8 29.1
May 59.9 50 40.5
Jun 65.9 56.7 49.4
Jul 68.4 59.8 53.3
Aug 66.6 58.1 51.2
Sep 57.7 49.7 43
Oct 44.9 37.6 31.2
Nov 30.4 23.6 16.7
Dec 25.1 18.4 11

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -4.5 -8.4 -12.6
Feb -1.8 -6.4 -11.1
Mar 1.3 -4.1 -9.5
Apr 8.3 3.2 -1.6
May 15.5 10 4.7
Jun 18.8 13.7 9.7
Jul 20.2 15.4 11.8
Aug 19.2 14.5 10.7
Sep 14.3 9.8 6.1
Oct 7.2 3.1 -0.4
Nov -0.9 -4.7 -8.5
Dec -3.8 -7.6 -11.7

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Downtown Anchorage are March, February, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 3 days of significant precipitation the week of September 10th.

When can you find snow in Downtown Anchorage? Weather stations report very large amounts of snow likely to be deepest around March, especially close to early to mid March. The best time to ski (if at all) in Downtown Anchorage is often around around March 12th when fresh powder is deepest. 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 Downtown Anchorage.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Downtown Anchorage (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 5% 10.1 0.6
Feb 5% 11.4 0.5
Mar 4% 13 0.4
Apr 5% 8.4 0.5
May 5% 1.2 0.4
Jun 11% 0 1
Jul 20% 0 1.8
Aug 21% 0 2.2
Sep 29% 0 3.5
Oct 15% 1.5 1.5
Nov 9% 4.3 0.7
Dec 8% 6.8 0.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 5 25.7 1.5
Feb 5 29 1.3
Mar 4 33 1
Apr 5 21.3 1.3
May 5 3 1
Jun 11 0 2.5
Jul 20 0 4.6
Aug 21 0 5.6
Sep 29 0 8.9
Oct 15 3.8 3.8
Nov 9 10.9 1.8
Dec 8 17.3 1.8

 

Humidity and Wind

Downtown Anchorage has some very humid months, with other moderately humid months on the other side of the year. The least humid month is May (42.4% relative humidity), and the most humid month is January (70.2%).

Wind in Downtown Anchorage is usually extremely calm. The windiest month is June, followed by May and July. June’s average wind speed of around 4.1 knots (4.7 MPH or 7.5 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid May where average top sustained speeds reach 10.2 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Downtown Anchorage.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

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 2.6 Barely noticeable 7.1 Gentle breeze
Feb 2.7 Barely noticeable 7.3 Gentle breeze
Mar 3.1 Barely noticeable 8 Gentle breeze
Apr 3.3 Barely noticeable 8.4 Gentle breeze
May 4 Light breeze 9.7 Gentle breeze
Jun 4.1 Light breeze 9.3 Gentle breeze
Jul 3.6 Barely noticeable 8.7 Gentle breeze
Aug 2.9 Barely noticeable 7.7 Gentle breeze
Sep 2.8 Barely noticeable 7.6 Gentle breeze
Oct 2.6 Barely noticeable 7.4 Gentle breeze
Nov 2.9 Barely noticeable 7.6 Gentle breeze
Dec 2.6 Barely noticeable 7.4 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 70.2%
Feb 64.3%
Mar 51.9%
Apr 47.8%
May 42.4%
Jun 52.8%
Jul 60.5%
Aug 65.3%
Sep 66.6%
Oct 64.4%
Nov 65.5%
Dec 69.9%

 

Is it Safe to Travel to Downtown Anchorage?

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 Downtown Anchorage, 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 Downtown Anchorage 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

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 35 in November means 35% of the tourists vs. July.

 

 

Overall Downtown Anchorage Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 64.4°F (18°C) and 30.9°F (-0.6°C) with far warmer temperatures in the later months. Rain is rare with 1 to 2 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 comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 3 to 6 days of precipitation per month. June – August is the busiest season for tourism in Downtown Anchorage, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 61.7°F (16.5°C) and 27.4°F (-2.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 3 to 9 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 Downtown Anchorage to be enjoyable for warm weather travelers. The average high during this season is between 30.9°F (-0.6°C) and 21.4°F (-5.9°C). On average, it rains or snows a smalll amount: 1 to 3 times per month. These times of year are fairly slow with tourists.

 

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