The best times to visit Interior Alaska for ideal weather are

May 28th to August 19th

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



Other Interior Alaska Travel Info

Weather in Interior Alaska


Average temperatures in Interior Alaska vary an incredible amount. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 12th 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 Interior Alaska, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 76.1°F (24.5°C) with temperatures rarely dropping below 49.3°F (9.6°C) at night.

Interior Alaska Temperatures (Fahrenheit)


Interior Alaska Temperatures (Celsius)


“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.

Interior Alaska Perceived Temperature (F)


Interior Alaska Perceived Temperature (C)



Average Interior Alaska 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 7.8 -3.2 -12
Feb 16.5 3.1 -7.3
Mar 24.3 9.2 -4
Apr 47.7 32.5 19.5
May 64.3 50.5 35.5
Jun 72.5 59.7 45.9
Jul 73.7 61.3 49.1
Aug 69.6 56.2 45.6
Sep 60.5 45.3 35.6
Oct 38.9 27 19.4
Nov 17.1 6.5 -2.4
Dec 8.4 -1.7 -10.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -13.4 -19.6 -24.4
Feb -8.6 -16.1 -21.8
Mar -4.3 -12.7 -20
Apr 8.7 0.3 -6.9
May 17.9 10.3 1.9
Jun 22.5 15.4 7.7
Jul 23.2 16.3 9.5
Aug 20.9 13.4 7.6
Sep 15.8 7.4 2
Oct 3.8 -2.8 -7
Nov -8.3 -14.2 -19.1
Dec -13.1 -18.7 -23.5



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Interior Alaska are May, June, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late May. For example, on the week of May 21st there are 2 days of precipitation on average. By contrast, it’s most likely to rain or snow in late October to early November with an average of 5 days of significant precipitation the week of October 29th.

When can you find snow in Interior Alaska? Weather stations report large amounts of snow likely to be deepest around December, especially close to late December. The best time to ski (if at all) in Interior Alaska is often around around December 17th 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 Interior Alaska.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Interior Alaska (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 54% 2.1 9.3
Feb 48% 2.7 7.2
Mar 53% 1.8 8
Apr 44% 0 7.5
May 32% 0 5.6
Jun 37% 0 5.6
Jul 39% 0 6.8
Aug 48% 0 9.1
Sep 57% 0 11.3
Oct 60% 0 14.2
Nov 65% 1.9 11
Dec 52% 7.2 9.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 54 5.3 23.6
Feb 48 6.9 18.3
Mar 53 4.6 20.3
Apr 44 0 19.1
May 32 0 14.2
Jun 37 0 14.2
Jul 39 0 17.3
Aug 48 0 23.1
Sep 57 0 28.7
Oct 60 0 36.1
Nov 65 4.8 27.9
Dec 52 18.3 23.1


Humidity and Wind

Interior Alaska has some humid months, and slightly dry months in the opposite season. The least humid month is May (35% relative humidity), and the most humid month is October (67.6%).

Wind in Interior Alaska is usually calm. The windiest month is February, followed by March and January. February’s average wind speed of around 4.8 knots (5.5 MPH or 8.9 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 March where average top sustained speeds reach 14.8 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Interior Alaska.

Avg. Relative Humidity


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

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 4.5 Light breeze 14 Significant breeze
Feb 4.8 Light breeze 13.1 Significant breeze
Mar 4.6 Light breeze 13.2 Significant breeze
Apr 4.5 Light breeze 12.5 Significant breeze
May 4.3 Light breeze 11.5 Significant breeze
Jun 3.9 Barely noticeable 10.4 Gentle breeze
Jul 3.6 Barely noticeable 10.1 Significant breeze
Aug 3.4 Barely noticeable 10 Gentle breeze
Sep 3.9 Barely noticeable 11.4 Significant breeze
Oct 3.9 Barely noticeable 12.8 Significant breeze
Nov 4.1 Light breeze 13.6 Significant breeze
Dec 4.4 Light breeze 13.3 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 57.7%
Feb 55.1%
Mar 44.8%
Apr 40.9%
May 35%
Jun 49.3%
Jul 56.1%
Aug 62.8%
Sep 61.9%
Oct 67.6%
Nov 65.9%
Dec 60.9%


Is it Safe to Travel to Interior Alaska?

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 Interior Alaska, the United States 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 Interior Alaska 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

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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 35 in November means 35% of the tourists vs. July.



Overall Interior Alaska Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel very cold. Highs range from 71.9°F (22.2°C) and 16.5°F (-8.6°C) with far warmer temperatures in the later months. Rain is frequent with 10 to 16 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 the least precipitation with 11 to 15 days of precipitation per month. June – August is the busiest season for tourism in Interior Alaska, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 66.3°F (19.1°C) and 9.1°F (-12.7°C), which will feel very chilly given the humidity and wind. It rains or snows a great amount: 17 to 19 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 Interior Alaska to be enjoyable for warm weather travelers. The average high during this season is between 21.9°F (-5.6°C) and 5.3°F (-14.8°C). On average, it rains or snows a very great amount: 13 to 17 times per month. These times of year are fairly slow with tourists.


Best Times to Travelthe United States › Interior Alaska, the United States