The best times to visit East Glacier Park for ideal weather are
June 18th 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.
East Glacier Park Travel Guide
Other East Glacier Park Travel Info
Weather in East Glacier Park
Average temperatures in East Glacier Park vary drastically. Considering humidity, temperatures feel cold for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 21st 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 East Glacier Park, 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 81.3°F (27.4°C) with temperatures rarely dropping below 50.9°F (10.5°C) at night.
East Glacier Park Temperatures (Fahrenheit)
East Glacier Park 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.
East Glacier Park Perceived Temperature (F)
East Glacier Park Perceived Temperature (C)
Average East Glacier Park 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 East Glacier Park are July, August, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late June. For example, on the week of June 25th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early June with an average of 2 days of significant precipitation the week of June 4th.
When can you find snow in East Glacier Park? 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 East Glacier Park.
Snow on the Ground
The graph below shows the average snow on the ground in East Glacier Park (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
East Glacier Park has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is August (44.6% relative humidity), and the most humid month is December (56.3%).
Wind in East Glacier Park is usually calm. The windiest month is January, followed by April and November. January’s average wind speed of around 8 knots (9.2 MPH or 14.8 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 January where average top sustained speeds reach 16.3 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in East Glacier Park.
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||8||Gentle breeze||15.2||Significant breeze|
|Feb||6.7||Light breeze||12.7||Significant breeze|
|Mar||7.4||Gentle breeze||13.9||Significant breeze|
|Apr||7.6||Gentle breeze||14.1||Significant breeze|
|May||6.8||Light breeze||12.8||Significant breeze|
|Jun||6.2||Light breeze||12.3||Significant breeze|
|Jul||5.3||Light breeze||10.7||Significant breeze|
|Aug||4.9||Light breeze||10.4||Gentle breeze|
|Sep||5.4||Light breeze||11.2||Significant breeze|
|Oct||5.9||Light breeze||12.6||Significant breeze|
|Nov||7.5||Gentle breeze||14.5||Significant breeze|
|Dec||6.9||Light breeze||13.5||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to East Glacier Park?
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 East Glacier Park, MT, US is July, followed by June and August. 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 East Glacier Park in December. 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 East Glacier Park Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 66.6°F (19.2°C) and 36.7°F (2.6°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 7 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 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in East Glacier Park, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 73.4°F (23°C) and 37.8°F (3.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is far too cold this time of year in East Glacier Park to be enjoyable for warm weather travelers. The average high during this season is between 40.7°F (4.8°C) and 31.6°F (-0.2°C). On average, it rains or snows a fair amount: 6 to 7 times per month. These times of year are the slowest with tourists.