Garrison, MT Climate


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United States / Montana / No Metro Area / Powell County / Garrison / Zip Codes
Garrison, MT has a continental climate that is characterized by cold winters and warm summers. The average temperature in the winter hovers around 13°F, while the average temperature in the summer peaks at about 78°F. The area receives an annual average of 16 inches of precipitation, with most of it falling in the form of snow during the winter months. This climate creates an abundance of outdoor activities for residents and visitors alike to enjoy year-round.

Garrison, Montana gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Garrison averages 70 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 184 sunny days per year in Garrison. The US average is 205 sunny days.

Garrison gets some kind of precipitation, on average, 99 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 81 degrees
Winter Low: the January low is 13
Rain: averages 14 inches of rain a year
Snow: averages 70 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Garrison is 6.3 (10=best), which means it is less comfortable than most places in Montana.

8.6 Summer - 4.2 Winter
July, August and June are the most pleasant months in Garrison, while December and January are the least comfortable months.

  ClimateGarrison, MontanaUnited States
  13.8 in.38.1 in.
  69.5 in.27.8 in.
  98.9 days106.2 days
  184 days205 days
  80.6°85.8°
  13.2°21.7°
  6.37
  3.74.3
  4373 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Garrison with an average high temperature of 80.6°, which ranks it as cooler than most places in Montana. In Garrison, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Garrison are August, July and June.
In Garrison, there are 6.9 days annually when the high temperature is over 90°, which is cooler than most places in Montana.
December has the coldest nighttime temperatures for Garrison with an average of 10.8°. This is colder than most places in Montana.
In Garrison, there are 208.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Montana.
In Garrison, there are 18.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.
Humidity is low in Garrison, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.
June is the wettest month in Garrison with 2.3 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 38% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 13.8 inches in Garrison means that it is drier than most places in Montana.
June is the rainiest month in Garrison with 12.0 days of rain, and February is the driest month with only 6.0 rainy days. There are 98.9 rainy days annually in Garrison, which is rainier than most places in Montana. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.
An annual snowfall of 69.5 inches in Garrison means that it is snowier than most places in Montana. December is the snowiest month in Garrison with 12.2 inches of snow, and 10 months of the year have significant snowfall.
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