Granite County, MT Climate

Granite, MT County is characterized by a climate that is generally dry and sunny throughout the year. Summers are warm but can be quite hot during periods of drought, with temperatures commonly reaching into the 90s. Winters are cold, with frequent snowfall due to its location in the Rocky Mountains. Spring and fall tend to be milder and more pleasant in terms of temperature. Overall, the county has a pleasant climate year-round, making it an ideal place for those seeking to escape extreme weather conditions.

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

Granite County averages 52 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 160 sunny days per year in Granite County. The US average is 205 sunny days.

Granite County gets some kind of precipitation, on average, 95 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 82 degrees
Winter Low: the January low is 12
Rain: averages 14 inches of rain a year
Snow: averages 52 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Granite County is 6.4 (10=best), which means it is less comfortable than most places in Montana.

8.6 Summer - 4.1 Winter

July, August and September are the most pleasant months in Granite County, while December and January are the least comfortable months.

Climate	Granite, Montana	United States
	Unlock	38.1 in.
	51.5 in.	Unlock
	Unlock	106.2 days
	160 days	Unlock
	81.9°	85.8°
	Unlock	21.7°
	6.4	Unlock
	Unlock	4.3
	6109 ft.	Unlock

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 Granite County with an average high temperature of 81.9°, which ranks it as cooler than most places in Montana. In Granite County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Granite County are August, July and June.

In Granite County, there are 10.8 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

December has the coldest nighttime temperatures for Granite County with an average of 10.4°. This is colder than most places in Montana.

In Granite County, there are 215.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Montana.

In Granite County, there are 20.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.

Humidity is low in Granite County, 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 Granite County with 2.1 inches of rain, and the driest month is February with 0.7 inches. The wettest season is Autumn with 33% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 13.9 inches in Granite County means that it is drier than most places in Montana.

June is the rainiest month in Granite County with 11.0 days of rain, and September is the driest month with only 6.4 rainy days. There are 94.8 rainy days annually in Granite County, which is rainier than most places in Montana. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 51.5 inches in Granite County means that it is snowier than most places in Montana. December is the snowiest month in Granite County with 10.6 inches of snow, and 10 months of the year have significant snowfall.

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