Blaine County, MT Climate

Blaine County, MT has a semi-arid climate with cold winters and mild summers. The average temperature in winter is around 20°F, while the summer months tend to be warmer, typically reaching highs of around 80°F. Precipitation in the county is generally low at around 10 inches per year, most of which comes during summer thunderstorms. Snowfall can be abundant in winter months, often accumulating up to several feet at a time. Despite the low precipitation levels, Blaine County is known for its beautiful mountain landscapes and lush green fields that bloom each spring.

Blaine County, Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Blaine County averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 194 sunny days per year in Blaine County. The US average is 205 sunny days.

Blaine County gets some kind of precipitation, on average, 73 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 84 degrees
Winter Low: the January low is 7
Rain: averages 13 inches of rain a year
Snow: averages 32 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Blaine County is 6.7 (10=best), which means it is about average compared to other places in Montana.

8.9 Summer - 4.5 Winter

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

Climate	Blaine, Montana	United States
	12.8 in.	38.1 in.
	32.0 in.	27.8 in.
	73.3 days	106.2 days
	194 days	205 days
	83.6°	85.8°
	6.8°	21.7°
	6.7	7
	3.6	4.3
	3064 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 Blaine County with an average high temperature of 83.6°, which ranks it as about average compared to other places in Montana. In Blaine County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Blaine County are June, August and July.

In Blaine County, there are 19.0 days annually when the high temperature is over 90°, which is about average compared to other places in Montana.

January has the coldest nighttime temperatures for Blaine County with an average of 6.8°. This is colder than most places in Montana.

In Blaine County, there are 187.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Blaine County, there are 30.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.

Humidity is low in Blaine 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 Blaine County with 2.6 inches of rain, and the driest month is February with 0.3 inches. The wettest season is Autumn with 42% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 12.8 inches in Blaine County means that it is drier than most places in Montana.

June is the rainiest month in Blaine County with 11.0 days of rain, and February is the driest month with only 3.8 rainy days. There are 73.3 rainy days annually in Blaine County, which is less rainy than most places in Montana. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 32.0 inches in Blaine County means that it is less snowy than most places in Montana. January is the snowiest month in Blaine County with 6.4 inches of snow, and 8 months of the year have significant snowfall.

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