Valley County, MT Climate

Valley, MT County has a generally temperate climate. Summers are warm and sunny, with temperatures regularly reaching into the 70s and 80s Fahrenheit. Winters are cold and snowy, with temperatures typically dipping below freezing and snow accumulations ranging from light dustings to heavy snowstorms. In general, the county experiences four distinct seasons, with spring and fall serving as transition periods between winter and summer. Due to its elevation, nighttime lows in Valley County are often much lower than the surrounding area. Overall, Valley County is an ideal place for outdoor activities throughout the year.

Valley County, Montana gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Valley County averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Valley County. The US average is 205 sunny days.

Valley County gets some kind of precipitation, on average, 76 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 85 degrees
Winter Low: the January low is 3
Rain: averages 12 inches of rain a year
Snow: averages 33 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Valley County is 6.6 (10=best), which means it is about average compared to other places in Montana.

9 Summer - 4 Winter

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

Climate	Valley, Montana	United States
	12.3 in.	38.1 in.
	32.7 in.	27.8 in.
	76.0 days	106.2 days
	197 days	205 days
	84.6°	85.8°
	3.0°	21.7°
	6.6	7
	3.6	4.3
	2578 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 Valley County with an average high temperature of 84.6°, which ranks it as about average compared to other places in Montana. In Valley County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Valley County are June, September and August.

In Valley County, there are 22.8 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

January has the coldest nighttime temperatures for Valley County with an average of 3.0°. This is one of the coldest places in Montana.

In Valley County, there are 185.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Valley County, there are 35.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Montana.

Humidity is low in Valley 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 Valley County with 2.7 inches of rain, and the driest month is February with 0.2 inches. The wettest season is Autumn with 48% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 12.3 inches in Valley County means that it is drier than most places in Montana.

June is the rainiest month in Valley County with 10.6 days of rain, and February is the driest month with only 4.2 rainy days. There are 76.0 rainy days annually in Valley 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 20% chance of a rainy day.

An annual snowfall of 32.7 inches in Valley County means that it is less snowy than most places in Montana. December is the snowiest month in Valley County with 7.1 inches of snow, and 8 months of the year have significant snowfall.

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