Carter County, MT Climate

Carter, MT County has a typical continental climate. Summers are generally warm with temperatures reaching into the 80s and 90s during the day, while winters can be cold with temperatures dipping into the teens and twenties at night. Precipitation is fairly average for the area, with an average of 17 inches per year. Snowfall is common in winter months, but usually melts before spring arrives. The county experiences all four seasons with moderate temperatures throughout the year.

Carter County, Montana gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Carter County averages 35 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 221 sunny days per year in Carter County. The US average is 205 sunny days.

Carter County gets some kind of precipitation, on average, 66 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 86 degrees
Winter Low: the January low is 10
Rain: averages 15 inches of rain a year
Snow: averages 35 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Carter County is 6.9 (10=best), which means it is one of the most pleasant places in Montana.

9 Summer - 4.8 Winter

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

Climate	Carter, Montana	United States
	Unlock	38.1 in.
	35.0 in.	Unlock
	Unlock	106.2 days
	221 days	Unlock
	85.8°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	3426 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 Carter County with an average high temperature of 85.8°, which ranks it as warmer than most places in Montana. In Carter County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carter County are June, September and August.

In Carter County, there are 25.0 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

January has the coldest nighttime temperatures for Carter County with an average of 9.5°. This is colder than most places in Montana.

In Carter County, there are 179.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In Carter County, there are 23.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.

Humidity in Carter County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

June is the wettest month in Carter County with 2.7 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 39% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 15.1 inches in Carter County means that it is about average compared to other places in Montana.

June is the rainiest month in Carter County with 9.0 days of rain, and February is the driest month with only 3.4 rainy days. There are 66.4 rainy days annually in Carter County, which is one of the least rainy places in Montana. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 35.0 inches in Carter County means that it is less snowy than most places in Montana. March is the snowiest month in Carter County with 7.4 inches of snow, and 8 months of the year have significant snowfall.

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