Madison County, MT Climate

Madison County is located in southwestern Montana and has a semi-arid climate. Summers are warm and dry, while winters are cold and snowy with temperatures occasionally dropping below zero degrees Fahrenheit. The average annual precipitation is around 14 inches, mostly concentrated in the months of May through August. During this period of time, thunderstorms are common and often bring hail, snow, and strong winds. Winters tend to be long and cold with heavy snowfall at higher elevations. As the seasons change, so does the climate which makes Madison County an interesting place to experience all four seasons.

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

Madison County averages 60 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 186 sunny days per year in Madison County. The US average is 205 sunny days.

Madison County gets some kind of precipitation, on average, 94 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 14
Rain: averages 15 inches of rain a year
Snow: averages 60 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Madison County is 6.5 (10=best), which means it is less comfortable than most places in Montana.

8.7 Summer - 4.5 Winter

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

Climate	Madison, Montana	United States
	15.3 in.	38.1 in.
	60.4 in.	27.8 in.
	93.8 days	106.2 days
	186 days	205 days
	81.3°	85.8°
	13.5°	21.7°
	6.5	7
	3.6	4.3
	6646 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 Madison County with an average high temperature of 81.3°, which ranks it as cooler than most places in Montana. In Madison County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Madison County are August, July and June.

In Madison County, there are 7.1 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

December has the coldest nighttime temperatures for Madison County with an average of 12.3°. This is about average compared to other places in Montana.

In Madison County, there are 194.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Madison County, there are 15.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

Humidity is low in Madison 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 Madison County with 2.5 inches of rain, and the driest month is February with 0.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 15.3 inches in Madison County means that it is wetter than most places in Montana.

May is the rainiest month in Madison County with 12.1 days of rain, and February is the driest month with only 5.4 rainy days. There are 93.8 rainy days annually in Madison County, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 60.4 inches in Madison County means that it is snowier than most places in Montana. December is the snowiest month in Madison County with 11.1 inches of snow, and 9 months of the year have significant snowfall.

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