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