Roy, MT has a typical continental climate, with cold winters and hot summers. During the winter months, temperatures drop to below freezing and snowfall is common. In the summer, temperatures typically reach the mid-80s Fahrenheit with moderate humidity levels. The area also experiences substantial precipitation throughout the year, mostly in the form of rain showers and occasional thunderstorms. Overall, Roy has a temperate climate that is comfortable to live in throughout most of the year.
Roy, Montana gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Roy averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Roy. The US average is 205 sunny days.
Roy gets some kind of precipitation, on average, 75 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 11
Rain: averages 15 inches of rain a year
Snow: averages 39 inches of snow a year