59521 Rocky Boy West, MT has a humid continental climate with warm summers and cold winters. The average summer temperature is in the mid-70s Fahrenheit, while the average winter temperature can reach below 0 degrees Fahrenheit. It generally receives more snow than rain and the area is known for its high wind speeds, especially in the winter months. Winters are long and cold with temperatures often reaching below freezing during the day. Summers are short with moderate temperatures that reach highs in the upper 80s Fahrenheit on occasion.
Rocky Boy West (zip 59521), Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rocky Boy West (zip 59521) averages 45 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 185 sunny days per year in Rocky Boy West (zip 59521). The US average is 205 sunny days.
Rocky Boy West (zip 59521) 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 84 degrees
Winter Low: the January low is 11
Rain: averages 13 inches of rain a year
Snow: averages 45 inches of snow a year