Glen Ullin, ND has a moderate continental climate with four distinct seasons. Summers are warm, relatively dry, and sunny, however temperatures can reach into the 90s in July. Winters are cold and dry with temperatures often dropping below zero. Spring is mild with occasional light rains while fall is usually pleasant with a cool breeze. Precipitation falls throughout the year, though most of it occurs during the late spring and early summer months when thunderstorms are common.
Glen Ullin, North Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Glen Ullin averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Glen Ullin. The US average is 205 sunny days.
Glen Ullin gets some kind of precipitation, on average, 81 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 83 degrees
Winter Low: the January low is 3
Rain: averages 17 inches of rain a year
Snow: averages 39 inches of snow a year