59859 Plains, MT enjoys a mild climate throughout the year with low humidity and moderate temperatures. Summers in this area are generally warm and dry with temperatures reaching a peak of around 80 degrees Fahrenheit during the day and dropping to an average low of 50 degrees Fahrenheit at night. Winters can become quite cold, with temperatures staying below freezing for most of the season and often dipping into the single digits at night. Precipitation is relatively light throughout the year with most of it coming as snowfall in winter months.
Plains (zip 59859), Montana gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Plains (zip 59859) averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 155 sunny days per year in Plains (zip 59859). The US average is 205 sunny days.
Plains (zip 59859) gets some kind of precipitation, on average, 130 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 86 degrees
Winter Low: the January low is 21
Rain: averages 19 inches of rain a year
Snow: averages 39 inches of snow a year