The climate in 59405 Great Falls, MT is characterized by hot summers and cold winters. During the summer months, temperatures can reach as high as 90°F during the day with warm nights averaging around 60°F. In the winter, temperatures typically fall below freezing with an average low of 11°F. Precipitation is fairly evenly distributed throughout the year, with most areas receiving 24 to 30 inches annually. The area also experiences fairly frequent windy days due to its close proximity to multiple mountain ranges.
Great Falls (zip 59405), Montana gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Great Falls (zip 59405) averages 58 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 Great Falls (zip 59405). The US average is 205 sunny days.
Great Falls (zip 59405) gets some kind of precipitation, on average, 90 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 85 degrees
Winter Low: the January low is 17
Rain: averages 14 inches of rain a year
Snow: averages 58 inches of snow a year