Helena Valley Northwest, MT has a mild four-season climate with warm summers and cold winters. Summers typically bring temperatures in the low 70s, while winters average the mid twenties and often drop below zero. The area gets an average of 20 inches of rain per year, as well as 40 inches of snowfall annually. The area can experience thunderstorms often during spring and summer months due to its location beneath the Rocky Mountains. Winters in Helena Valley Northwest are generally dry, although occasional snowstorms or wind events can occur.
Helena Valley Northwest, Montana gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Helena Valley Northwest averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 184 sunny days per year in Helena Valley Northwest. The US average is 205 sunny days.
Helena Valley Northwest gets some kind of precipitation, on average, 88 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 16
Rain: averages 12 inches of rain a year
Snow: averages 32 inches of snow a year