59024 Custer, MT has a mild climate with warm summers and cool winters. The average annual temperature is around 40°F (4°C), with the hottest month of July reaching an average high of 77°F (25°C) and January's coldest month usually staying close to 11°F (-12°C). The area gets an average of 19 inches (48 cm) of rainfall throughout the year, most of which occurs in May and June. Snowfall is common in winter months, but the snow quickly melts away when temperatures rise during springtime. Overall, Custer has the ideal climate for outdoor activities all year round.
Custer (zip 59024), Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Custer (zip 59024) averages 45 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Custer (zip 59024). The US average is 205 sunny days.
Custer (zip 59024) gets some kind of precipitation, on average, 72 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 89 degrees
Winter Low: the January low is 11
Rain: averages 13 inches of rain a year
Snow: averages 45 inches of snow a year