Old Agency, MT has a humid continental climate with cold winters and warm summers. The average temperature in January is 16ºF and in July it is 73ºF. The area receives an average of 30 inches of precipitation annually, with snow being the most common type during the winter months. The area also experiences frequent thunderstorms and occasional tornadoes during the summer months. Overall, Old Agency's climate provides for a wide range of outdoor activities throughout the year.
Old Agency, Montana gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Old Agency averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 157 sunny days per year in Old Agency. The US average is 205 sunny days.
Old Agency gets some kind of precipitation, on average, 111 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 22
Rain: averages 16 inches of rain a year
Snow: averages 39 inches of snow a year