59520 Big Sandy, MT has a warm summer continental climate, with mild to warm summers and cold winters. The average temperature in the summer months is around 70掳F (21掳C), while winter temperatures often reach well below freezing. Snowfall is common during the winter months, sometimes reaching over 40 inches (102 cm) of snow in one season. The area generally experiences low humidity and breezy conditions year-round due to its inland location away from larger bodies of water. Rainfall averages at around 19 inches (48 cm) annually, with most of the precipitation occurring during the spring and autumn months.
Big Sandy (zip 59520), Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Big Sandy (zip 59520) averages 36 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 Big Sandy (zip 59520). The US average is 205 sunny days.
Big Sandy (zip 59520) gets some kind of precipitation, on average, 58 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 9
Rain: averages 13 inches of rain a year
Snow: averages 36 inches of snow a year