Swan Valley, ID has a semi-arid climate with hot summers and cold winters. Summers are generally dry with temperatures that can exceed 100 degrees Fahrenheit, while the winter months remain cold with temperatures dipping below 0 Fahrenheit at night. Despite the lack of precipitation in the area, it is still very green and lush due to the many streams and wetlands that provide water for local plants and animals. Winters also bring occasional snowfall, which helps to keep the landscape looking beautiful during the cooler months.
Swan Valley, Idaho gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Swan Valley averages 71 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Swan Valley. The US average is 205 sunny days.
Swan Valley gets some kind of precipitation, on average, 105 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 83 degrees
Winter Low: the January low is 13
Rain: averages 18 inches of rain a year
Snow: averages 71 inches of snow a year