The climate in 82601 Casper, WY is a semi-arid continental climate, with cold and dry winters and warm and slightly wetter summers. Average January temperatures range from 20 to 40 degrees Fahrenheit, while the average July temperature is between 65 and 85 degrees Fahrenheit. Annual precipitation for the area is about 12 inches per year on average. Snowfall can occur throughout the winter months, with an average of around 39 inches falling annually. The wind usually blows from the west or northwest during the summer months, making it feel cooler than it might be otherwise.
Casper (zip 82601), Wyoming gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Casper (zip 82601) averages 70 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Casper (zip 82601). The US average is 205 sunny days.
Casper (zip 82601) gets some kind of precipitation, on average, 79 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 88 degrees
Winter Low: the January low is 15
Rain: averages 13 inches of rain a year
Snow: averages 70 inches of snow a year