Kirby, WY has a semi-arid climate with low annual rainfall and hot summers. The average summer temperatures are generally in the 80s and 90s, while the average winter temperatures are typically in the 30s and 40s. During the winter, precipitation is usually limited to light snowfall. Summers are generally dry with occasional thunderstorms producing intense rain and hail but rarely severe weather. Due to its location at higher elevations, Kirby can experience colder temperatures than other nearby towns during extreme cold snaps resulting from polar outbreaks.
Kirby (zip 82430), Wyoming gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Kirby (zip 82430) averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 235 sunny days per year in Kirby (zip 82430). The US average is 205 sunny days.
Kirby (zip 82430) gets some kind of precipitation, on average, 61 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 90 degrees
Winter Low: the January low is 6
Rain: averages 11 inches of rain a year
Snow: averages 23 inches of snow a year