Greybull, WY has a semi-arid climate, with hot summers and cold winters. Temperatures can reach up to 90 degrees in the summer months and drop down to as low as -30 in the winter. The area averages around 18 inches of precipitation a year, mostly occurring during the spring and summer months. During this time thunderstorms are common throughout the area, with occasional hail and snowfall during the winter months. The area is generally sunny throughout the year, receiving an average of 233 days of sunshine per annum.
Greybull, Wyoming gets 7 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Greybull averages 19 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 Greybull. The US average is 205 sunny days.
Greybull gets some kind of precipitation, on average, 45 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 3
Rain: averages 7 inches of rain a year
Snow: averages 19 inches of snow a year