Mammoth, WY has a semi-arid climate with hot summers and cold winters. The area receives an average of only 8 inches of precipitation each year, making it one of the driest regions in Wyoming. Summers are typically warm with temperatures reaching up to 90 degrees Fahrenheit on some days while winter temperatures can drop as low as -30 degrees Fahrenheit. Snowfall is common throughout the winter months and often lasts until spring. The region generally experiences clear skies and sunny days, making it a great destination for outdoor activities such as hiking and camping.
Mammoth, Wyoming gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mammoth averages 199 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 212 sunny days per year in Mammoth. The US average is 205 sunny days.
Mammoth gets some kind of precipitation, on average, 149 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 72 degrees
Winter Low: the January low is 1
Rain: averages 22 inches of rain a year
Snow: averages 199 inches of snow a year