Thermopolis, WY has a semi-arid climate with mild temperatures and low humidity throughout the year. Summers are generally warm and dry, while winters tend to be cold and snowy. The area can experience occasional strong winds, but overall it is quite pleasant for most of the year. Precipitation is fairly consistent throughout the year, with an average of about 12 inches per year. Some areas of Thermopolis receive more rain than others, and snowfall in the winter months has been known to reach up to two feet in a single day.
Thermopolis, Wyoming gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Thermopolis averages 22 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 Thermopolis. The US average is 205 sunny days.
Thermopolis 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.
Summer High: the July high is around 90 degrees
Winter Low: the January low is 7
Rain: averages 11 inches of rain a year
Snow: averages 22 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Thermopolis is 7.0 (10=best), which means it is one of the most pleasant places in Wyoming.
8.4 / 5.1
Summer / Winter
June, September and May are the most pleasant months in Thermopolis, while December and January are the least comfortable months.