Cheyenne Weather History
Wyoming · US States · Weather data 1976–today
Cheyenne sits 4580km from the equator, 1860m above sea level. That combination gives it a mild climate with rain spread evenly through the year (Temperate oceanic climate). Its record high is 37.3°C, set 2026-08-02, its record low -36.1°C, set 1990-12-22.
Data through August 4, 2026.
Frequently asked questions about the weather in Cheyenne
What is the hottest temperature ever recorded in Cheyenne?
The highest temperature in this record for Cheyenne is 37.3°C, measured on 2026-08-02. That is a recorded daily value from Cheyenne's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Cheyenne?
The lowest temperature in this record for Cheyenne is -36.1°C, measured on 1990-12-22. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Cheyenne get a year?
Cheyenne averages 472mm of precipitation a year, spread across roughly 91 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Cheyenne?
On 1977-07-25, 83.5mm fell on Cheyenne, the highest single-day total in this series. For scale, that is roughly 18% of what the city receives in an average full year, in one day.
How many hours of sunshine does Cheyenne get a year?
Cheyenne averages 3769 sunshine hours a year, which works out to about 10.3 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Cheyenne?
Across the summer months Cheyenne averages a daytime high near 26°C, while winter nights average -7.1°C. The seasons here are set from Cheyenne's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Cheyenne?
The strongest wind speed recorded in Cheyenne is 70 km/h, on 2017-03-06. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
