Cheyenne (WY) Climate by Month
The climate in Cheyenne is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It typically sees modest rain/snowfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
In Cheyenne, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 29°C in July to a chilly 3°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to -9°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Cheyenne typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 436 mm. The climate in Cheyenne shows significant variation throughout the year. Expect moderate rainfall in May, with an average of 68 mm of precipitation over 15 rainy days. In contrast, January offers drier and sunnier days, with around 7.7 mm of snow/rainfall over 4 snowy/rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Cheyenne serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.7 hours of sunshine daily, and embrace the darker days in December, offering only 5.9 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Cheyenne.
Relative humidity over the year
The best time of year to visit Cheyenne in the United States of America
During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of January, February, November and December are very dry.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 3°C.
May tops the wettest month list with 68 mm of rainfall.
January is the driest month with 8 mm of precipitation.
July is the sunniest month with an average of 320 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
