Annual Average Humidity in Wyoming

The average humidity year round is listed below for places in Wyoming. The tables give daily averages along with highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are averages for the years 1961 to 1990.

Average Humidity

In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 8 am and Afternoon measures are for 5 pm local standard time.

Average yearly relative humidity (%)
Daily Place Morning Afternoon
56 Casper 61 43
53 Cheyenne 55 44
53 Lander 60 43
60 Sheridan 64 48

Highest and Lowest Humidity

Below are averages over the year for maximum and minimum humidity levels in Wyoming. The hours when the highest and lowest humidity readings usually occur are given in local standard time.

Annual averages for daily high and low relative humidity (%)
High Time Place Low Time
70.3 5 am Casper 39.1 2 pm
64.9 5 am Cheyenne 38.5 2 pm
63.3 5 am Lander 40.4 2 pm
72.0 5 am Sheridan 43.9 2 pm

World Data Center for Meteorology. Climate of the World.

Wyoming Humidity
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