Humidity Levels in Wyoming During December

The average humidity in December 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 relative humidity (%) in December
Daily Place Morning Afternoon
64 Casper 68 62
54 Cheyenne 57 52
65 Lander 69 62
67 Sheridan 70 65

Highest and Lowest Humidity

Below are the averages during December for maximum and minimum humidity levels in Wyoming. The hours when this month's highest and lowest humidity readings usually occur are given in local standard time.

Daily high and low relative humidity (%) averages in December
High Time Place Low Time
68.0 5 am Casper 53.5 2 pm
58.6 11 pm Cheyenne 43.3 2 pm
68.7 8 am Lander 55.2 2 pm
70.8 2 am Sheridan 56.0 2 pm

World Data Center for Meteorology. Climate of the World.

Wyoming Humidity
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