Humidity Levels in South Dakota During December





The average humidity in December is listed below for places in South Dakota. 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 6 am and Afternoon measures are for 3 pm local standard time. At one place, Rapid City, humidity data are for 8 am and 5 pm.

Average relative humidity (%) in December
Daily Place Morning Afternoon
76 Aberdeen 80 68
74 Huron 78 64
65 Rapid City 68 64
76 Sioux Falls 80 66

Highest and Lowest Humidity

Below are the averages during December for maximum and minimum humidity levels in South Dakota. 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
80.0 6 am Aberdeen 67.5 3 pm
78.2 6 am Huron 63.6 3 pm
68.6 5 am Rapid City 54.8 2 pm
79.6 6 am Sioux Falls 66.3 3 pm
Reference

World Data Center for Meteorology. Climate of the World.

South Dakota Humidity
Back to Top