Humidity Levels in Virginia During December

The average humidity in December is listed below for places in Virginia. 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 7 am and Afternoon measures are for 4 pm local standard time.

Average relative humidity (%) in December
Daily Place Morning Afternoon
64 Arlington 71 56
70 Chantilly 78 57
68 Lynchburg 75 53
67 Norfolk 74 59
69 Richmond 80 55
64 Roanoke 72 52

Highest and Lowest Humidity

Below are the averages during December for maximum and minimum humidity levels in Virginia. 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
71.1 7 am Arlington 55.6 4 pm
78.2 7 am Chantilly 56.7 4 pm
74.5 7 am Lynchburg 52.9 4 pm
73.9 7 am Norfolk 58.1 1 pm
80.1 7 am Richmond 54.5 4 pm
71.9 7 am Roanoke 52.3 4 pm

World Data Center for Meteorology. Climate of the World.

Virginia Humidity
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