Humidity Levels in Virginia During August

The average humidity in August 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 August
Daily Place Morning Afternoon
69 Arlington 80 55
75 Chantilly 88 55
79 Lynchburg 88 57
75 Norfolk 84 63
77 Richmond 90 58
73 Roanoke 87 55

Highest and Lowest Humidity

Below are the averages during August 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 August
High Time Place Low Time
82.5 4 am Arlington 54.5 4 pm
91.1 4 am Chantilly 54.8 4 pm
91.7 4 am Lynchburg 56.8 4 pm
86.8 4 am Norfolk 61.2 1 pm
92.4 4 am Richmond 58.2 1 pm
88.8 4 am Roanoke 54.6 4 pm

World Data Center for Meteorology. Climate of the World.

Virginia Humidity
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