Humidity Levels in Virginia During July





The average humidity in July 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 July
Daily Place Morning Afternoon
67 Arlington 76 53
73 Chantilly 85 54
77 Lynchburg 86 56
73 Norfolk 82 60
75 Richmond 86 57
71 Roanoke 83 55

Highest and Lowest Humidity

Below are the averages during July 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 July
High Time Place Low Time
80.0 4 am Arlington 53.1 4 pm
90.2 4 am Chantilly 54.1 4 pm
88.5 4 am Lynchburg 56.4 4 pm
85.8 4 am Norfolk 59.4 1 pm
90.9 4 am Richmond 56.5 4 pm
87.2 4 am Roanoke 54.3 1 pm
Reference

World Data Center for Meteorology. Climate of the World.

Virginia Humidity
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