Humidity Levels in Virginia During October

The average humidity in October 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 October
Daily Place Morning Afternoon
67 Arlington 79 52
73 Chantilly 88 52
67 Lynchburg 85 51
72 Norfolk 82 59
74 Richmond 89 52
69 Roanoke 83 50

Highest and Lowest Humidity

Below are the averages during October 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 October
High Time Place Low Time
79.2 4 am Arlington 51.9 4 pm
87.7 7 am Chantilly 52.0 4 pm
84.6 7 am Lynchburg 50.7 4 pm
81.9 4 am Norfolk 57.8 1 pm
89.2 7 am Richmond 51.7 4 pm
83.2 7 am Roanoke 49.5 4 pm

World Data Center for Meteorology. Climate of the World.

Virginia Humidity
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