Annual Average Humidity in Tennessee

The average humidity year round is listed below for places in Tennessee. 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 or 7 am and Afternoon measures are for 3 or 4 pm local standard time.

Average yearly relative humidity (%)
Daily Place Morning Afternoon
71 Bristol 86 54
72 Chattanooga 87 53
72 Knoxville 85 54
67 Memphis 80 53
70 Nashville 84 53

Highest and Lowest Humidity

Below are averages over the year for maximum and minimum humidity levels in Tennessee. The hours when the highest and lowest humidity readings usually occur are given in local standard time.

Annual averages for daily high and low relative humidity (%)
High Time Place Low Time
85.5 7 am Bristol 53.5 4 pm
86.6 7 am Chattanooga 52.7 4 pm
85.4 7 am Knoxville 54.4 4 pm
79.9 6 am Memphis 53.0 3 pm
84.1 6 am Nashville 53.2 3 pm
Reference

World Data Center for Meteorology. Climate of the World.

Tennessee Humidity
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