Annual Average Humidity in North Carolina

The average humidity year round is listed below for places in North Carolina. 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 yearly relative humidity (%)
Daily Place Morning Afternoon
76 Asheville 90 57
77 Cape Hatteras 82 68
67 Charlotte 83 51
70 Greensboro 83 52
70 Raleigh 85 52
74 Wilmington 84 59

Highest and Lowest Humidity

Below are averages over the year for maximum and minimum humidity levels in North Carolina. 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
90.2 7 am Asheville 56.9 4 pm
83.7 4 am Cape Hatteras 65.5 1 pm
82.5 7 am Charlotte 50.7 4 pm
83.1 7 am Greensboro 52.4 4 pm
84.6 7 am Raleigh 51.8 4 pm
85.6 4 am Wilmington 56.4 1 pm

World Data Center for Meteorology. Climate of the World.

North Carolina Humidity
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