Humidity Levels in North Carolina During May

The average humidity in May 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 relative humidity (%) in May
Daily Place Morning Afternoon
75 Asheville 92 57
77 Cape Hatteras 82 68
67 Charlotte 83 50
70 Greensboro 83 52
71 Raleigh 85 51
74 Wilmington 85 58

Highest and Lowest Humidity

Below are the averages during May for maximum and minimum humidity levels in North Carolina. 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 May
High Time Place Low Time
92.6 4 am Asheville 56.4 1 pm
86.8 4 am Cape Hatteras 65.0 1 pm
82.7 4 am Charlotte 49.5 4 pm
86.3 4 am Greensboro 52.2 4 pm
88.1 4 am Raleigh 51.4 4 pm
89.0 4 am Wilmington 55.2 1 pm

World Data Center for Meteorology. Climate of the World.

North Carolina Humidity
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