Humidity Levels in Arizona During May

The average humidity in May is listed below for places in Arizona. 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 8 am and Afternoon measures are for 5 pm local standard time.

Average relative humidity (%) in May
Daily Place Morning Afternoon
39 Flagstaff 41 26
22 Phoenix 27 13
22 Tucson 27 13
28 Winslow 34 17
28 Yuma 37 15

Highest and Lowest Humidity

Below are the averages during May for maximum and minimum humidity levels in Arizona. 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
61.8 5 am Flagstaff 26.1 2 pm
34.9 5 am Phoenix 13.0 5 pm
34.8 5 am Tucson 12.6 5 pm
44.6 5 am Winslow 15.9 2 pm
43.3 5 am Yuma 14.6 5 pm

World Data Center for Meteorology. Climate of the World.

Arizona Humidity
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