Humidity Levels in Arizona During August

The average humidity in August 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 August
Daily Place Morning Afternoon
58 Flagstaff 61 43
36 Phoenix 46 23
47 Tucson 57 32
45 Winslow 53 29
40 Yuma 52 24

Highest and Lowest Humidity

Below are the averages during August 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 August
High Time Place Low Time
77.4 5 am Flagstaff 40.5 11 am
50.9 5 am Phoenix 23.2 5 pm
64.4 5 am Tucson 29.2 2 pm
63.8 5 am Winslow 26.6 2 pm
55.1 5 am Yuma 24.3 5 pm

World Data Center for Meteorology. Climate of the World.

Arizona Humidity
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