Humidity Levels in Wisconsin During May

The average humidity in May is listed below for places in Wisconsin. 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 am and Afternoon measures are for 3 pm local standard time.

Average relative humidity (%) in May
Daily Place Morning Afternoon
66 Green Bay 79 52
65 La Crosse 81 49
66 Madison 80 50
69 Milwaukee 78 58

Highest and Lowest Humidity

Below are the averages during May for maximum and minimum humidity levels in Wisconsin. 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
79.0 3 am Green Bay 51.6 3 pm
80.5 6 am La Crosse 48.6 3 pm
81.3 3 am Madison 49.7 3 pm
78.5 3 am Milwaukee 58.2 3 pm

World Data Center for Meteorology. Climate of the World.

Wisconsin Humidity
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