Humidity Levels in Iowa During February

The average humidity in February is listed below for places in Iowa. 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 February
Daily Place Morning Afternoon
71 Des Moines 78 61
55 Dubuque 77 62
72 Sioux City 78 61
74 Waterloo 79 65

Highest and Lowest Humidity

Below are the averages during February for maximum and minimum humidity levels in Iowa. 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 February
High Time Place Low Time
77.9 6 am Des Moines 61.3 3 pm
77.0 6 am Dubuque 62.4 3 pm
78.4 6 am Sioux City 61.3 3 pm
79.1 6 am Waterloo 65.2 3 pm

World Data Center for Meteorology. Climate of the World.

Iowa Humidity
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