Annual Average Humidity in Louisiana

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The average humidity year round is listed below for places in Louisiana. 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 yearly relative humidity (%)
Daily Place Morning Afternoon
74 Baton Rouge 88 56
78 Lake Charles 91 60
76 New Orleans 88 61
72 Shreveport 88 53


Highest and Lowest Humidity

Below are averages over the year for maximum and minimum humidity levels in Louisiana. The hours when the highest and lowest humidity readings usually occur are given in local standard time.

Annual averages for daily high and low relative humidity (%)
High Time Place Low Time
88.4 6 am Baton Rouge 55.9 3 pm
90.5 6 am Lake Charles 59.7 3 pm
87.6 6 am New Orleans 60.7 3 pm
87.9 6 am Shreveport 53.0 3 pm
Reference

World Data Center for Meteorology. Climate of the World.

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