Humidity Levels in Oregon During March

The average humidity in March is listed below for places in Oregon. 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 7 am and Afternoon measures are for 4 pm local standard time.

Average relative humidity (%) in March
Daily Place Morning Afternoon
81 Astoria 88 71
80 Eugene 91 64
71 Medford 87 50
63 Pendleton 73 49
75 Portland 87 59
77 Salem 88 61

Highest and Lowest Humidity

Below are the averages during March for maximum and minimum humidity levels in Oregon. 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 March
High Time Place Low Time
87.9 7 am Astoria 70.1 1 pm
90.8 7 am Eugene 63.5 4 pm
87.3 7 am Medford 50.1 4 pm
73.3 7 am Pendleton 49.1 4 pm
86.6 7 am Portland 59.2 4 pm
88.1 7 am Salem 61.2 4 pm

World Data Center for Meteorology. Climate of the World.

Oregon Humidity
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