Humidity Levels in Pennsylvania During March





The average humidity in March is listed below for places in Pennsylvania. 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
63 Allentown 74 50
72 Erie 77 65
61 Harrisburg 71 49
62 Philadelphia 72 50
64 Pittsburgh 74 54
63 Wilkes-Barre & Scranton 73 54
64 Williamsport 77 51

Highest and Lowest Humidity

Below are the averages during March for maximum and minimum humidity levels in Pennsylvania. 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
74.2 7 am Allentown 49.7 4 pm
77.1 7 am Erie 65.3 4 pm
71.2 7 am Harrisburg 49.2 4 pm
71.5 7 am Philadelphia 50.0 4 pm
74.4 7 am Pittsburgh 53.5 4 pm
72.9 7 am Wilkes-Barre & Scranton 53.6 4 pm
76.5 7 am Williamsport 51.1 4 pm
Reference

World Data Center for Meteorology. Climate of the World.

Pennsylvania Humidity
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