Humidity Levels in Pennsylvania During July





The average humidity in July 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 July
Daily Place Morning Afternoon
69 Allentown 82 52
72 Erie 79 61
69 Harrisburg 80 53
70 Philadelphia 79 54
69 Pittsburgh 83 53
71 Wilkes-Barre & Scranton 85 55
74 Williamsport 88 55

Highest and Lowest Humidity

Below are the averages during July 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 July
High Time Place Low Time
86.2 4 am Allentown 51.8 4 pm
82.1 4 am Erie 61.0 4 pm
84.2 4 am Harrisburg 52.7 4 pm
84.6 4 am Philadelphia 53.9 4 pm
84.2 4 am Pittsburgh 52.9 4 pm
85.5 4 am Wilkes-Barre & Scranton 54.9 4 pm
92.2 4 am Williamsport 54.7 4 pm
Reference

World Data Center for Meteorology. Climate of the World.

Pennsylvania Humidity
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