Average humidity in Harrisburg (PA)

On this page you find more information about the monthly relative humidity over the year in Harrisburg (Pennsylvania), the United States of America.

Harrisburg shows variation in the level of humidity throughout the year. The highest humidity is noted duing September, it reaches up to 73%, which is categorized as high.

On the other hand, the lowest humidity is recorded in April, with levels falling to 59%.

The average humidity in Harrisburg is approximately 66%, which is high.

Humidity is an essential factor in how you experience temperature. During the warmest month, July, the temperature is around 30°C. When this period is accompanied by high humidity, it results in a higher perceived temperature. This can cause greater discomfort, while in winter it can make the air feel much colder, adding to the cooler temperatures. Check out our detailed temperature page for more information.