Average humidity in Willow Grove (PA)

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

Willow Grove's humidity levels vary throughout the year. The highest levels occur in September, reaching 72% (high), while the lowest is recorded in April at 61%.

Throughout the year, the average humidity in Willow Grove is 67%.

Humidity plays an important role in how temperatures are felt. During the warmest month, July, the maximum average temperature is around 30°C (86°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.

During the coldest month, January, the maximum average temperature is around 4°C (39°F). This period has high humidity. When winter temperatures are low and humidity is high, it can make the air feel even colder than it actually is. Check out our detailed temperature page for more information.