Average monthly rainy days in Willow Grove (PA)
The number of days each month with rain, snow and hail in Willow Grove (Pennsylvania), the United States of America.
- On average, May is the most rainy with 13 days of rain/snow.
- On average, September is the driest month with 8 rainy days.
- The average annual number of rainy days is 130.
Forecast for Willow Grove (PA)
overcast and rain
partly cloudy and slight rain
partly cloudy and thunder