Average percent of sunshine in Willow Grove (PA)
The mean percent of sunhours during the day in Willow Grove (Pennsylvania), the United States of America.
- The sun shines on average 61.0% in August making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 48.0%.
Forecast for Willow Grove (PA)
broken clouds and rain
overcast and rain
partly cloudy and rain