April weather forecastWillow Grove, PA
April
Weather in April
April in Willow Grove, Pennsylvania, is an enjoyable spring month, with an average temperature varying between 44.1°F (6.7°C) and 61.2°F (16.2°C).Temperature
As March gives way to April, the average high-temperature displays an increase, moving from a frosty 48.7°F (9.3°C) to a refreshing 61.2°F (16.2°C). Nighttime temperature in Willow Grove dips to a mean of 44.1°F (6.7°C) during April.Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.Rainfall
In April, the rain falls for 11.9 days. Throughout April, 0.98" (25mm) of precipitation is accumulated. In Willow Grove, during the entire year, the rain falls for 122.4 days and collects up to 12.68" (322mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Willow Grove aggregates 0.04" (1mm) of snow. In Willow Grove, during the entire year, snow falls for 16.3 days and aggregates up to 4.72" (120mm) of snow.Daylight
The average length of the day in April is 13h and 18min.On the first day of April, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:54 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Willow Grove, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Willow Grove, PA
- Average high temperature in April: 61.2°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in April: 44.1°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in April
Willow Grove, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Willow Grove, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in April
Willow Grove, PA
- Average humidity in April: 72%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in April
Willow Grove, PA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in April
Willow Grove, PA
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in April
Willow Grove, PA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Willow Grove, PA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Willow Grove, PA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Willow Grove, PA
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in April
Willow Grove, PA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Willow Grove, PA
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Willow Grove, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
