April weather forecastGrassmere Park, PA
April
Weather in April
April is a refreshing spring month in Grassmere Park, Pennsylvania, with an average temperature varying between 38.3°F (3.5°C) and 56.5°F (13.6°C).Temperature
The rise of average high-temperatures is seen in April, with an increase from a frosty 44.4°F (6.9°C) in March to a moderate 56.5°F (13.6°C). In April, the nighttime temperature lowers to an average of 38.3°F (3.5°C).Humidity
With an average relative humidity of 77%, April is the least humid month.Rainfall
The wettest months are April and May, with an average 2.99" (76mm) of rainfall.Snowfall
January through May, October through December are months with snowfall in Grassmere Park, Pennsylvania. In Grassmere Park, during April, snow falls for 1.8 days and regularly aggregates up to 0.35" (9mm) of snow. In Grassmere Park, Pennsylvania, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) of snow.Daylight
In Grassmere Park, the average length of the day in April is 13h and 21min.On the first day of April, sunrise is at 6:47 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:02 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Grassmere Park, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. On your guard! Snow's reflection can almost 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
Grassmere Park, PA
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in April
Grassmere Park, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Grassmere Park, PA
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Grassmere Park, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Grassmere Park, PA
- Average rainfall in April: 2.99"
The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Grassmere Park, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in April
Grassmere Park, PA
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grassmere Park, PA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grassmere Park, PA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in April
Grassmere Park, PA
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in April
Grassmere Park, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Grassmere Park, PA
- Average cloud cover in April: 50
The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Grassmere Park, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
