April weather forecastSlatefield, PA
April
Weather in April
April in Slatefield, Pennsylvania, is a refreshing spring month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 56.8°F (13.8°C).Temperature
As April arrives, Slatefield's weather shows an increase in high-temperatures, moving from March's chilly 44.2°F (6.8°C) to a moderate 56.8°F (13.8°C). Slatefield experiences an average temperature drop to an icy 38.8°F (3.8°C) during April nights.Humidity
The months with the lowest humidity in Slatefield are April and July, with an average relative humidity of 77%.Rainfall
In Slatefield, Pennsylvania, during April, the rain falls for 15.9 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Slatefield, during the entire year, the rain falls for 155.1 days and collects up to 29.45" (748mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Slatefield, during April, snow falls for 1.5 days and regularly aggregates up to 0.28" (7mm) of snow. In Slatefield, during the entire year, snow falls for 34 days and aggregates up to 16.73" (425mm) of snow.Daylight
In Slatefield, the average length of the day in April is 13h and 20min.On the first day of April in Slatefield, Pennsylvania, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:57 pm EDT.
Sunshine
The average sunshine in April in Slatefield is 7.9h.UV index
In Slatefield, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Slatefield, PA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Slatefield, PA
- Average pressure in April: 29.98"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
Slatefield, PA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Slatefield, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in April
Slatefield, PA
- Average rainfall in April: 2.68"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Slatefield, PA
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in April
Slatefield, PA
- Average snowfall in April: 0.28"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Slatefield, PA
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Slatefield, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in April
Slatefield, PA
- Average sunshine days in April: 12 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Slatefield, PA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Slatefield, PA
- Average cloud cover in April: 48
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Slatefield, 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).





