Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift into April is characterized by a rise in the average high-temperature, transitioning from March's chilly 44.2°F (6.8°C) to a mild 56.8°F (13.8°C). The average low-temperature during April nights is a wintry 38.7°F (3.7°C).Humidity
The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.Rainfall
In Heilwood, Pennsylvania, in April, during 12.4 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 121.6 rainfall days, and 10.75" (273mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Heilwood, in April, during 2.7 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Heilwood, during the entire year, snow falls for 49.1 days and aggregates up to 10.43" (265mm) of snow.Daylight
The average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:57 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:11 pm EDT.
Sunshine
In Heilwood, the average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Heilwood, PA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Heilwood, 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 (29.95"Hg).
Average wind speed in April
Heilwood, PA
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Heilwood, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in April
Heilwood, PA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in April
Heilwood, PA
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in April
Heilwood, PA
- Average snowfall in April: 0.59"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Heilwood, PA
- Average snowfall days in April: 2.7 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Heilwood, PA
- Average daylight in April: 13h and 2min
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 18min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in April
Heilwood, PA
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in April
Heilwood, 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
Heilwood, PA
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Heilwood, 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).
Heilwood, Pennsylvania, USA
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