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 brings an increase in the average high-temperature, moving from a chilly 48.2°F (9°C) in March to a refreshing 60.4°F (15.8°C). Winterstown's average low-temperature is measured at a frosty 42.8°F (6°C) during April.Humidity
The months with the lowest humidity are March, April and November, with an average relative humidity of 76%.Rainfall
In Winterstown, during April, the rain falls for 14.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 139.8 rainfall days, and 22.95" (583mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Winterstown. In April, it is snowing for 0.6 days. Throughout April, 0.2" (5mm) of snow is accumulated. In Winterstown, during the entire year, snow falls for 18.4 days and aggregates up to 9.13" (232mm) of snow.Daylight
The average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:06 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April in Winterstown, Pennsylvania, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are April temperatures in Winterstown?
What is the least humid month in Winterstown?
What is the average humidity in April in Winterstown?
How much does it rain in Winterstown in April?
How many days does it snow in April in Winterstown?
How many hours of daylight does Winterstown have in April?
When is the sunrise / sunset in April in Winterstown?
How many hours of sunshine does Winterstown have in April?
What is the UV index intensity in April in Winterstown?
Average temperature in April
Winterstown, PA
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in April: 42.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Winterstown, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Winterstown, PA
- Average wind speed in April: 8.7mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Winterstown, PA
- Average humidity in April: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March, April and November (76%).
Average rainfall in April
Winterstown, PA
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in April
Winterstown, PA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in April
Winterstown, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Winterstown, PA
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is February (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
Winterstown, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Winterstown, PA
- Average sunshine days in April: 14 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in April
Winterstown, 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, November and December (UV index 2).
Average cloud cover in April
Winterstown, PA
- Average cloud cover in April: 44
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Winterstown, 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).
Winterstown, Pennsylvania, USA
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