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
As Penn enters April, the average high-temperature increases from the a chilly 46.9°F (8.3°C) of March to a mild 59.7°F (15.4°C). An average low-temperature of 40.6°F (4.8°C) is observed during April nights.Humidity
April, July and August, with an average relative humidity of 77%, are the least humid months.Rainfall
In Penn, during April, the rain falls for 17.9 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 183.8 rainfall days, and 35.16" (893mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Penn. In Penn, in April, during 2.9 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, there are 65 snowfall days, and 28.98" (736mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 19min.On the first day of April in Penn, sunrise is at 7:00 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:13 pm EDT.
Sunshine
In Penn, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April in Penn?
How many days does it snow in April?
How many hours of daylight does Penn have in April?
When are sunrise and sunset in April in Penn?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Penn, PA
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
Penn, 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
Penn, PA
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Penn, PA
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in April
Penn, PA
- Average rainfall in April: 3.46"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in April
Penn, PA
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in April
Penn, PA
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Penn, PA
- Average snowfall days in April: 2.9 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Penn, 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 24min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in April
Penn, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in April
Penn, PA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Penn, PA
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Penn, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Penn, Pennsylvania, USA
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