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 arrival of April brings an increase in high-temperatures, moving from a frosty 47.8°F (8.8°C) in March to a refreshing 59.9°F (15.5°C). Throughout the month of April, Lower Allen witnesses an average temperature of 41.7°F (5.4°C).Humidity
April is the least humid month in Lower Allen, with an average relative humidity of 75%.Rainfall
In Lower Allen, Pennsylvania, in April, it is raining for 15.7 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 146 rainfall days, and 19.53" (496mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lower Allen are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Lower Allen aggregates 0.08" (2mm) of snow. Throughout the year, in Lower Allen, there are 23.2 snowfall days, and 8.39" (213mm) of snow is accumulated.Daylight
The average length of the day in April in Lower Allen is 13h and 18min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:32 pm. On the last day of April, in Lower Allen, sunrise is at 6:07 am and sunset at 8:02 pm EDT.
Sunshine
In Lower Allen, Pennsylvania, the average sunshine in April is 8.3h.UV index
In Lower Allen, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in April transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the average April temperature in Lower Allen?
What is the least humid month in Lower Allen?
What is the average humidity in April in Lower Allen?
How many days does it rain in April in Lower Allen?
What is the last month it snows in Lower Allen?
How many hours of daylight does Lower Allen have in April?
When are sunrise and sunset in April in Lower Allen?
How many hours of sunshine does Lower Allen have in April?
How high is the UV index in April in Lower Allen?
Average temperature in April
Lower Allen, PA
- Average high temperature in April: 59.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Lower Allen, 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 (29.95"Hg).
Average wind speed in April
Lower Allen, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Lower Allen, PA
- Average humidity in April: 75%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Lower Allen, PA
- Average rainfall in April: 1.65"
The wettest months (with the highest rainfall) are May and August (2.09").
The driest months (with the least rainfall) are January and September (1.3").
Average rainfall days in April
Lower Allen, PA
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Lower Allen, PA
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Lower Allen, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Lower Allen, 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: 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 30min).
Average sunshine days in April
Lower Allen, PA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12 days).
Average UV index in April
Lower Allen, PA
- Average UV index in April: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Lower Allen, PA
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Lower Allen, 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).
Lower Allen, Pennsylvania, USA
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