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 start of April brings a rise in the average high-temperature, moving from a wintry 41.2°F (5.1°C) in March to a cool 53.4°F (11.9°C). An average temperature of 35.6°F (2°C) marks the nights in April.Humidity
In April, the average relative humidity is 80%.Rainfall
The month with the most rainfall is April, when the rain falls for 18 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Westline, Pennsylvania, during April, snow falls for 6.7 days and regularly aggregates up to 3.86" (98mm) of snow. In Westline, during the entire year, snow falls for 99.3 days and aggregates up to 56.69" (1440mm) of snow.Daylight
In Westline, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:11 am and sunset at 8:12 pm EDT.
Sunshine
In Westline, the average sunshine in April is 6.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Westline in April?
What is the average humidity in April?
What is the wettest month?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Westline have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Westline have in April?
How high is the UV index in April in Westline?
Average temperature in April
Westline, PA
- Average high temperature in April: 53.4°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in April
Westline, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Westline, PA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Westline, PA
- Average humidity in April: 80%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in April
Westline, PA
- Average rainfall in April: 4.09"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in April
Westline, PA
- Average rainfall days in April: 18 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in April
Westline, PA
- Average snowfall in April: 3.86"
The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Westline, PA
- Average snowfall days in April: 6.7 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Westline, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in April
Westline, PA
- Average sunshine days in April: 7.8 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (4.5 days).
Average UV index in April
Westline, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Westline, PA
- Average cloud cover in April: 56
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in April
Westline, PA
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Westline, Pennsylvania, USA
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