April weather forecast
Arlington Knolls, PA

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Weather in April

April in Arlington Knolls, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 58.5°F (14.7°C) and 40.5°F (4.7°C).

Temperature

The shift into April brings an increase in the average high-temperature, moving from a chilly 46°F (7.8°C) in March to a refreshing 58.5°F (14.7°C). Arlington Knolls's average low-temperature during April nights is observed to be a cold 40.5°F (4.7°C).

Humidity

April and July, with an average relative humidity of 76%, are the least humid months in Arlington Knolls, Pennsylvania.

Rainfall

In April, in Arlington Knolls, Pennsylvania, the rain falls for 15.3 days. Throughout April, 2.87" (73mm) of precipitation is accumulated. In Arlington Knolls, during the entire year, the rain falls for 162.5 days and collects up to 31.69" (805mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Arlington Knolls, Pennsylvania. In Arlington Knolls, during April, snow falls for 0.3 days and regularly aggregates up to 0.2" (5mm) of snow. In Arlington Knolls, during the entire year, snow falls for 32.3 days and aggregates up to 17.24" (438mm) of snow.

Daylight

In April, the average length of the day in Arlington Knolls is 13h and 19min.
On the first day of the month, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:57 pm EDT.

Sunshine

The average sunshine in April is 7.9h.

UV index

In April, the average daily maximum UV index in Arlington Knolls is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, the UV index of 4 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the average April temperature in Arlington Knolls?

An average high-temperature, in April, in Arlington Knolls, is 58.5°F (14.7°C) and the average low-temperature is 40.5°F (4.7°C).

What is the least humid month in Arlington Knolls?

The months with the lowest humidity in Arlington Knolls, Pennsylvania, are April and July, with an average relative humidity of 76%.

What is the average humidity in April in Arlington Knolls?

In April, the average relative humidity in Arlington Knolls, Pennsylvania, is 76%.

How many days does it rain in April in Arlington Knolls?

In Arlington Knolls, Pennsylvania, in April, during 15.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

How many days does it snow in April in Arlington Knolls?

In Arlington Knolls, Pennsylvania, in April, snow falls for 0.3 days, with typically accumulated 0.2" (5mm) of snow.

What is the average length of the day in April in Arlington Knolls?

The average day length in April is 13h and 19min.

When are sunrise and sunset in April in Arlington Knolls?

On the first day of April in Arlington Knolls, Pennsylvania, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:57 pm EDT.

How many hours of sunshine does Arlington Knolls have in April?

In Arlington Knolls, Pennsylvania, the average sunshine duration in April is 7.9h.

What is the UV index intensity in April in Arlington Knolls?

The average daily maximum UV index in April in Arlington Knolls is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Arlington Knolls, PA

Average temperature in April - Arlington Knolls, PA
  • Average high temperature in April: 58.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in April: 40.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in April
Arlington Knolls, PA

Average pressure in April - Arlington Knolls, PA
  • Average pressure in April: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in April
Arlington Knolls, PA

Average wind speed in April - Arlington Knolls, PA
  • Average wind speed in April: 7.9mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in April
Arlington Knolls, PA

Average humidity in April - Arlington Knolls, PA
  • Average humidity in April: 76%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in April
Arlington Knolls, PA

Average rainfall in April - Arlington Knolls, PA
  • Average rainfall in April: 2.87"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in April
Arlington Knolls, PA

Average rainfall days in April - Arlington Knolls, PA
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).

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Average snowfall in April
Arlington Knolls, PA

Average snowfall in April - Arlington Knolls, PA
  • Average snowfall in April: 0.2"

The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Arlington Knolls, PA

Average snowfall days in April - Arlington Knolls, PA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Arlington Knolls, PA

Average daylight in April / Average sunshine in April - Arlington Knolls, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in April
Arlington Knolls, PA

Average sunshine days in April - Arlington Knolls, PA
  • Average sunshine days in April: 12.6 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).

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Average UV index in April
Arlington Knolls, PA

Average UV index in April - Arlington Knolls, PA
  • Average UV index in April: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in April
Arlington Knolls, PA

Average cloud cover in April - Arlington Knolls, PA
  • Average cloud cover in April: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in April
Arlington Knolls, PA

Average visibility in April - Arlington Knolls, PA
  • Average visibility in April: 6mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Arlington Knolls, Pennsylvania, USA

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