April weather forecast
Clarks Summit, PA

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Weather in April

April in Clarks Summit, Pennsylvania, is a cool spring month, with an average temperature varying between 54.5°F (12.5°C) and 36.5°F (2.5°C).

Temperature

Clarks Summit's transition into April is marked by a temperature shift, moving from an icy 41.9°F (5.5°C) in March to a fresh 54.5°F (12.5°C). Throughout the month of April, Clarks Summit observes an average nighttime temperature of 36.5°F (2.5°C).

Humidity

In Clarks Summit, the average relative humidity in April is 78%.

Rainfall

In Clarks Summit, in April, during 17 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Clarks Summit, during the entire year, the rain falls for 165.6 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Clarks Summit. In Clarks Summit, during April, snow falls for 4.2 days and regularly aggregates up to 1.14" (29mm) of snow. In Clarks Summit, during the entire year, snow falls for 67.9 days and aggregates up to 33.62" (854mm) of snow.

Daylight

In Clarks Summit, the average length of the day in April is 13h and 22min.
On the first day of April in Clarks Summit, Pennsylvania, sunrise is at 6:44 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:59 pm EDT.

Sunshine

In Clarks Summit, the average sunshine in April is 7.1h.

UV index

In Clarks Summit, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the average April temperature in Clarks Summit?

In Clarks Summit, in April, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 36.5°F (2.5°C).

What is the average humidity in April in Clarks Summit?

The average relative humidity in April is 78%.

How many days does it rain in April in Clarks Summit?

In Clarks Summit, in April, it is raining for 17 days, with typically 2.6" (66mm) of accumulated precipitation.

How much does it snow in Clarks Summit in April?

In Clarks Summit, Pennsylvania, in April, during 4.2 snowfall days, 1.14" (29mm) of snow is typically accumulated.

What is the average length of the day in April in Clarks Summit?

In April, the average day length in Clarks Summit, Pennsylvania, is 13h and 22min.

When is the sunrise / sunset in April in Clarks Summit?

In April, on the first day of the month, sunrise is at 6:44 am and sunset at 7:28 pm. On the last day of the month, in Clarks Summit, sunrise is at 6:00 am and sunset at 7:59 pm EDT.

How many hours of sunshine does Clarks Summit have in April?

The average sunshine duration in April in Clarks Summit, Pennsylvania, is 7.1h.

What is the UV index reading in April in Clarks Summit?

In Clarks Summit, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents 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
Clarks Summit, PA

Average temperature in April - Clarks Summit, PA
  • Average high temperature in April: 54.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in April: 36.5°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in April
Clarks Summit, PA

Average pressure in April - Clarks Summit, 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).

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Average wind speed in April
Clarks Summit, PA

Average wind speed in April - Clarks Summit, PA
  • Average wind speed in April: 8.1mph

The windiest months (with the highest average wind speed) are January, February, March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in April
Clarks Summit, PA

Average humidity in April - Clarks Summit, PA
  • Average humidity in April: 78%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in April
Clarks Summit, PA

Average rainfall in April - Clarks Summit, PA
  • Average rainfall in April: 2.6"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in April
Clarks Summit, PA

Average rainfall days in April - Clarks Summit, PA
  • Average rainfall days in April: 17 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in April
Clarks Summit, PA

Average snowfall in April - Clarks Summit, PA
  • Average snowfall in April: 1.14"

The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Clarks Summit, PA

Average snowfall days in April - Clarks Summit, PA
  • Average snowfall days in April: 4.2 days

The month with the highest number of snowfall days is January (16.7 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
Clarks Summit, PA

Average daylight in April / Average sunshine in April - Clarks Summit, PA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 7h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

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Average sunshine days in April
Clarks Summit, PA

Average sunshine days in April - Clarks Summit, PA
  • Average sunshine days in April: 9.5 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in April
Clarks Summit, PA

Average UV index in April - Clarks Summit, PA
  • Average UV index in April: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Clarks Summit, PA

Average cloud cover in April - Clarks Summit, PA
  • Average cloud cover in April: 54

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in April
Clarks Summit, PA

Average visibility in April - Clarks Summit, PA
  • Average visibility in April: 5mi

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

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Clarks Summit, Pennsylvania, USA

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