April weather forecast
Mill Run, PA

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Weather in April

April is a mild spring month in Mill Run, Pennsylvania, with an average temperature ranging between min 40.5°F (4.7°C) and max 59.9°F (15.5°C).

Temperature

April indicates a change in the average high-temperature, moving up from a frosty 46.9°F (8.3°C) in March to a moderate 59.9°F (15.5°C). Mill Run registers a consistent average low-temperature of 40.5°F (4.7°C) during April.

Humidity

In Mill Run, the average relative humidity in April is 78%.

Rainfall

In Mill Run, during April, the rain falls for 15.3 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Mill Run, there are 150.7 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mill Run are January through May, October through December. In April, it is snowing for 2.8 days. Throughout April, 0.71" (18mm) of snow is accumulated. In Mill Run, during the entire year, snow falls for 58.2 days and aggregates up to 17.44" (443mm) of snow.

Daylight

The average length of the day in April is 13h and 17min.
On the first day of April in Mill Run, sunrise is at 7:00 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:11 pm EDT.

Sunshine

In April, the average sunshine is 7.6h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 4 in April suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are April temperatures in Mill Run?

The high-temperature, in April, in Mill Run, is 59.9°F (15.5°C), while the low-temperature averages to 40.5°F (4.7°C).

What is the average humidity in April in Mill Run?

In Mill Run, the average relative humidity in April is 78%.

How much does it rain in Mill Run in April?

In April, in Mill Run, Pennsylvania, the rain falls for 15.3 days. Throughout April, 1.54" (39mm) of precipitation is accumulated.

How many days does it snow in April in Mill Run?

In Mill Run, Pennsylvania, during April, snow falls for 2.8 days and regularly aggregates up to 0.71" (18mm) of snow.

What is the average length of the day in April in Mill Run?

In Mill Run, Pennsylvania, the average day length in April is 13h and 17min.

What time are sunrise and sunset in April in Mill Run?

In April, on the first day of the month, sunrise is at 7:00 am and sunset at 7:42 pm. On the last day of the month, in Mill Run, sunrise is at 6:18 am and sunset at 8:11 pm EDT.

How long on average sun shines in April in Mill Run?

In Mill Run, the average sunshine duration in April is 7.6h.

What is the UV index intensity in April in Mill Run?

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Mill Run, PA

Average temperature in April - Mill Run, PA
  • Average high temperature in April: 59.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in April: 40.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in April
Mill Run, PA

Average pressure in April - Mill Run, PA
  • Average pressure in April: 29.98"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).

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Average wind speed in April
Mill Run, PA

Average wind speed in April - Mill Run, PA
  • Average wind speed in April: 7.7mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in April
Mill Run, PA

Average humidity in April - Mill Run, PA
  • Average humidity in April: 78%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).

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Average rainfall in April
Mill Run, PA

Average rainfall in April - Mill Run, PA
  • Average rainfall in April: 1.54"

The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").

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Average rainfall days in April
Mill Run, PA

Average rainfall days in April - Mill Run, PA
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in April
Mill Run, PA

Average snowfall in April - Mill Run, PA
  • Average snowfall in April: 0.71"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Mill Run, PA

Average snowfall days in April - Mill Run, PA
  • Average snowfall days in April: 2.8 days

The month with the highest number of snowfall days is January (15.9 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
Mill Run, PA

Average daylight in April / Average sunshine in April - Mill Run, 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: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in April
Mill Run, PA

Average sunshine days in April - Mill Run, PA
  • Average sunshine days in April: 11.4 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).

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Average UV index in April
Mill Run, PA

Average UV index in April - Mill Run, PA
  • Average UV index in April: 4

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

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Average cloud cover in April
Mill Run, PA

Average cloud cover in April - Mill Run, PA
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in April
Mill Run, PA

Average visibility in April - Mill Run, PA
  • Average visibility in April: 6mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).

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Mill Run, Pennsylvania, USA

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