April weather forecast
Helfrichsville, PA

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Weather in April

April is a moderate spring month in Helfrichsville, Pennsylvania, with an average temperature varying between 40.5°F (4.7°C) and 59°F (15°C).

Temperature

April signals a shift in the average high-temperature, moving from March's frosty 46.6°F (8.1°C) to a moderate 59°F (15°C). The low-temperature averages to a cold 40.5°F (4.7°C) during the nights of April.

Humidity

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

Rainfall

The month with the most rainfall is April, when the rain falls for 16.3 days and typically aggregates up to 2.99" (76mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Helfrichsville, in April, during 0.5 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Helfrichsville, Pennsylvania, during the entire year, snow falls for 29.4 days and aggregates up to 15.87" (403mm) of snow.

Daylight

The average length of the day in April in Helfrichsville is 13h and 19min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:58 pm EDT.

Sunshine

The average sunshine in April is 8h.

UV index

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during April translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

April temperatures vary between a high-temperature of 59°F (15°C) and a low-temperature of 40.5°F (4.7°C).

What is the least humid month?

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

What is the average humidity in April in Helfrichsville?

In April, the average relative humidity is 76%.

What is the wettest month?

The month with the most rainfall is April, when the rain falls for 16.3 days and typically aggregates up to 2.99" (76mm) of precipitation.

How much does it rain in April?

In April, the rain falls for 16.3 days. Throughout April, 2.99" (76mm) of precipitation is accumulated.

How much does it snow in April?

In Helfrichsville, in April, snow falls for 0.5 days, with typically accumulated 0.2" (5mm) of snow.

How many hours of daylight does Helfrichsville have in April?

In Helfrichsville, the average day length in April is 13h and 19min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:58 pm EDT.

How long on average sun shines in April?

In April, the average sunshine duration is 8h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Helfrichsville, PA

Average temperature in April - Helfrichsville, PA
  • Average high temperature in April: 59°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in April: 40.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in April
Helfrichsville, PA

Average pressure in April - Helfrichsville, 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).

Average wind speed in April
Helfrichsville, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in April
Helfrichsville, PA

Average humidity in April - Helfrichsville, PA
  • Average humidity in April: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in April
Helfrichsville, PA

Average rainfall in April - Helfrichsville, PA
  • Average rainfall in April: 2.99"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in April
Helfrichsville, PA

Average rainfall days in April - Helfrichsville, PA
  • Average rainfall days in April: 16.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in April
Helfrichsville, PA

Average snowfall in April - Helfrichsville, PA
  • Average snowfall in April: 0.2"

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

Average snowfall days in April
Helfrichsville, PA

Average snowfall days in April - Helfrichsville, PA
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Helfrichsville, PA

Average daylight in April / Average sunshine in April - Helfrichsville, 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: 8h and 0min

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 24min).

Average sunshine days in April
Helfrichsville, PA

Average sunshine days in April - Helfrichsville, PA
  • Average sunshine days in April: 11.2 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in April
Helfrichsville, PA

Average UV index in April - Helfrichsville, 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).

Average cloud cover in April
Helfrichsville, PA

Average cloud cover in April - Helfrichsville, 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).

Average visibility in April
Helfrichsville, PA

Average visibility in April - Helfrichsville, PA
  • Average visibility in April: 6mi

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

Helfrichsville, Pennsylvania, USA

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