April weather forecast
Castle Valley, PA

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Weather in April

April is a refreshing spring month in Castle Valley, Pennsylvania, with an average temperature ranging between min 42.6°F (5.9°C) and max 60.3°F (15.7°C).

Temperature

In Castle Valley, the onset of April comes with an increased average high-temperature, moving from March's chilly 47.8°F (8.8°C) to a moderate 60.3°F (15.7°C). During April, the average low-temperature is recorded at a wintry 42.6°F (5.9°C).

Humidity

With an average relative humidity of 73%, April is the least humid month in Castle Valley.

Rainfall

In Castle Valley, in April, it is raining for 15.8 days, with typically 2.24" (57mm) of accumulated precipitation. In Castle Valley, during the entire year, the rain falls for 158.6 days and collects up to 28.31" (719mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Castle Valley, in April, snow falls for 0.3 days, with typically accumulated 0.2" (5mm) of snow. In Castle Valley, during the entire year, snow falls for 24.6 days and aggregates up to 10.24" (260mm) of snow.

Daylight

The average length of the day in April is 13h and 19min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:25 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:55 pm EDT.

Sunshine

In Castle Valley, the average sunshine in April is 8.3h.

UV index

The average daily maximum UV index in April in Castle Valley is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the maximum UV index of 4 suggests this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Castle Valley in April?

The high-temperature, in April, in Castle Valley, is 60.3°F (15.7°C), while the low-temperature averages to 42.6°F (5.9°C).

What is the least humid month?

April is the least humid month in Castle Valley, with an average relative humidity of 73%.

What is the average humidity in April?

The average relative humidity in April is 73%.

How many days does it rain in April?

In Castle Valley, in April, it is raining for 15.8 days, with typically 2.24" (57mm) of accumulated precipitation.

How many days does it snow in April?

In April, it is snowing for 0.3 days. Throughout April, 0.2" (5mm) of snow is accumulated.

What is the average length of the day in April?

The average day length in April in Castle Valley, Pennsylvania, is 13h and 19min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:43 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:55 pm EDT.

How many hours of sunshine does Castle Valley have in April?

In April, the average sunshine duration is 8.3h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Castle Valley, PA

Average temperature in April - Castle Valley, PA
  • Average high temperature in April: 60.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in April: 42.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in April
Castle Valley, PA

Average pressure in April - Castle Valley, 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
Castle Valley, PA

Average wind speed in April - Castle Valley, PA
  • Average wind speed in April: 8.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in April
Castle Valley, PA

Average humidity in April - Castle Valley, PA
  • Average humidity in April: 73%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in April
Castle Valley, PA

Average rainfall in April - Castle Valley, PA
  • Average rainfall in April: 2.24"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in April
Castle Valley, PA

Average rainfall days in April - Castle Valley, PA
  • Average rainfall days in April: 15.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in April
Castle Valley, PA

Average snowfall in April - Castle Valley, PA
  • Average snowfall in April: 0.2"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Castle Valley, PA

Average snowfall days in April - Castle Valley, PA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Castle Valley, PA

Average daylight in April / Average sunshine in April - Castle Valley, 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: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in April
Castle Valley, PA

Average sunshine days in April - Castle Valley, PA
  • Average sunshine days in April: 12.1 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11 days).

Average UV index in April
Castle Valley, PA

Average UV index in April - Castle Valley, PA
  • Average UV index in April: 4

The months with the highest UV index are May, June, July and August (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
Castle Valley, PA

Average cloud cover in April - Castle Valley, PA
  • Average cloud cover in April: 45

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in April
Castle Valley, PA

Average visibility in April - Castle Valley, PA
  • Average visibility in April: 6mi

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

Castle Valley, Pennsylvania, USA

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