April weather forecast
Glen Rock, NJ

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Weather in April

April in Glen Rock, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 42.6°F (5.9°C) and 58.6°F (14.8°C).

Temperature

Glen Rock's weather in April shows a rise in the average high-temperature, moving up from March's chilly 46.4°F (8°C) to a mild 58.6°F (14.8°C). Glen Rock records a steady low-temperature average of 42.6°F (5.9°C) during April.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

Rainfall

In Glen Rock, in April, it is raining for 15.4 days, with typically 2.28" (58mm) of accumulated precipitation. In Glen Rock, during the entire year, the rain falls for 160.7 days and collects up to 29.33" (745mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Glen Rock, in April, during 0.5 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, there are 24.9 snowfall days, and 10.04" (255mm) of snow is accumulated.

Daylight

In Glen Rock, the average length of the day in April is 13h and 20min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:54 am and sunset at 7:52 pm EDT.

Sunshine

In April, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 4 during April, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature in Glen Rock?

The high-temperature, in April, in Glen Rock, is 58.6°F (14.8°C), while the low-temperature averages to 42.6°F (5.9°C).

What are the least humid months?

April, July and August, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in April?

In April, the average relative humidity is 72%.

How many days does it rain in April?

In Glen Rock, in April, it is raining for 15.4 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in April?

In April, it is snowing for 0.5 days. Throughout April, 0.16" (4mm) of snow is accumulated.

What is the average length of the day in April in Glen Rock?

In April, the average day length is 13h and 20min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:38 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:52 pm EDT.

How many hours of sunshine does Glen Rock have in April?

The average sunshine duration in April is 8.2h.

How high is the UV index in April?

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Glen Rock, NJ

Average temperature in April - Glen Rock, NJ
  • Average high temperature in April: 58.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°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
Glen Rock, NJ

Average pressure in April - Glen Rock, NJ
  • 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 (29.93"Hg).

Average wind speed in April
Glen Rock, NJ

Average wind speed in April - Glen Rock, NJ
  • Average wind speed in April: 8mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in April
Glen Rock, NJ

Average humidity in April - Glen Rock, NJ
  • Average humidity in April: 72%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in April
Glen Rock, NJ

Average rainfall in April - Glen Rock, NJ
  • Average rainfall in April: 2.28"

The wettest months (with the highest rainfall) are July and December (3.07").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in April
Glen Rock, NJ

Average rainfall days in April - Glen Rock, NJ
  • Average rainfall days in April: 15.4 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in April
Glen Rock, NJ

Average snowfall in April - Glen Rock, NJ
  • Average snowfall in April: 0.16"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Glen Rock, NJ

Average snowfall days in April - Glen Rock, NJ
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Glen Rock, NJ

Average daylight in April / Average sunshine in April - Glen Rock, NJ
  • 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 18min).

  • Average sunshine in April: 8h and 1min

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 36min).

Average sunshine days in April
Glen Rock, NJ

Average sunshine days in April - Glen Rock, NJ
  • Average sunshine days in April: 11.8 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in April
Glen Rock, NJ

Average UV index in April - Glen Rock, NJ
  • Average UV index in April: 4

The months with the highest UV index are 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
Glen Rock, NJ

Average cloud cover in April - Glen Rock, NJ
  • Average cloud cover in April: 46

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in April
Glen Rock, NJ

Average visibility in April - Glen Rock, NJ
  • Average visibility in April: 6mi

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

Glen Rock, New Jersey, USA

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