April weather forecast
Sussex, NJ

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Weather in April

April in Sussex, New Jersey, is a mild spring month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 57°F (13.9°C).

Temperature

With the onset of April, the average high-temperature slightly shifts from March's chilly 44.4°F (6.9°C) to a mild 57°F (13.9°C). During April, Sussex consistently records a temperature low averaging a cold 39°F (3.9°C).

Humidity

The least humid month in Sussex, New Jersey, is April, with an average relative humidity of 76%.

Rainfall

In Sussex, in April, it is raining for 17.6 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, in Sussex, there are 164.9 rainfall days, and 31.89" (810mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Sussex. In April, in Sussex, it is snowing for 1.3 days. Throughout April, 0.39" (10mm) of snow is accumulated. In Sussex, during the entire year, snow falls for 36.9 days and aggregates up to 19.84" (504mm) of snow.

Daylight

In April, the average length of the day in Sussex is 13h and 21min.
On the first day of April, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:54 pm EDT.

Sunshine

In April, the average sunshine in Sussex is 7.8h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are the temperatures in Sussex in April?

During April, Sussex experiences an average high-temperature of 57°F (13.9°C) and a low-temperature of 39°F (3.9°C).

What is the least humid month in Sussex?

With an average relative humidity of 76%, April is the least humid month in Sussex, New Jersey.

What is the average humidity in April in Sussex?

The average relative humidity in April is 76%.

How many days does it rain in April in Sussex?

In Sussex, New Jersey, in April, it is raining for 17.6 days, with typically 3.07" (78mm) of accumulated precipitation.

How many days does it snow in April in Sussex?

In Sussex, New Jersey, during April, snow falls for 1.3 days and regularly aggregates up to 0.39" (10mm) of snow.

How many hours of daylight does Sussex have in April?

The average day length in April in Sussex is 13h and 21min.

What time are sunrise and sunset in April in Sussex?

In April, on the first day of the month, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:54 pm EDT.

How long on average sun shines in April in Sussex?

The average sunshine duration in April in Sussex, New Jersey, is 7.8h.

What is the UV index reading in April in Sussex?

In April, the average daily maximum UV index in Sussex is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Sussex, NJ

Average temperature in April - Sussex, NJ
  • Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in April: 39°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in April
Sussex, NJ

Average pressure in April - Sussex, 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).

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Average wind speed in April
Sussex, NJ

Average wind speed in April - Sussex, NJ
  • Average wind speed in April: 7.4mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in April
Sussex, NJ

Average humidity in April - Sussex, NJ
  • Average humidity in April: 76%

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

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Average rainfall in April
Sussex, NJ

Average rainfall in April - Sussex, NJ
  • Average rainfall in April: 3.07"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in April
Sussex, NJ

Average rainfall days in April - Sussex, NJ
  • Average rainfall days in April: 17.6 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in April
Sussex, NJ

Average snowfall in April - Sussex, NJ
  • Average snowfall in April: 0.39"

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Sussex, NJ

Average snowfall days in April - Sussex, NJ
  • Average snowfall days in April: 1.3 days

The months with the highest number of snowfall days are January and February (9.8 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
Sussex, NJ

Average daylight in April / Average sunshine in April - Sussex, 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: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in April
Sussex, NJ

Average sunshine days in April - Sussex, NJ
  • Average sunshine days in April: 10.4 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.4 days).

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Average UV index in April
Sussex, NJ

Average UV index in April - Sussex, NJ
  • 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
Sussex, NJ

Average cloud cover in April - Sussex, NJ
  • Average cloud cover in April: 50

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in April
Sussex, NJ

Average visibility in April - Sussex, NJ
  • 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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Sussex, New Jersey, USA

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