April weather forecast
South Plainfield, NJ

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Weather in April

April in South Plainfield, New Jersey, is a moderate spring month, with an average temperature varying between 43.3°F (6.3°C) and 59°F (15°C).

Temperature

With the onset of April, South Plainfield's average high-temperature experiences a rise, moving from March's chilly 47.3°F (8.5°C) to a refreshing 59°F (15°C). Throughout the month of April, the average temperature in South Plainfield dips to a chilly 43.3°F (6.3°C) at night.

Humidity

The months with the lowest humidity are April and August, with an average relative humidity of 73%.

Rainfall

In South Plainfield, in April, during 15.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 160.7 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In April, in South Plainfield, it is snowing for 0.6 days. Throughout April, 0.2" (5mm) of snow is accumulated. In South Plainfield, during the entire year, snow falls for 25.4 days and aggregates up to 10.31" (262mm) of snow.

Daylight

In South Plainfield, New Jersey, the average length of the day in April is 13h and 19min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of April, in South Plainfield, sunrise is at 5:56 am and sunset at 7:52 pm EDT.

Sunshine

In South Plainfield, New Jersey, the average sunshine in April is 8.2h.

UV index

The average daily maximum UV index in April in South Plainfield, New Jersey, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in April in South Plainfield?

The high-temperature in South Plainfield, New Jersey, during April is 59°F (15°C) and the low-temperature is 43.3°F (6.3°C).

What is the least humid month in South Plainfield?

April and August, with an average relative humidity of 73%, are the least humid months in South Plainfield.

What is the average humidity in April in South Plainfield?

In South Plainfield, New Jersey, the average relative humidity in April is 73%.

How many days does it rain in April in South Plainfield?

In South Plainfield, in April, during 15.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

How much does it snow in South Plainfield in April?

In South Plainfield, in April, snow falls for 0.6 days, with typically accumulated 0.2" (5mm) of snow.

How many hours of daylight does South Plainfield have in April?

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

What time are sunrise and sunset in April in South Plainfield?

On the first day of April, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:52 pm EDT.

How many hours of sunshine does South Plainfield have in April?

The average sunshine duration in April is 8.2h.

What is the UV index reading in April in South Plainfield?

In April, the average daily maximum UV index in South Plainfield, New Jersey, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
South Plainfield, NJ

Average temperature in April - South Plainfield, NJ
  • Average high temperature in April: 59°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in April: 43.3°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in April
South Plainfield, NJ

Average pressure in April - South Plainfield, 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
South Plainfield, NJ

Average wind speed in April - South Plainfield, NJ
  • Average wind speed in April: 8.5mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in April
South Plainfield, NJ

Average humidity in April - South Plainfield, NJ
  • Average humidity in April: 73%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in April
South Plainfield, NJ

Average rainfall in April - South Plainfield, NJ
  • Average rainfall in April: 2.36"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in April
South Plainfield, NJ

Average rainfall days in April - South Plainfield, NJ
  • Average rainfall days in April: 15.4 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in April
South Plainfield, NJ

Average snowfall in April - South Plainfield, NJ
  • Average snowfall in April: 0.2"

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

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Average snowfall days in April
South Plainfield, NJ

Average snowfall days in April - South Plainfield, NJ
  • Average snowfall days in April: 0.6 days

The months with the highest number of snowfall days are January and February (7.3 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
South Plainfield, NJ

Average daylight in April / Average sunshine in April - South Plainfield, NJ
  • 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in April
South Plainfield, NJ

Average sunshine days in April - South Plainfield, NJ
  • Average sunshine days in April: 12.4 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in April
South Plainfield, NJ

Average UV index in April - South Plainfield, 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).

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Average cloud cover in April
South Plainfield, NJ

Average cloud cover in April - South Plainfield, NJ
  • Average cloud cover in April: 45

The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in April
South Plainfield, NJ

Average visibility in April - South Plainfield, 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).

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South Plainfield, New Jersey, USA

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