April weather forecast and climate
Sewaren, NJ

Weather in April

April is a moderate spring month in Sewaren, New Jersey, with average temperature ranging between min 44.6°F (7°C) and max 58.1°F (14.5°C).

Temperature

In Sewaren, New Jersey, the average high-temperature rises, from a chilly 46.9°F (8.3°C) in March, to a mild 58.1°F (14.5°C). In Sewaren, the average low-temperature is 44.6°F (7°C).

Humidity

Months with the lowest humidity in Sewaren are March, April, August and November, with an average relative humidity of 73%.

Rainfall

In Sewaren, in April, it is raining for 15.3 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Sewaren, there are 157.5 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Sewaren. During 0.3 snowfall days, Sewaren aggregates 0.2" (5mm) of snow. In Sewaren, during the entire year, snow falls for 19.5 days, and aggregates up to 8.35" (212mm) of snow.

Ocean temperature

In April, the average ocean temperature is 45.1°F (7.3°C).
Note: Swimming in 45.1°F (7.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In April, the average length of the day in Sewaren is 13.3h.

Sunshine

In Sewaren, the average sunshine is 8.3h.

UV index

In Sewaren, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the least humid months in Sewaren?

March, April, August and November, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in April in Sewaren?

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

How much does it rain in Sewaren in April?

In Sewaren, during April, the rain falls for 15.3 days and regularly aggregates up to 2.36" (60mm) of precipitation.

What is the last month it snows in Sewaren?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Sewaren aggregates 0.2" (5mm) of snow.

What is the ocean temperature in April in Sewaren?

In April, the average ocean temperature in Sewaren is 45.1°F (7.3°C). Swimming in 45.1°F (7.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Sewaren have in April?

The average length of the day in April is 13.3h.

How long on average sun shines in April in Sewaren?

The average sunshine in April is 8.3h.

What is the UV index intensity in April in Sewaren?

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in April
Sewaren, NJ

Average temperature in April - Sewaren, NJ
  • Average high temperature in April: 58.1°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in April: 44.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in April
Sewaren, NJ

Average pressure in April - Sewaren, NJ
  • Average pressure in April: 29.98"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in April
Sewaren, NJ

Average wind speed in April - Sewaren, NJ
  • Average wind speed in April: 9.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in April
Sewaren, NJ

Average humidity in April - Sewaren, NJ
  • Average humidity in April: 73%

Months with the highest relative humidity are February and May (77%).
Months with the lowest relative humidity are March, April, August and November (73%).

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Average rainfall in April
Sewaren, NJ

Average rainfall in April - Sewaren, NJ
  • Average rainfall in April: 2.36"

The wettest months (with the highest rainfall) are July and December (3.31").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in April
Sewaren, NJ

Average rainfall days in April - Sewaren, NJ
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in April
Sewaren, NJ

Average snowfall in April - Sewaren, NJ
  • Average snowfall in April: 0.2"

The month with the highest snowfall is March (3.39").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Sewaren, NJ

Average snowfall days in April - Sewaren, NJ
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (5.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in April
Sewaren, NJ

Average sea temperature in April - Sewaren, NJ
  • Average sea temperature in April: 45.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight in April /
Average sunshine in April
Sewaren, NJ

Average daylight in April / Average sunshine in April - Sewaren, NJ
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 8.3h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in April
Sewaren, NJ

Average sunshine days in April - Sewaren, NJ
  • Average sunshine days in April: 13 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in April
Sewaren, NJ

Average UV index in April - Sewaren, NJ
  • Average UV index in April: 4

Months with the highest UV index are June, July and August (UV index 6).
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
Sewaren, NJ

Average cloud cover in April - Sewaren, NJ
  • Average cloud cover in April: 45

Months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in April
Sewaren, NJ

Average visibility in April - Sewaren, NJ
  • Average visibility in April: 6mi

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

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