April weather forecast
Perth Amboy, NJ

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A scenic panorama of Perth Amboy Town in New Jersey, with the bright neon lights as the sun sets behind the colorful and heavy cloudy sky above
A scenic panorama of Perth Amboy Town in New Jersey, with the bright neon lights as the sun sets behind the colorful and heavy cloudy sky above

Weather in April

April weather in Perth Amboy, New Jersey, is characterized by a significant warming trend with higher highs and more moderate lows. The temperature varies between 44.6°F (7°C) and 58.1°F (14.5°C) highlighting a noticeable shift towards spring. April's warmer climate opens up opportunities for outdoor activities. There's a marked increase in daylight hours, and the sea temperature begins to rise, making beach outings and boating more welcoming. However, occasional rainfall—often brief and light—remains a common occurrence.

Temperature

With the onset of April, Perth Amboy's average high-temperature sees a rise, moving from March's frosty 46.9°F (8.3°C) to a moderate 58.1°F (14.5°C). Throughout the month of April, Perth Amboy witnesses an average low-temperature of 44.6°F (7°C).

Humidity

The months with the lowest humidity in Perth Amboy are March, April, August and November, with an average relative humidity of 73%.

Rainfall

In Perth Amboy, New Jersey, in April, it is raining for 15.3 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, 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 in Perth Amboy. April is the last month it regularly snows. During 0.3 snowfall days, in April, Perth Amboy aggregates 0.2" (5mm) of snow. In Perth Amboy, during the entire year, snow falls for 19.5 days and aggregates up to 8.35" (212mm) of snow.

Ocean temperature

In Perth Amboy, the average seawater temperature in April is 45.1°F (7.3°C).
Note: Engaging in a swim in 45.1°F (7.3°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.

Daylight

In April, the average length of the day in Perth Amboy is 13h and 19min.
On the first day of April in Perth Amboy, 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.

Sunshine

In Perth Amboy, the average sunshine in April is 8.3h.

UV index

The average daily maximum UV index in April in Perth Amboy is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In April, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the usual temperature for Perth Amboy in April?

An average high-temperature, in April, in Perth Amboy, is 58.1°F (14.5°C) and the average low-temperature is 44.6°F (7°C).

What is the least humid month in Perth Amboy?

The months with the lowest humidity in Perth Amboy, New Jersey, are March, April, August and November, with an average relative humidity of 73%.

What is the average humidity in April in Perth Amboy?

The average relative humidity in April is 73%.

How many days does it rain in April in Perth Amboy?

In April, in Perth Amboy, New Jersey, the rain falls for 15.3 days. Throughout April, 2.36" (60mm) of precipitation is accumulated.

What is the last month it snows in Perth Amboy?

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

How cold is the water in April in Perth Amboy?

In Perth Amboy, New Jersey, in April, the average water temperature 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.

What is the average length of the day in April in Perth Amboy?

The average day length in April in Perth Amboy, New Jersey, is 13h and 19min.

What time are sunrise and sunset in April in Perth Amboy?

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 Perth Amboy have in April?

In April, the average sunshine duration in Perth Amboy, New Jersey, is 8.3h.

What is the UV index reading in April in Perth Amboy?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Perth Amboy, NJ

Average temperature in April - Perth Amboy, 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
Perth Amboy, NJ

Average pressure in April - Perth Amboy, 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
Perth Amboy, NJ

Average wind speed in April - Perth Amboy, 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
Perth Amboy, NJ

Average humidity in April - Perth Amboy, NJ
  • Average humidity in April: 73%

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

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Average rainfall in April
Perth Amboy, NJ

Average rainfall in April - Perth Amboy, 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
Perth Amboy, NJ

Average rainfall days in April - Perth Amboy, 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
Perth Amboy, NJ

Average snowfall in April - Perth Amboy, NJ
  • Average snowfall in April: 0.2"

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

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Average snowfall days in April
Perth Amboy, NJ

Average snowfall days in April - Perth Amboy, NJ
  • Average snowfall days in April: 0.3 days

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

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Average sea temperature in April
Perth Amboy, NJ

Average sea temperature in April - Perth Amboy, 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
Perth Amboy, NJ

Average daylight in April / Average sunshine in April - Perth Amboy, 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 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).

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Average sunshine days in April
Perth Amboy, NJ

Average sunshine days in April - Perth Amboy, 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
Perth Amboy, NJ

Average UV index in April - Perth Amboy, 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
Perth Amboy, NJ

Average cloud cover in April - Perth Amboy, NJ
  • Average cloud cover in April: 45

The 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
Perth Amboy, NJ

Average visibility in April - Perth Amboy, NJ
  • Average visibility in April: 6mi

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

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Perth Amboy, New Jersey, USA

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