Perth Amboy
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Perth Amboy, NJ

A scenic aerial view 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 aerial view of Perth Amboy Town in New Jersey, with the bright neon lights as the sun sets behind the colorful and heavy cloudy sky above
January, like December, in Perth Amboy, New Jersey, is another cold winter month, with temperature in the range of an average low of 23°F (-5°C) and an average high of 39°F (3.9°C). January is the coldest month, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 23°F (-5°C). Weather in January »
The last month of the winter, February, is a chilly month in Perth Amboy, New Jersey, with average temperature ranging between min 25°F (-3.9°C) and max 43°F (6.1°C). In Perth Amboy, the average high-temperature is essentially the same as in January - a chilly 43°F (6.1°C). Weather in February »

The first month of the spring, March, is a cool month in Perth Amboy, New Jersey, with average temperature varying between 52°F (11.1°C) and 32°F (0°C). In March, the average high-temperature rises, from a chilly 43°F (6.1°C) in February, to a cool 52°F (11.1°C). Weather in March »

April is an enjoyable spring month in Perth Amboy, New Jersey, with average temperature fluctuating between 64°F (17.8°C) and 41°F (5°C). In Perth Amboy, the average high-temperature rises, from a cool 52°F (11.1°C) in March, to a comfortable 64°F (17.8°C). Weather in April »

The last month of the spring, May, is a moderately hot month in Perth Amboy, New Jersey, with average temperature varying between 50°F (10°C) and 73.9°F (23.3°C). In May, the average high-temperature rises, from an enjoyable 64°F (17.8°C) in April, to a warm 73.9°F (23.3°C). Weather in May »

The first month of the summer, June, is also a moderately hot month in Perth Amboy, New Jersey, with average temperature ranging between max 82.9°F (28.3°C) and min 60.1°F (15.6°C). In Perth Amboy, the average high-temperature in June increases, from 73.9°F (23.3°C) in May, to a still moderately hot 82.9°F (28.3°C). Weather in June »

July is a tropical summer month in Perth Amboy, New Jersey, with average temperature ranging between max 87.1°F (30.6°C) and min 64.9°F (18.3°C). July is the warmest month, with an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 64.9°F (18.3°C). Weather in July »

The last month of the summer, August, is another warm month in Perth Amboy, New Jersey, with average temperature fluctuating between 84.9°F (29.4°C) and 64°F (17.8°C). In August, the average high-temperature is almost the same as in July - a moderately hot 84.9°F (29.4°C). Weather in August »

September, the first month of the autumn, in Perth Amboy, is still a warm month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 55.9°F (13.3°C). In September, the average high-temperature slightly decreases, from a warm 84.9°F (29.4°C) in August, to a still moderately hot 78.1°F (25.6°C). Weather in September »

October, like September, in Perth Amboy, New Jersey, is another comfortable autumn month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 66°F (18.9°C). In October, the average high-temperature drops, from a moderately hot 78.1°F (25.6°C) in September, to a comfortable 66°F (18.9°C). Weather in October »

November, the last month of the autumn, in Perth Amboy, is also a fresh month, with average temperature fluctuating between 36°F (2.2°C) and 55°F (12.8°C). In November, the average high-temperature drops, from an enjoyable 66°F (18.9°C) in October, to a cool 55°F (12.8°C). Weather in November »

December, the first month of the winter, in Perth Amboy, is also a frosty month, with average temperature fluctuating between 43°F (6.1°C) and 28°F (-2.2°C). In December, the average high-temperature drops, from a fresh 55°F (12.8°C) in November, to a frosty 43°F (6.1°C). Weather in December »

What is the coldest month in Perth Amboy?

January is the coldest month in Perth Amboy, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 23°F (-5°C).

How much does it rain in Perth Amboy?

Throughout the year, 49.1" (1247.6mm) of rain is accumulated.

What is the driest month in Perth Amboy?

The month with the least rainfall is February when 3.1" (77.7mm) of precipitation is typically aggregated.

What is the month with the coldest ocean in Perth Amboy?

February is the month with the coldest seawater in Perth Amboy, with an average ocean temperature of 39.7°F (4.3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

When are the longest days in Perth Amboy?

With an average of 15h of daylight, June has the longest days of the year.

What is the warmest month in Perth Amboy?

The warmest month in Perth Amboy is July, with an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 64.9°F (18.3°C).

What is the wettest month in Perth Amboy?

The month with the most rainfall is July when 5.5" (139.7mm) of precipitation is typically aggregated.

What month is the ocean warmest in Perth Amboy?

August is the month with the warmest seawater in Perth Amboy, New Jersey, with an average ocean temperature of 74.1°F (23.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.1°F (23.4°C) water.

What is the month with the shortest days in Perth Amboy?

The month with the shortest days in Perth Amboy, New Jersey, is December, with an average of 9.3h of daylight.
Average rainfall - Perth Amboy, NJ
Average sea temperature - Perth Amboy, NJ

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).

Average daylight - Perth Amboy, NJ