Monthly weather forecast and climate
Perth Amboy, NJ

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 January

January, the same as December, is a wintry winter month in Perth Amboy, New Jersey, with average temperature fluctuating between 25.9°F (-3.4°C) and 36.9°F (2.7°C). The coldest month is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.9°F (-3.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Perth Amboy, is also a wintry month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 39.7°F (4.3°C). In February, the average high-temperature is essentially the same as in January - a still cold 39.7°F (4.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Perth Amboy, is a chilly month, with average temperature ranging between max 46.9°F (8.3°C) and min 34.7°F (1.5°C). In Perth Amboy, the average high-temperature slightly increases, from a wintry 39.7°F (4.3°C) in February, to a chilly 46.9°F (8.3°C). Weather in March »

Weather in April

April in Perth Amboy, New Jersey, is a moderate spring month, with average temperature varying between 58.1°F (14.5°C) and 44.6°F (7°C). In Perth Amboy, the average high-temperature in April increases, from a frosty 46.9°F (8.3°C) in March, to a mild 58.1°F (14.5°C). Weather in April »

Weather in May

May, the last month of the spring, in Perth Amboy, is an enjoyable month, with average temperature fluctuating between 67.8°F (19.9°C) and 54.1°F (12.3°C). In Perth Amboy, New Jersey, the average high-temperature in May increases, from a moderate 58.1°F (14.5°C) in April, to a comfortable 67.8°F (19.9°C). Weather in May »

Weather in June

June, the first month of the summer, in Perth Amboy, is a warm month, with average temperature fluctuating between 62.8°F (17.1°C) and 76.6°F (24.8°C). In Perth Amboy, the average high-temperature slightly increases, from a comfortable 67.8°F (19.9°C) in May, to a moderately hot 76.6°F (24.8°C). Weather in June »

Weather in July

July, like June, in Perth Amboy, New Jersey, is a moderately hot summer month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 82.8°F (28.2°C). With an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month. The average heat index is calculated to a tropical 88.9°F (31.6°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Perth Amboy, New Jersey, with average temperature ranging between min 68.5°F (20.3°C) and max 81.3°F (27.4°C). In Perth Amboy, New Jersey, the average high-temperature is essentially the same as in July - a still warm 81.3°F (27.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Perth Amboy, New Jersey, with average temperature fluctuating between 75°F (23.9°C) and 61.9°F (16.6°C). In Perth Amboy, the average high-temperature slightly decreases, from 81.3°F (27.4°C) in August, to a still warm 75°F (23.9°C). Weather in September »

Weather in October

October, like September, in Perth Amboy, New Jersey, is another comfortable autumn month, with average temperature varying between 63.5°F (17.5°C) and 51.4°F (10.8°C). In October, the average high-temperature decreases, from a moderately hot 75°F (23.9°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Perth Amboy, New Jersey, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 40.3°F (4.6°C). In November, the average high-temperature decreases, from a comfortable 63.5°F (17.5°C) in October, to a fresh 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter, in Perth Amboy, is still a chilly month, with average temperature ranging between max 43.3°F (6.3°C) and min 33.4°F (0.8°C). In Perth Amboy, the average high-temperature slightly decreases, from a fresh 52°F (11.1°C) in November, to a chilly 43.3°F (6.3°C). Weather in December »
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FAQ

What is the coldest month in Perth Amboy?

The coldest month in Perth Amboy, New Jersey, is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.9°F (-3.4°C).

How much does it rain in Perth Amboy?

Throughout the year, in Perth Amboy, New Jersey, there are 157.5 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

When does it snow in Perth Amboy?

January through April, October through December are months with snowfall.

How many days does it snow in Perth Amboy?

In Perth Amboy, during the entire year, snow falls for 19.5 days, and aggregates up to 8.35" (212mm) of snow.

What are the months with the lowest UV index in Perth Amboy?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in Perth Amboy?

Months with the highest humidity are February and May, with an average relative humidity of 77%.

When is the ocean coldest in Perth Amboy?

With an average ocean temperature of 39.7°F (4.3°C), February is the month with the coldest seawater.

What is the month with the least sunshine in Perth Amboy?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

What are the least humid months in Perth Amboy?

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

What is the snowiest month in Perth Amboy?

March is the month with the most snowfall. Snow falls for 3.7 days and accumulates 3.39" (86mm) of snow.

When it does not snow in Perth Amboy?

In Perth Amboy, New Jersey, snow does not fall in May through September.

When are the longest days in Perth Amboy?

The month with the longest days in Perth Amboy is June, with an average of 15h of daylight.

What are the months with the highest UV index in Perth Amboy?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Perth Amboy, New Jersey.

What is the warmest month in Perth Amboy?

July is the warmest month in Perth Amboy, with an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 69.4°F (20.8°C).

What is the wettest month in Perth Amboy?

The wettest months are July and December, with an average 3.31" (84mm) of rainfall.

What month has the most sunshine in Perth Amboy?

The month with the most sunshine in Perth Amboy is July, with an average of 10.6h of sunshine.

What month is the ocean warmest in Perth Amboy?

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater in Perth Amboy, New Jersey.

What is the driest month in Perth Amboy?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.81" (46mm) of precipitation.

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

The month with the shortest days is December, with an average of 9.3h of daylight.

Average temperature
Perth Amboy, NJ

Average temperature - Perth Amboy, NJ

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).

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
Perth Amboy, NJ

Average pressure - Perth Amboy, NJ

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
Perth Amboy, NJ

Average wind speed - Perth Amboy, NJ

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
Perth Amboy, NJ

Average humidity - Perth Amboy, NJ

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
Perth Amboy, NJ

Average rainfall - Perth Amboy, NJ

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
Perth Amboy, NJ

Average rainfall days - Perth Amboy, NJ

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
Perth Amboy, NJ

Average snowfall - Perth Amboy, NJ

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
Perth Amboy, NJ

Average snowfall days - Perth Amboy, NJ

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
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).

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Average daylight / Average sunshine
Perth Amboy, NJ

Average daylight / Average sunshine - Perth Amboy, NJ

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

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
Perth Amboy, NJ

Average sunshine days - Perth Amboy, NJ

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
Perth Amboy, NJ

Average UV index - Perth Amboy, NJ

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 visibility
Perth Amboy, NJ

Average visibility - Perth Amboy, NJ

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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