July weather forecast
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 July

July, like June, in Perth Amboy, New Jersey, is another warm summer month, with an average temperature varying between 82.8°F (28.2°C) and 69.4°F (20.8°C).

Temperature

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

Heat index

The average heat index in July is evaluated at a hot 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, clothing, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Perth Amboy, the average relative humidity in July is 74%.

Rainfall

The months with the most rainfall in Perth Amboy are July and December, with an average 3.31" (84mm) of precipitation.

Snowfall

May through September are months without snowfall.

Ocean temperature

In Perth Amboy, the average water temperature is 72.1°F (22.3°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In July, the average length of the day is 14h and 44min.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:31 pm. On the last day of July, sunrise is at 5:53 am and sunset at 8:13 pm EDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year in Perth Amboy.

UV index

The months with the highest UV index in Perth Amboy are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the warmest month in Perth Amboy?

July is the warmest month in Perth Amboy, New Jersey, 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 temperature in July in Perth Amboy?

The average high-temperature, in July, is 82.8°F (28.2°C), while the average low-temperature is 69.4°F (20.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is evaluated at 88.9°F (31.6°C).

What is the average humidity in July in Perth Amboy?

In July, the average relative humidity in Perth Amboy is 74%.

What is the wettest month in Perth Amboy?

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

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

In July, in Perth Amboy, the rain falls for 16.2 days. Throughout July, 3.31" (84mm) of precipitation is accumulated.

When it does not snow in Perth Amboy?

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

What is the ocean temperature in July in Perth Amboy?

In Perth Amboy, the average seawater temperature in July is 72.1°F (22.3°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water.

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

In July, the average day length in Perth Amboy is 14h and 44min.

When is the sunrise / sunset in July in Perth Amboy?

In July, on the first day of the month, sunrise is at 5:30 am and sunset at 8:31 pm. On the last day of the month, in Perth Amboy, sunrise is at 5:53 am and sunset at 8:13 pm EDT.

What month has the most sunshine in Perth Amboy?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in July in Perth Amboy?

In July, the average sunshine duration is 10.6h.

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.

How high is the UV index in July in Perth Amboy?

In July, the average daily maximum UV index in Perth Amboy is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Perth Amboy, NJ

Average temperature in July - Perth Amboy, NJ
  • Average high temperature in July: 82.8°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 July: 69.4°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 July
Perth Amboy, NJ

Average pressure in July - Perth Amboy, NJ
  • Average pressure in July: 29.96"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 July
Perth Amboy, NJ

Average wind speed in July - Perth Amboy, NJ
  • Average wind speed in July: 6.6mph

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 July
Perth Amboy, NJ

Average humidity in July - Perth Amboy, NJ
  • Average humidity in July: 74%

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 July
Perth Amboy, NJ

Average rainfall in July - Perth Amboy, NJ
  • Average rainfall in July: 3.31"

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 July
Perth Amboy, NJ

Average rainfall days in July - Perth Amboy, NJ
  • Average rainfall days in July: 16.2 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 July
Perth Amboy, NJ

Average snowfall in July - Perth Amboy, NJ
  • Average snowfall in July: 0"

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 July
Perth Amboy, NJ

Average snowfall days in July - Perth Amboy, NJ
  • Average snowfall days in July: 0 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 July
Perth Amboy, NJ

Average sea temperature in July - Perth Amboy, NJ
  • Average sea temperature in July: 72.1°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 July /
Average sunshine in July
Perth Amboy, NJ

Average daylight in July / Average sunshine in July - Perth Amboy, NJ
  • Average daylight in July: 14h and 44min

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 20min).

  • Average sunshine in July: 10h and 36min

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 July
Perth Amboy, NJ

Average sunshine days in July - Perth Amboy, NJ
  • Average sunshine days in July: 12.6 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 July
Perth Amboy, NJ

Average UV index in July - Perth Amboy, NJ
  • Average UV index in July: 6

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 July
Perth Amboy, NJ

Average cloud cover in July - Perth Amboy, NJ
  • Average cloud cover in July: 30

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 July
Perth Amboy, NJ

Average visibility in July - Perth Amboy, NJ
  • Average visibility in July: 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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