August 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 August

The traditional summer weather continues into August in Perth Amboy, New Jersey. Temperatures fluctuate slightly compared to July, spanning from 68.5°F (20.3°C) to 81.3°F (27.4°C). August is characterized by hot and humid days, with the sea temperature hitting its peak, making it ideal for water activities. Nevertheless, an increase in humidity levels can make the heat feel intensive. Occasional rainfall offers a refreshing change, particularly on hot, humid days.

Temperature

August in Perth Amboy welcomes an average high-temperature of a still moderately hot 81.3°F (27.4°C), not much different from the preceding month. In August, Perth Amboy encounters an average low-temperature of 68.5°F (20.3°C) during the night.

Heat index

The heat index value for August is evaluated at a hot 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

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

Rainfall

In August, in Perth Amboy, the rain falls for 15.4 days. Throughout August, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 157.5 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 74.1°F (23.4°C).
Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 74.1°F (23.4°C) waters might be just right. Remember, Olympic swimmers are used to waters between 77°F (25°C) and 82.4°F (28°C).

Daylight

In Perth Amboy, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:11 pm. On the last day of August, in Perth Amboy, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

Sunshine

In Perth Amboy, the average sunshine in August is 10.3h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! UV radiation is markedly stronger with water and sand reflections.
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Frequently asked questions

What is the temperature in August in Perth Amboy?

The high-temperature, in August, in Perth Amboy, records 81.3°F (27.4°C), while the low-temperature is 68.5°F (20.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

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 average humidity in August in Perth Amboy?

In Perth Amboy, the average relative humidity in August is 73%.

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

In Perth Amboy, New Jersey, during August, the rain falls for 15.4 days and regularly aggregates up to 2.91" (74mm) of precipitation.

When it does not snow in Perth Amboy?

May through September are months without snowfall in Perth Amboy.

When is the ocean warmest in Perth Amboy?

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

How warm is the water in August in Perth Amboy?

In Perth Amboy, the average seawater temperature in August is 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.

How many hours of daylight does Perth Amboy have in August?

In August, the average day length in Perth Amboy is 13h and 44min.

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

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:11 pm. On the last day of the month, in Perth Amboy, New Jersey, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

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

In August, the average sunshine duration is 10.3h.

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 UV index reading in August in Perth Amboy?

The average daily maximum UV index in August in Perth Amboy, New Jersey, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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 August
Perth Amboy, NJ

Average temperature in August - Perth Amboy, NJ
  • Average high temperature in August: 81.3°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 August: 68.5°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 August
Perth Amboy, NJ

Average pressure in August - Perth Amboy, NJ
  • Average pressure in August: 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 August
Perth Amboy, NJ

Average wind speed in August - Perth Amboy, NJ
  • Average wind speed in August: 6.7mph

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 August
Perth Amboy, NJ

Average humidity in August - Perth Amboy, NJ
  • Average humidity in August: 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 August
Perth Amboy, NJ

Average rainfall in August - Perth Amboy, NJ
  • Average rainfall in August: 2.91"

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 August
Perth Amboy, NJ

Average rainfall days in August - Perth Amboy, NJ
  • Average rainfall days in August: 15.4 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 August
Perth Amboy, NJ

Average snowfall in August - Perth Amboy, NJ
  • Average snowfall in August: 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 August
Perth Amboy, NJ

Average snowfall days in August - Perth Amboy, NJ
  • Average snowfall days in August: 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 August
Perth Amboy, NJ

Average sea temperature in August - Perth Amboy, NJ
  • Average sea temperature in August: 74.1°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 August /
Average sunshine in August
Perth Amboy, NJ

Average daylight in August / Average sunshine in August - Perth Amboy, NJ
  • Average daylight in August: 13h and 4min

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 August: 10h 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 August
Perth Amboy, NJ

Average sunshine days in August - Perth Amboy, NJ
  • Average sunshine days in August: 13.7 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 August
Perth Amboy, NJ

Average UV index in August - Perth Amboy, NJ
  • Average UV index in August: 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 August
Perth Amboy, NJ

Average cloud cover in August - Perth Amboy, NJ
  • Average cloud cover in August: 31

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 August
Perth Amboy, NJ

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