August weather forecast
Irvington, NJ

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Weather in August

As summer continues into August, Irvington, New Jersey, retains much of the warmth, but with a slight dip in temperature to 82.6°F (28.1°C). Although the weather is still warm, it's slightly milder in comparison to July which can be a relief for some residents. Despite this, the summer heat lingers, and the city continues to relish in the long daylight hours and belts of sunshine. August offers a final month of pure summer heat before the descent into the cooler days of autumn, making it an important month for enjoying outdoor activities.

Temperature

Irvington experiences a recorded average high-temperature of a still warm 82.6°F (28.1°C) in August, closely aligned with July's 84.4°F (29.1°C). In August, the average low-temperature records at an enjoyable 66.2°F (19°C) during the nights.

Heat index

The heat index value during August is calculated to be a tropical 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

August is the least humid month, with an average relative humidity of 70%.

Rainfall

In Irvington, in August, it is raining for 13.8 days, with typically 1.57" (40mm) of accumulated precipitation. In Irvington, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.

Snowfall

In Irvington, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 45min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

The months with the highest UV index 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 unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

During August, Irvington experiences an average high-temperature of 82.6°F (28.1°C) and a low-temperature of 66.2°F (19°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 87.8°F (31°C).

What is the least humid month?

With an average relative humidity of 70%, August is the least humid month.

What is the average humidity in August?

The average relative humidity in August is 70%.

How much does it rain in August?

In Irvington, in August, during 13.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow?

In Irvington, snow does not fall in May through September.

How many hours of daylight does Irvington have in August?

In Irvington, the average day length in August is 13h and 45min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:30 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.3h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high 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 August
Irvington, NJ

Average temperature in August - Irvington, NJ
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 66.2°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in August
Irvington, NJ

Average pressure in August - Irvington, NJ
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Irvington, NJ

Average wind speed in August - Irvington, NJ
  • Average wind speed in August: 5.6mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in August
Irvington, NJ

Average humidity in August - Irvington, NJ
  • Average humidity in August: 70%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).

Average rainfall in August
Irvington, NJ

Average rainfall in August - Irvington, NJ
  • Average rainfall in August: 1.57"

The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in August
Irvington, NJ

Average rainfall days in August - Irvington, NJ
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in August
Irvington, NJ

Average snowfall in August - Irvington, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Irvington, NJ

Average snowfall days in August - Irvington, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Irvington, NJ

Average daylight in August / Average sunshine in August - Irvington, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Irvington, NJ

Average sunshine days in August - Irvington, NJ
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in August
Irvington, NJ

Average UV index in August - Irvington, 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).

Average cloud cover in August
Irvington, NJ

Average cloud cover in August - Irvington, 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 August (Cloud cover 31).

Average visibility in August
Irvington, NJ

Average visibility in August - Irvington, 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).

Irvington, New Jersey, USA

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