August weather forecast
Newark, NJ

A mirrored reflection of Newark City in New Jersey, on the Passaic River
A mirrored reflection of Newark City in New Jersey, on the Passaic River

Weather in August

August, the last month of the summer in Newark, is also a moderately hot month, with an average temperature varying between 68.4°F (20.2°C) and 81.9°F (27.7°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 81.9°F (27.7°C). In August, in Newark, the average low-temperature is 68.4°F (20.2°C).

Heat index

In August, the average heat index is appraised at a tropical 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The months with the lowest humidity are April and August, with an average relative humidity of 72%.

Rainfall

In August, the rain falls for 14.8 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 161.1 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

In Newark, snow does not fall in May through October.

Ocean temperature

August is the month with the warmest seawater in Newark, with an average ocean temperature of 74.1°F (23.4°C).
Note: 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. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In August, the average length of the day in Newark is 13h and 45min.
On the first day of August in Newark, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:31 pm EDT.

Sunshine

In Newark, the average sunshine in August is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Newark. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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.
[Resources]

FAQ

What is the temperature in August in Newark?

The average high-temperature, in August, in Newark, is 81.9°F (27.7°C), while the average low-temperature is 68.4°F (20.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 86°F (30°C).

What are the least humid months in Newark?

The months with the lowest humidity are April and August, with an average relative humidity of 72%.

What is the average humidity in August in Newark?

In Newark, the average relative humidity in August is 72%.

How much does it rain in Newark in August?

In Newark, New Jersey, in August, it is raining for 14.8 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Newark?

In Newark, snow does not fall in May through October.

What month is the ocean warmest in Newark?

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

What is the ocean temperature in August in Newark?

In August, the average ocean temperature in Newark, New Jersey, is 74.1°F (23.4°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 74.1°F (23.4°C).

How many hours of daylight does Newark have in August?

In August, the average day length in Newark, New Jersey, is 13h and 45min.

What time are sunrise and sunset in August in Newark?

On the first day of August in Newark, New Jersey, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:31 pm EDT.

How long on average sun shines in August in Newark?

In August, the average sunshine duration in Newark, New Jersey, is 10.5h.

What are the months with the highest UV index in Newark?

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

How high is the UV index in August in Newark?

The average daily maximum UV index in August in Newark, New Jersey, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Newark, NJ

Average temperature in August - Newark, NJ
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in August: 68.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

[Resources]

Average pressure in August
Newark, NJ

Average pressure in August - Newark, 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).

[Resources]

Average wind speed in August
Newark, NJ

Average wind speed in August - Newark, NJ
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

[Resources]

Average humidity in August
Newark, NJ

Average humidity in August - Newark, NJ
  • Average humidity in August: 72%

The months with the highest relative humidity are February, May, October and December (76%).
The months with the lowest relative humidity are April and August (72%).

[Resources]

Average rainfall in August
Newark, NJ

Average rainfall in August - Newark, NJ
  • Average rainfall in August: 2.6"

The wettest months (with the highest rainfall) are July and December (3.19").
The driest month (with the least rainfall) is September (1.65").

[Resources]

Average rainfall days in August
Newark, NJ

Average rainfall days in August - Newark, NJ
  • Average rainfall days in August: 14.8 days

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is November (9.5 days).

[Resources]

Average snowfall in August
Newark, NJ

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

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in August
Newark, NJ

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

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in August
Newark, NJ

Average sea temperature in August - Newark, 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).

[Resources]

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

Average daylight in August / Average sunshine in August - Newark, NJ
  • Average daylight in August: 13h and 45min

The month with the longest days is June (Average daylight: 15h and 3min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in August: 10h and 30min

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 48min).

[Resources]

Average sunshine days in August
Newark, NJ

Average sunshine days in August - Newark, NJ
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

[Resources]

Average UV index in August
Newark, NJ

Average UV index in August - Newark, 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).

[Resources]

Average cloud cover in August
Newark, NJ

Average cloud cover in August - Newark, NJ
  • Average cloud cover in August: 30

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).

[Resources]

Average visibility in August
Newark, NJ

Average visibility in August - Newark, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location