August weather forecast
South Orange, NJ

Share

Weather in August

South Orange, New Jersey in August maintains the high temperatures from July, albeit with a slight dip. The weather remains largely sunny with significant daylight hours. However, it experiences an increase in rainfall to 3.11" (79mm), the second highest for the year. Outdoor activities are largely uninterrupted, barring occasional short-lived storms. August serves as a harbinger of the forthcoming fall season.

Temperature

The average high-temperature in South Orange during August is a still moderately hot 81.9°F (27.7°C), almost matching the conditions of the preceding month. An average low-temperature of 67.3°F (19.6°C) marks the nights throughout August.

Heat index

The heat index in August is computed to be a hot 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The least humid month is August, with an average relative humidity of 71%.

Rainfall

In South Orange, during August, the rain falls for 15.8 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 33.7" (856mm) of precipitation is accumulated.

Snowfall

In South Orange, New Jersey, snow does not fall in May through October.

Daylight

The average length of the day in August in South Orange 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, in South Orange, sunrise is at 6:23 am and sunset at 7:30 pm EDT.

Sunshine

In South Orange, the average sunshine in August is 10.4h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in South Orange. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in South Orange in August?

The average high-temperature, in August, in South Orange, is 81.9°F (27.7°C), while the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What is the least humid month in South Orange?

The least humid month in South Orange is August, with an average relative humidity of 71%.

What is the average humidity in August in South Orange?

In August, the average relative humidity in South Orange is 71%.

How many days does it rain in August in South Orange?

In August, in South Orange, New Jersey, the rain falls for 15.8 days. Throughout August, 3.11" (79mm) of precipitation is accumulated.

When it does not snow in South Orange?

In South Orange, snow does not fall in May through October.

What is the average length of the day in August in South Orange?

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

When is the sunrise / sunset in August in South Orange?

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 many hours of sunshine does South Orange have in August?

The average sunshine duration in August in South Orange is 10.4h.

What are the months with the highest UV index in South Orange?

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

How high is the UV index in August in South Orange?

The average daily maximum UV index in August in South Orange, New Jersey, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe 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
South Orange, NJ

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

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in August
South Orange, NJ

Average pressure in August - South Orange, 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).

Average wind speed in August
South Orange, NJ

Average wind speed in August - South Orange, NJ
  • Average wind speed in August: 6mph

The windiest months (with the highest average wind speed) are January and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in August
South Orange, NJ

Average humidity in August - South Orange, NJ
  • Average humidity in August: 71%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

Average rainfall in August
South Orange, NJ

Average rainfall in August - South Orange, NJ
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in August
South Orange, NJ

Average rainfall days in August - South Orange, NJ
  • Average rainfall days in August: 15.8 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in August
South Orange, NJ

Average snowfall in August - South Orange, 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").

Average snowfall days in August
South Orange, NJ

Average snowfall days in August - South Orange, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
South Orange, NJ

Average daylight in August / Average sunshine in August - South Orange, 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).

Average sunshine days in August
South Orange, NJ

Average sunshine days in August - South Orange, NJ
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in August
South Orange, NJ

Average UV index in August - South Orange, 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
South Orange, NJ

Average cloud cover in August - South Orange, NJ
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in August
South Orange, NJ

Average visibility in August - South Orange, 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).

South Orange, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location