August weather forecast
Marlton, NJ

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Weather in August

The last month of the summer, August, is another warm month in Marlton, New Jersey, with an average temperature fluctuating between 67.6°F (19.8°C) and 83.8°F (28.8°C).

Temperature

The average high-temperature during August registers at a still moderately hot 83.8°F (28.8°C), closely corresponding to the preceding month. August in Marlton witnesses an average low-temperature hovering around a comfortable 67.6°F (19.8°C).

Heat index

The heat index for August is calculated to be a hot 91.4°F (33°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In August, the average relative humidity is 73%.

Rainfall

The wettest months are July and August, with an average 1.42" (36mm) of rainfall.

Snowfall

In Marlton, snow does not fall in April through October.

Daylight

In Marlton, the average length of the day in August is 13h and 42min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Marlton. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The high-temperature during August is 83.8°F (28.8°C) and the low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 91.4°F (33°C).

What is the average humidity in August?

In Marlton, New Jersey, the average relative humidity in August is 73%.

What is the rainiest month?

The wettest months are July and August, with an average 1.42" (36mm) of rainfall.

How many days does it rain in August?

In Marlton, in August, it is raining for 12.7 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow?

In Marlton, snow does not fall in April through October.

How many hours of daylight does Marlton have in August?

The average day length in August is 13h and 42min.

When is the sunrise / sunset in August in Marlton?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

How many hours of sunshine does Marlton have in August?

In August, the average sunshine duration is 10.2h.

When is the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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
Marlton, NJ

Average temperature in August - Marlton, NJ
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in August
Marlton, NJ

Average pressure in August - Marlton, 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
Marlton, NJ

Average wind speed in August - Marlton, NJ
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in August
Marlton, NJ

Average humidity in August - Marlton, NJ
  • Average humidity in August: 73%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Marlton, NJ

Average rainfall in August - Marlton, NJ
  • Average rainfall in August: 1.42"

The wettest months (with the highest rainfall) are July and August (1.42").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in August
Marlton, NJ

Average rainfall days in August - Marlton, NJ
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Marlton, NJ

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

The months with the highest snowfall are February and March (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Marlton, NJ

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

The month with the highest number of snowfall days is January (3.9 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
Marlton, NJ

Average daylight in August / Average sunshine in August - Marlton, 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 24min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Marlton, NJ

Average sunshine days in August - Marlton, NJ
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13 days).

Average UV index in August
Marlton, NJ

Average UV index in August - Marlton, NJ
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Marlton, NJ

Average cloud cover in August - Marlton, NJ
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Marlton, NJ

Average visibility in August - Marlton, 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).

Marlton, New Jersey, USA

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