August weather forecast
Clark, NJ

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Weather in August

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

Temperature

July's transformation into August witnesses an average high-temperature of a still warm 81.9°F (27.7°C), noting a minor change from the preceding month. An average low-temperature of 68.4°F (20.2°C) is recorded in the month of August.

Heat index

August's average heat index is appraised at a tropical 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

With an average relative humidity of 72%, August is the least humid month.

Rainfall

In Clark, in August, during 12.2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 110.2 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of August, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

Sunshine

In Clark, 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. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

An average high-temperature, in August, in Clark, is 81.9°F (27.7°C) and the average low-temperature is 68.4°F (20.2°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 72%.

What is the average humidity in August?

The average relative humidity in August is 72%.

How many days does it rain in August?

In Clark, during August, the rain falls for 12.2 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

How long on average sun shines in August?

In Clark, the average sunshine duration in August is 10.4h.

What are the months 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?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Clark, NJ

Average temperature in August - Clark, 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 (36.5°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).

Average pressure in August
Clark, NJ

Average pressure in August - Clark, 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
Clark, NJ

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

The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in August
Clark, NJ

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

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (72%).

Average rainfall in August
Clark, NJ

Average rainfall in August - Clark, NJ
  • Average rainfall in August: 0.98"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in August
Clark, NJ

Average rainfall days in August - Clark, NJ
  • Average rainfall days in August: 12.2 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in August
Clark, NJ

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

The month with the highest snowfall is March (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Clark, NJ

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

The month with the highest number of snowfall days is February (4.2 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
Clark, NJ

Average daylight in August / Average sunshine in August - Clark, 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
Clark, NJ

Average sunshine days in August - Clark, NJ
  • Average sunshine days in August: 15.7 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in August
Clark, NJ

Average UV index in August - Clark, 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
Clark, NJ

Average cloud cover in August - Clark, 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).

Average visibility in August
Clark, NJ

Average visibility in August - Clark, 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).

Clark, New Jersey, USA

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