August weather forecast
Oak Valley, NJ

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Weather in August

The last month of the summer, August, is also a moderately hot month in Oak Valley, New Jersey, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 83.7°F (28.7°C).

Temperature

Oak Valley records an average high-temperature of a still moderately hot 83.7°F (28.7°C) in August, maintaining a close correlation with July's 85.6°F (29.8°C). Oak Valley experiences a mean temperature of 67.6°F (19.8°C) during August nights.

Heat index

Throughout August, the heat index is estimated at a tropical 91.4°F (33°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

The average relative humidity in August in Oak Valley is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 12.5 days and typically aggregates up to 1.1" (28mm) of precipitation.

Snowfall

In Oak Valley, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

Sunshine

The average sunshine in August is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. 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 protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Oak Valley, 83.7°F (28.7°C) is the average high-temperature and 67.6°F (19.8°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in August?

The average relative humidity in August is 73%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 12.5 days and accumulates 1.1" (28mm) of precipitation.

How much does it rain in August?

In Oak Valley, during August, the rain falls for 12.5 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When it does not snow?

May through October are months without snowfall in Oak Valley.

What is the average length of the day in August?

The average day length in August in Oak Valley is 13h and 41min.

When is the sunrise / sunset in August?

On the first day of August in Oak Valley, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

How long on average sun shines in August?

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

When is the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Oak Valley, NJ

Average temperature in August - Oak Valley, NJ
  • Average high temperature in August: 83.7°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 (37.9°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in August
Oak Valley, NJ

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Oak Valley, NJ

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

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 (5.6mph).

Average humidity in August
Oak Valley, NJ

Average humidity in August - Oak Valley, NJ
  • Average humidity in August: 73%

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

Average rainfall in August
Oak Valley, NJ

Average rainfall in August - Oak Valley, NJ
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in August
Oak Valley, NJ

Average rainfall days in August - Oak Valley, NJ
  • Average rainfall days in August: 12.5 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.3 days).

Average snowfall in August
Oak Valley, NJ

Average snowfall in August - Oak Valley, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Oak Valley, NJ

Average snowfall days in August - Oak Valley, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.5 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
Oak Valley, NJ

Average daylight in August / Average sunshine in August - Oak Valley, NJ
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Oak Valley, NJ

Average sunshine days in August - Oak Valley, NJ
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.7 days).

Average UV index in August
Oak Valley, NJ

Average UV index in August - Oak Valley, 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
Oak Valley, NJ

Average cloud cover in August - Oak Valley, NJ
  • Average cloud cover in August: 31

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Oak Valley, NJ

Average visibility in August - Oak Valley, 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).

Oak Valley, New Jersey, USA

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