August weather forecast
Blackwood, NJ

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Weather in August

August, the last month of the summer in Blackwood, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 68.2°F (20.1°C).

Temperature

Blackwood transitions into August recording an average high-temperature of a still moderately hot 83.7°F (28.7°C), closely aligning with the preceding month's temperature. Blackwood witnesses a consistent average low-temperature of 68.2°F (20.1°C) throughout August.

Heat index

For most parts of August, the heat index is calculated to be a tropical 89.6°F (32°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in August is 72%.

Rainfall

August is the month with the most rainfall in Blackwood. Rain falls for 12 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

In Blackwood, snow does not fall in April, June through October.

Daylight

In August, the average length of the day in Blackwood is 13h and 41min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:32 pm EDT.

Sunshine

In Blackwood, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In August, the average high-temperature and low-temperature are 83.7°F (28.7°C) and 68.2°F (20.1°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 72%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 12 days and accumulates 1.38" (35mm) of precipitation.

How many days does it rain in August?

In Blackwood, New Jersey, in August, it is raining for 12 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Blackwood?

April, June through October are months without snowfall.

What is the average length of the day in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:32 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration in Blackwood is 10.3h.

When is the highest UV index?

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

What is the UV index reading in August?

In Blackwood, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Blackwood, NJ

Average temperature in August - Blackwood, NJ
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in August
Blackwood, NJ

Average pressure in August - Blackwood, 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
Blackwood, NJ

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

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

Average humidity in August
Blackwood, NJ

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

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

Average rainfall in August
Blackwood, NJ

Average rainfall in August - Blackwood, NJ
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").

Average rainfall days in August
Blackwood, NJ

Average rainfall days in August - Blackwood, NJ
  • Average rainfall days in August: 12 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in August
Blackwood, NJ

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

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in August
Blackwood, NJ

Average snowfall days in August - Blackwood, 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 June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Blackwood, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Blackwood, NJ

Average sunshine days in August - Blackwood, NJ
  • Average sunshine days in August: 15.6 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in August
Blackwood, NJ

Average UV index in August - Blackwood, 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
Blackwood, NJ

Average cloud cover in August - Blackwood, NJ
  • Average cloud cover in August: 31

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in August
Blackwood, NJ

Average visibility in August - Blackwood, 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).

Blackwood, New Jersey, USA

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