August weather forecast
New Brunswick, NJ

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An aerial panorama of the city of Brunswick, New Jersey, seen with its deep tree cover, a large river, and bridges over the river
An aerial panorama of the city of Brunswick, New Jersey, seen with its deep tree cover, a large river, and bridges over the river

Weather in August

August weather in New Brunswick continues the trail of July, carrying forward the intense heat and maintaining the summer's peak. The city experiences the last month of high temperatures before a shift toward the cooler fall temps of September. By this time, the humidity starts to slightly drop, paving the way for somewhat more comfortable days. However, high UV index still warrants the need for sun protection for outdoor enthusiasts. August’s weather, albeit less heated than July, still commands respect with a temperature range from 67.1°F to 82.6°F and almost 3" of rainfall to boot.

Temperature

With the advent of August, New Brunswick experiences an average high-temperature of a still warm 82.6°F, mirroring a close resemblance to the previous month. August nights observe an average temperature dip to a comfortable 67.1°F.

Heat index

The heat index value during August is evaluated at a tropical 87.8°F. Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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

April and August, with an average relative humidity of 72%, are the least humid months in New Brunswick.

Rainfall

In New Brunswick, in August, during 15.2 rainfall days, 2.91" of precipitation is typically accumulated. Throughout the year, in New Brunswick, New Jersey, there are 149.4 rainfall days, and 28.43" of precipitation is accumulated.

Snowfall

June through October are months without snowfall in New Brunswick.

Daylight

The average length of the day in August in New Brunswick is 13h and 44min.
On the first day of August, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:32 pm EDT.

Sunshine

In New Brunswick, New Jersey, the average sunshine in August is 9.9h.

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 risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

Is it hot in New Brunswick during August?

August temperatures vary between a high-temperature of 82.6°F and a low-temperature of 67.1°F. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F.

What is the least humid month in New Brunswick?

April and August, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in August in New Brunswick?

In August, the average relative humidity in New Brunswick is 72%.

How much does it rain in New Brunswick in August?

In New Brunswick, in August, it is raining for 15.2 days, with typically 2.91" of accumulated precipitation.

When it does not snow in New Brunswick?

In New Brunswick, snow does not fall in June through October.

How many hours of daylight does New Brunswick have in August?

In New Brunswick, New Jersey, the average day length in August is 13h and 44min.

What time are sunrise and sunset in August in New Brunswick?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of the month, in New Brunswick, New Jersey, sunrise is at 6:24 am and sunset at 7:32 pm EDT.

How many hours of sunshine does New Brunswick have in August?

In New Brunswick, the average sunshine duration in August is 9.9h.

What is the month with the highest UV index in New Brunswick?

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 in New Brunswick?

The average daily maximum UV index in August in New Brunswick is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
New Brunswick, NJ

Average temperature in August - New Brunswick, NJ
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in August: 67.1°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in August
New Brunswick, NJ

Average pressure in August - New Brunswick, 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).

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Average wind speed in August
New Brunswick, NJ

Average wind speed in August - New Brunswick, NJ
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in August
New Brunswick, NJ

Average humidity in August - New Brunswick, NJ
  • Average humidity in August: 72%

The months with the highest relative humidity are February, October and December (77%).
The months with the lowest relative humidity are April and August (72%).

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Average rainfall in August
New Brunswick, NJ

Average rainfall in August - New Brunswick, NJ
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in August
New Brunswick, NJ

Average rainfall days in August - New Brunswick, NJ
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in August
New Brunswick, NJ

Average snowfall in August - New Brunswick, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
New Brunswick, NJ

Average snowfall days in August - New Brunswick, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
New Brunswick, NJ

Average daylight in August / Average sunshine in August - New Brunswick, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in August
New Brunswick, NJ

Average sunshine days in August - New Brunswick, NJ
  • Average sunshine days in August: 12.9 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in August
New Brunswick, NJ

Average UV index in August - New Brunswick, 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, March, November and December (UV index 2).

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Average cloud cover in August
New Brunswick, NJ

Average cloud cover in August - New Brunswick, NJ
  • Average cloud cover in August: 34

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in August
New Brunswick, NJ

Average visibility in August - New Brunswick, NJ
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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New Brunswick, New Jersey, USA

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