August weather forecast
Allendale, NJ

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Weather in August

The last month of the summer, August, is also a moderately hot month in Allendale, New Jersey, with an average temperature ranging between max 82.9°F (28.3°C) and min 65.7°F (18.7°C).

Temperature

August's onset records a minor alteration in the average high-temperature to a still warm 82.9°F (28.3°C) from July's 84.7°F (29.3°C). Throughout August, Allendale registers a consistent average low-temperature of 65.7°F (18.7°C).

Heat index

During August, the heat index is appraised at a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. 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. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

With an average relative humidity of 70%, August is the least humid month in Allendale.

Rainfall

In Allendale, during August, the rain falls for 15.3 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 157.3 rainfall days, and 32.72" (831mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Allendale.

Daylight

The average length of the day in August in Allendale is 13h and 46min.
On the first day of August in Allendale, New Jersey, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.

Sunshine

In August, the average sunshine in Allendale, New Jersey, is 10.1h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

Is it hot in Allendale during August?

The high-temperature, in August, in Allendale, records 82.9°F (28.3°C), while the low-temperature is 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the least humid month in Allendale?

With an average relative humidity of 70%, August is the least humid month.

What is the average humidity in August in Allendale?

The average relative humidity in August in Allendale, New Jersey, is 70%.

How many days does it rain in August in Allendale?

In August, in Allendale, New Jersey, the rain falls for 15.3 days. Throughout August, 2.64" (67mm) of precipitation is accumulated.

When it does not snow in Allendale?

In Allendale, New Jersey, snow does not fall in May through September.

What is the average length of the day in August in Allendale?

In Allendale, New Jersey, the average day length in August is 13h and 46min.

What time are sunrise and sunset in August in Allendale?

On the first day of August in Allendale, New Jersey, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Allendale have in August?

In August, the average sunshine duration in Allendale, New Jersey, is 10.1h.

What are the months with the highest UV index in Allendale?

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

What is the UV index intensity in August in Allendale?

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

Average temperature in August - Allendale, NJ
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in August
Allendale, NJ

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

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Allendale, NJ

Average wind speed in August - Allendale, NJ
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
Allendale, NJ

Average humidity in August - Allendale, NJ
  • Average humidity in August: 70%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in August
Allendale, NJ

Average rainfall in August - Allendale, NJ
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Allendale, NJ

Average rainfall days in August - Allendale, NJ
  • Average rainfall days in August: 15.3 days

The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in August
Allendale, NJ

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

The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Allendale, NJ

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

The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Allendale, NJ
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Allendale, NJ

Average sunshine days in August - Allendale, NJ
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in August
Allendale, NJ

Average UV index in August - Allendale, 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).

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Average cloud cover in August
Allendale, NJ

Average cloud cover in August - Allendale, NJ
  • Average cloud cover in August: 34

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in August
Allendale, NJ

Average visibility in August - Allendale, 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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Allendale, New Jersey, USA

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