August weather forecast
Glen Rock, NJ

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Weather in August

The last month of the summer, August, is also a moderately hot month in Glen Rock, New Jersey, with an average temperature fluctuating between 82.4°F (28°C) and 65.8°F (18.8°C).

Temperature

In August, Glen Rock experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 84.4°F (29.1°C) in July to a still moderately hot 82.4°F (28°C). During August, Glen Rock's temperature falls to a steady low-temperature average of 65.8°F (18.8°C).

Heat index

August's average heat index is estimated at a hot 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 extremely significant for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The months with the lowest humidity in Glen Rock are April, July and August, with an average relative humidity of 72%.

Rainfall

In Glen Rock, in August, during 16.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Glen Rock, during the entire year, the rain falls for 160.7 days and collects up to 29.33" (745mm) of precipitation.

Snowfall

In Glen Rock, New Jersey, snow does not fall in June through September.

Daylight

In August, the average length of the day is 13h and 46min.
On the first day of August, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index in Glen Rock, New Jersey, are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot is August in Glen Rock?

An average high-temperature, in August, in Glen Rock, is 82.4°F (28°C) and the average low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the least humid month in Glen Rock?

The months with the lowest humidity in Glen Rock, New Jersey, are April, July and August, with an average relative humidity of 72%.

What is the average humidity in August in Glen Rock?

The average relative humidity in August in Glen Rock, New Jersey, is 72%.

How many days does it rain in August in Glen Rock?

In August, in Glen Rock, the rain falls for 16.1 days. Throughout August, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Glen Rock?

In Glen Rock, snow does not fall in June through September.

How many hours of daylight does Glen Rock have in August?

The average day length in August in Glen Rock, New Jersey, is 13h and 46min.

When are sunrise and sunset in August in Glen Rock?

On the first day of August in Glen Rock, New Jersey, sunrise is at 5:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Glen Rock have in August?

The average sunshine duration in August in Glen Rock is 10.2h.

What are the months with the highest UV index in Glen Rock?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Glen Rock, New Jersey.

How high is the UV index in August in Glen Rock?

In August, the average daily maximum UV index in Glen Rock is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
Glen Rock, NJ

Average temperature in August - Glen Rock, NJ
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in August
Glen Rock, NJ

Average pressure in August - Glen Rock, 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
Glen Rock, NJ

Average wind speed in August - Glen Rock, NJ
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in August
Glen Rock, NJ

Average humidity in August - Glen Rock, NJ
  • Average humidity in August: 72%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in August
Glen Rock, NJ

Average rainfall in August - Glen Rock, NJ
  • Average rainfall in August: 2.6"

The wettest months (with the highest rainfall) are July and December (3.07").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in August
Glen Rock, NJ

Average rainfall days in August - Glen Rock, NJ
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in August
Glen Rock, NJ

Average snowfall in August - Glen Rock, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Glen Rock, NJ

Average snowfall days in August - Glen Rock, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Glen Rock, NJ

Average daylight in August / Average sunshine in August - Glen Rock, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in August
Glen Rock, NJ

Average sunshine days in August - Glen Rock, NJ
  • Average sunshine days in August: 13.1 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in August
Glen Rock, NJ

Average UV index in August - Glen Rock, 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
Glen Rock, NJ

Average cloud cover in August - Glen Rock, NJ
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Glen Rock, NJ

Average visibility in August - Glen Rock, 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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Glen Rock, New Jersey, USA

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