August weather forecast
Dumont, NJ

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Weather in August

August, the last month of the summer in Dumont, is also a moderately hot month, with an average temperature ranging between max 82.9°F (28.3°C) and min 67.3°F (19.6°C).

Temperature

The start of August marks an average high-temperature of a still moderately hot 82.9°F (28.3°C), hardly distinguishable from the conditions in July. During the August nights, an average temperature of 67.3°F (19.6°C) is observed.

Heat index

For August, the heat index is evaluated at a hot 87.8°F (31°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 68%, August is the least humid month in Dumont.

Rainfall

In Dumont, in August, it is raining for 14.4 days, with typically 2.28" (58mm) of accumulated precipitation. In Dumont, during the entire year, the rain falls for 153.9 days and collects up to 30.75" (781mm) of precipitation.

Snowfall

In Dumont, New Jersey, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 46min.
On the first day of August in Dumont, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:29 pm EDT.

Sunshine

In Dumont, New Jersey, the average sunshine in August is 10.2h.

UV index

The months with the highest UV index in Dumont, New Jersey, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Dumont during August?

The average high-temperature and low-temperature during August are 82.9°F (28.3°C) and 67.3°F (19.6°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the least humid month in Dumont?

With an average relative humidity of 68%, August is the least humid month in Dumont, New Jersey.

What is the average humidity in August in Dumont?

In Dumont, New Jersey, the average relative humidity in August is 68%.

How much does it rain in Dumont in August?

In Dumont, in August, during 14.4 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow in Dumont?

In Dumont, New Jersey, snow does not fall in May through October.

How many hours of daylight does Dumont have in August?

The average day length in August is 13h and 46min.

When is the sunrise / sunset in August in Dumont?

In August, on the first day of the month, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of the month, in Dumont, New Jersey, sunrise is at 6:22 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Dumont have in August?

In August, the average sunshine duration in Dumont is 10.2h.

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

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

What is the UV index intensity in August in Dumont?

In August, the average daily maximum UV index in Dumont is 6. A UV Index of 6 to 7 symbolizes 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
Dumont, NJ

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

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average pressure in August
Dumont, NJ

Average pressure in August - Dumont, 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).

Average wind speed in August
Dumont, NJ

Average wind speed in August - Dumont, NJ
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in August
Dumont, NJ

Average humidity in August - Dumont, NJ
  • Average humidity in August: 68%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).

Average rainfall in August
Dumont, NJ

Average rainfall in August - Dumont, NJ
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in August
Dumont, NJ

Average rainfall days in August - Dumont, NJ
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in August
Dumont, NJ

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

The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Dumont, NJ

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

The month with the highest number of snowfall days is January (6.9 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
Dumont, NJ

Average daylight in August / Average sunshine in August - Dumont, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Dumont, NJ

Average sunshine days in August - Dumont, NJ
  • Average sunshine days in August: 15 days

The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).

Average UV index in August
Dumont, NJ

Average UV index in August - Dumont, 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).

Average cloud cover in August
Dumont, NJ

Average cloud cover in August - Dumont, NJ
  • Average cloud cover in August: 32

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Dumont, NJ

Average visibility in August - Dumont, 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).

Dumont, New Jersey, USA

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