August weather forecast
Clifton, NJ

Weather in August

August, the last month of the summer in Clifton, is another warm month, with an average temperature ranging between min 66.7°F (19.3°C) and max 82°F (27.8°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 82°F (27.8°C). The average low-temperature, in August, is 66.7°F (19.3°C).

Heat index

The average heat index in August is computed to be a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like metabolic differences, clothing, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The least humid month in Clifton is August, with an average relative humidity of 71%.

Rainfall

In Clifton, New Jersey, during August, the rain falls for 16 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Clifton, during the entire year, the rain falls for 164.6 days and collects up to 33.46" (850mm) of precipitation.

Snowfall

In Clifton, snow does not fall in May through September.

Daylight

The average length of the day in August in Clifton is 13h and 45min.
On the first day of August, sunrise is at 5:53 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:31 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Clifton, 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 unsafe exposure to UV radiation for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Clifton?

In Clifton, in August, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 66.7°F (19.3°C). in August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the least humid month in Clifton?

The least humid month in Clifton, New Jersey, is August, with an average relative humidity of 71%.

What is the average humidity in August in Clifton?

In Clifton, New Jersey, the average relative humidity in August is 71%.

How many days does it rain in August in Clifton?

In Clifton, in August, it is raining for 16 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in Clifton?

May through September are months without snowfall in Clifton.

How many hours of daylight does Clifton have in August?

In August, the average day length in Clifton is 13h and 45min.

When are sunrise and sunset in August in Clifton?

On the first day of August, sunrise is at 5:53 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:31 pm EDT.

How long on average sun shines in August in Clifton?

The average sunshine duration in August in Clifton, New Jersey, is 10.3h.

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

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

What is the UV index intensity in August in Clifton?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Clifton, NJ

Average temperature in August - Clifton, NJ
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in August
Clifton, NJ

Average pressure in August - Clifton, 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
Clifton, NJ

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

The windiest months (with the highest average wind speed) are January and March (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in August
Clifton, NJ

Average humidity in August - Clifton, NJ
  • Average humidity in August: 71%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in August
Clifton, NJ

Average rainfall in August - Clifton, NJ
  • Average rainfall in August: 2.99"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in August
Clifton, NJ

Average rainfall days in August - Clifton, NJ
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (9 days).

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Average snowfall in August
Clifton, NJ

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

The months with the highest snowfall are February and March (3.58").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Clifton, NJ

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

The month with the highest number of snowfall days is February (7.7 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
Clifton, NJ

Average daylight in August / Average sunshine in August - Clifton, NJ
  • Average daylight in August: 13h and 45min

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Clifton, NJ

Average sunshine days in August - Clifton, NJ
  • Average sunshine days in August: 12.2 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in August
Clifton, NJ

Average UV index in August - Clifton, 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
Clifton, NJ

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

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in August
Clifton, NJ

Average visibility in August - Clifton, 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).

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