August weather forecast and climate
Sewaren, NJ

Weather in August

The last month of the summer, August, is also a moderately hot month in Sewaren, New Jersey, with average temperature varying between 68.5°F (20.3°C) and 81.3°F (27.4°C).

Temperature

In Sewaren, New Jersey, the average high-temperature is almost the same as in July - a still moderately hot 81.3°F (27.4°C). In August, in Sewaren, New Jersey, the average low-temperature is 68.5°F (20.3°C).

Heat index

The average heat index is evaluated at 85.8°F (29.9°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 activity, pregnancy, clothing, and wind affect individual temperature impact. 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. 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

Months with the lowest humidity are March, April, August and November, with an average relative humidity of 73%.

Rainfall

In Sewaren, during August, the rain falls for 15.4 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Sewaren, New Jersey, during the entire year, the rain falls for 157.5 days and collects up to 31.42" (798mm) of precipitation.

Snowfall

May through September are months without snowfall in Sewaren.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 74.1°F (23.4°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 74.1°F (23.4°C).

Daylight

In August, the average length of the day is 13.7h.

Sunshine

In Sewaren, New Jersey, the average sunshine is 10.3h.

UV index

Months with the highest UV index in Sewaren, New Jersey, are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in August in Sewaren?

The average high-temperature, in August, in Sewaren, New Jersey, is 81.3°F (27.4°C), while the average low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 85.8°F (29.9°C).

What is the least humid month in Sewaren?

Months with the lowest humidity in Sewaren are March, April, August and November, with an average relative humidity of 73%.

What is the average humidity in August in Sewaren?

The average relative humidity in August in Sewaren is 73%.

How many days does it rain in August in Sewaren?

In Sewaren, New Jersey, in August, it is raining for 15.4 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Sewaren?

In Sewaren snow does not fall in May through September.

When is the ocean warmest in Sewaren?

The month with the warmest seawater is August, with an average ocean temperature of 74.1°F (23.4°C).

What is the water temperature in August in Sewaren?

In August, the average ocean temperature in Sewaren is 74.1°F (23.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.1°F (23.4°C) water.

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

The average length of the day in August in Sewaren is 13.7h.

How long on average sun shines in August in Sewaren?

In Sewaren, New Jersey, the average sunshine in August is 10.3h.

What is the month with the highest UV index in Sewaren?

Months with the highest UV index in Sewaren, New Jersey, are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Sewaren?

In August, the average daily maximum UV index in Sewaren is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Sewaren, NJ

Average temperature in August - Sewaren, NJ
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in August
Sewaren, NJ

Average pressure in August - Sewaren, NJ
  • Average pressure in August: 29.98"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in August
Sewaren, NJ

Average wind speed in August - Sewaren, NJ
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in August
Sewaren, NJ

Average humidity in August - Sewaren, NJ
  • Average humidity in August: 73%

Months with the highest relative humidity are February and May (77%).
Months with the lowest relative humidity are March, April, August and November (73%).

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Average rainfall in August
Sewaren, NJ

Average rainfall in August - Sewaren, NJ
  • Average rainfall in August: 2.91"

The wettest months (with the highest rainfall) are July and December (3.31").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in August
Sewaren, NJ

Average rainfall days in August - Sewaren, NJ
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in August
Sewaren, NJ

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

The month with the highest snowfall is March (3.39").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Sewaren, NJ

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

The month with the highest number of snowfall days is January (5.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in August
Sewaren, NJ

Average sea temperature in August - Sewaren, NJ
  • Average sea temperature in August: 74.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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

Average daylight in August / Average sunshine in August - Sewaren, NJ
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in August
Sewaren, NJ

Average sunshine days in August - Sewaren, NJ
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in August
Sewaren, NJ

Average UV index in August - Sewaren, NJ
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
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
Sewaren, NJ

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

Months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Sewaren, NJ

Average visibility in August - Sewaren, NJ
  • Average visibility in August: 6mi

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

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