July weather forecast and climate
Sewaren, NJ

Weather in July

July, the same as June, is a moderately hot summer month in Sewaren, New Jersey, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 82.8°F (28.2°C).

Temperature

With an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month.

Heat index

In July, the average heat index is appraised at a tropical 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like pregnancy, metabolic differences, clothing, 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. 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

In Sewaren, the average relative humidity is 74%.

Rainfall

Months with the most rainfall are July and December, with an average 3.31" (84mm) of precipitation.

Snowfall

In Sewaren snow does not fall in May through September.

Ocean temperature

In July, the average ocean temperature is 72.1°F (22.3°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Sewaren, the average length of the day is 14.7h.

Sunshine

July has the most sunshine of the year, with an average of 10.6h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Sewaren?

July is the warmest month in Sewaren, with an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 69.4°F (20.8°C).

What is the temperature in July in Sewaren?

In Sewaren, New Jersey, in July, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 69.4°F (20.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 88.9°F (31.6°C).

What is the average humidity in July in Sewaren?

The average relative humidity in July in Sewaren, New Jersey, is 74%.

What is the rainiest month in Sewaren?

Months with the most rainfall are July and December, with an average 3.31" (84mm) of precipitation.

How many days does it rain in July in Sewaren?

In July, the rain falls for 16.2 days. Throughout July, 3.31" (84mm) of precipitation is accumulated.

When it does not snow in Sewaren?

May through September are months without snowfall in Sewaren.

How warm is the water in July in Sewaren?

In Sewaren, the average seawater temperature in July is 72.1°F (22.3°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable.

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

The average length of the day in July in Sewaren is 14.7h.

What month has the most sunshine in Sewaren?

The month with the most sunshine in Sewaren is July, with an average of 10.6h of sunshine.

How long on average sun shines in July in Sewaren?

The average sunshine in July in Sewaren is 10.6h.

When is the highest UV index in Sewaren?

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

What is the UV index reading in July in Sewaren?

In July, the average daily maximum UV index in Sewaren is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in July
Sewaren, NJ

Average temperature in July - Sewaren, NJ
  • Average high temperature in July: 82.8°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 July: 69.4°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 July
Sewaren, NJ

Average pressure in July - Sewaren, NJ
  • Average pressure in July: 29.96"

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 July
Sewaren, NJ

Average wind speed in July - Sewaren, NJ
  • Average wind speed in July: 6.6mph

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 July
Sewaren, NJ

Average humidity in July - Sewaren, NJ
  • Average humidity in July: 74%

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 July
Sewaren, NJ

Average rainfall in July - Sewaren, NJ
  • Average rainfall in July: 3.31"

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 July
Sewaren, NJ

Average rainfall days in July - Sewaren, NJ
  • Average rainfall days in July: 16.2 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 July
Sewaren, NJ

Average snowfall in July - Sewaren, NJ
  • Average snowfall in July: 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 July
Sewaren, NJ

Average snowfall days in July - Sewaren, NJ
  • Average snowfall days in July: 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 July
Sewaren, NJ

Average sea temperature in July - Sewaren, NJ
  • Average sea temperature in July: 72.1°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 July /
Average sunshine in July
Sewaren, NJ

Average daylight in July / Average sunshine in July - Sewaren, NJ
  • Average daylight in July: 14.7h

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 July: 10.6h

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 July
Sewaren, NJ

Average sunshine days in July - Sewaren, NJ
  • Average sunshine days in July: 12.6 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 July
Sewaren, NJ

Average UV index in July - Sewaren, NJ
  • Average UV index in July: 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 July
Sewaren, NJ

Average cloud cover in July - Sewaren, NJ
  • Average cloud cover in July: 30

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 July
Sewaren, NJ

Average visibility in July - Sewaren, NJ
  • Average visibility in July: 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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