July weather forecast
Sewaren, NJ

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Weather in July

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

Temperature

Temperature readings reach their annual highs in July, averaging 82.8°F (28.2°C) and a minimum average of 69.4°F (20.8°C).

Heat index

The heat index for July is estimated at a hot 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In Sewaren, the average relative humidity in July is 74%.

Rainfall

The wettest months in Sewaren, New Jersey, are July and December, with an average 3.31" (84mm) of rainfall.

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: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 72.1°F (22.3°C). (Olympic swimming regulations state a water temperature of 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in July in Sewaren is 14h and 44min.
On the first day of July in Sewaren, sunrise is at 5:30 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:12 pm EDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year in Sewaren.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 6 in July leads to these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Sewaren?

With average high and low temperatures of 82.8°F (28.2°C) and 69.4°F (20.8°C) respectively, July is Sewaren's warmest month.

How hot is July in Sewaren?

The average high-temperature and low-temperature in Sewaren, New Jersey, during July are 82.8°F (28.2°C) and 69.4°F (20.8°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 89.6°F (32°C).

What is the average humidity in July in Sewaren?

The average relative humidity in July in Sewaren is 74%.

What is the rainiest month in Sewaren?

The wettest months in Sewaren, New Jersey, are July and December, with an average 3.31" (84mm) of rainfall.

How much does it rain in Sewaren in July?

In Sewaren, New Jersey, in July, it is raining for 16.2 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow in Sewaren?

In Sewaren, New Jersey, snow does not fall in May through September.

What is the water temperature in July in Sewaren?

In July, the average ocean temperature in Sewaren is 72.1°F (22.3°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water.

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

The average day length in July is 14h and 44min.

When are sunrise and sunset in July in Sewaren?

In July, on the first day of the month, sunrise is at 5:30 am and sunset at 8:31 pm. On the last day of the month, in Sewaren, New Jersey, sunrise is at 5:53 am and sunset at 8:12 pm EDT.

What month has the most sunshine in Sewaren?

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

How long on average sun shines in July in Sewaren?

In Sewaren, the average sunshine duration in July is 10.6h.

When is the highest UV index in Sewaren?

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

What is the UV index intensity in July in Sewaren?

The average daily maximum UV index in July in Sewaren is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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 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).

Average pressure in July
Sewaren, NJ

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

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).

Average humidity in July
Sewaren, NJ

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

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

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").

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).

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

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).
The months with the least snowfall days are May, June, July, August and September (0 days).

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).

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

Average daylight in July / Average sunshine in July - Sewaren, NJ
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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).

Average UV index in July
Sewaren, NJ

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

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

The 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).

Average visibility in July
Sewaren, NJ

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

Sewaren, New Jersey, USA

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