July weather forecast and climate
Newark, NJ

A mirrored reflection of Newark City in New Jersey, on the Passaic River
A mirrored reflection of Newark City in New Jersey, on the Passaic River
July, like June, in Newark, New Jersey, is another warm summer month, with average temperature ranging between max 83.1°F (28.4°C) and min 68.9°F (20.5°C).

Temperature

July is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 68.9°F (20.5°C).

Heat index

The average heat index is calculated to a hot 89.4°F (31.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the 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 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like metabolic differences, pregnancy, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 average relative humidity in July is 73%.

Rainfall

Months with the most rainfall in Newark are July and December, with an average 3.19" (81mm) of precipitation.

Snowfall

In Newark snow does not fall in May through October.

Ocean temperature

In July, the average ocean temperature in Newark, New Jersey, is 72.1°F (22.3°C).
Note: 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. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Newark, the average length of the day in July 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 in Newark. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the warmest month in Newark?

The warmest month is July, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 68.9°F (20.5°C).

What is the temperature in July in Newark?

In July, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 68.9°F (20.5°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, is evaluated at 89.4°F (31.9°C).

What is the average humidity in July in Newark?

The average relative humidity in July in Newark, New Jersey, is 73%.

How many days does it rain in July in Newark?

In Newark, during July, the rain falls for 17.1 days and regularly aggregates up to 3.19" (81mm) of precipitation.

What is the wettest month in Newark?

Months with the most rainfall are July and December, with an average 3.19" (81mm) of precipitation.

When it does not snow in Newark?

May through October are months without snowfall in Newark.

What is the water temperature in July in Newark?

In Newark, in July, the average water temperature is 72.1°F (22.3°C). 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 72.1°F (22.3°C).

How many hours of daylight does Newark have in July?

In July, the average length of the day in Newark is 14.7h.

What month has the most sunshine in Newark?

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

How many hours of sunshine does Newark have in July?

In July, the average sunshine in Newark is 10.6h.

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

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

What is the UV index reading in July in Newark?

In Newark, New Jersey, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in July - Newark, NJ
  • Average high temperature in July: 83.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in July: 68.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in July - Newark, 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").

Average wind speed in July - Newark, NJ
  • Average wind speed in July: 6.3mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in July - Newark, NJ
  • Average humidity in July: 73%

Months with the highest relative humidity are February, May, October and December (76%).
Months with the lowest relative humidity are April and August (72%).

Average rainfall in July - Newark, NJ
  • Average rainfall in July: 3.19"

The wettest months (with the highest rainfall) are July and December (3.19").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in July - Newark, NJ
  • Average rainfall days in July: 17.1 days

Months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in July - Newark, NJ
  • Average snowfall in July: 0"

The month with the highest snowfall is March (3.46").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July - Newark, NJ
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July - Newark, 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 - Newark, NJ
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15.1h).
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: 4.8h).

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

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in July - Newark, 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).

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

Months with the most cloud cover are February, March and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in July - Newark, 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).