July weather forecast
New Brunswick, NJ

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An aerial panorama of the city of Brunswick, New Jersey, seen with its deep tree cover, a large river, and bridges over the river
An aerial panorama of the city of Brunswick, New Jersey, seen with its deep tree cover, a large river, and bridges over the river

Weather in July

New Brunswick residents experience the peak of summer heat in July. The hot weather gets more persistent, complemented by clear skies and a high ultraviolet index. While it’s the month with the least percentage of clouds, the humidity remains high making afternoons potentially uncomfortable. Both rainfall and wind velocity take a dip, as calm and sultry conditions prevail throughout. July, however, stands out with the highest temperature range in New Brunswick from 68.2°F (20.1°C) to a soaring 84.6°F (29.2°C) and rainfall exceeding 3.27" (83mm) making midsummer both sizzling and damp.

Temperature

New Brunswick, New Jersey, records the warmest temperatures in July, averaging a high of 84.6°F (29.2°C) and a low of 68.2°F (20.1°C).

Heat index

July's mean heat index is evaluated at a tropical 93.2°F (34°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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 July, the average relative humidity is 73%.

Rainfall

The month with the most rainfall is July, when the rain falls for 16.6 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

In New Brunswick, snow does not fall in June through October.

Daylight

In July, the average length of the day is 14h and 44min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of July, sunrise is at 5:54 am and sunset at 8:13 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What is the warmest month in New Brunswick?

New Brunswick's July weather, marked by an average high temperature of 84.6°F (29.2°C) and an average low temperature of 68.2°F (20.1°C), is the warmest in the year.

How hot does it get in New Brunswick in July?

An average high-temperature, in July, in New Brunswick, is 84.6°F (29.2°C) and the average low-temperature is 68.2°F (20.1°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in July in New Brunswick?

In July, the average relative humidity in New Brunswick, New Jersey, is 73%.

What is the wettest month in New Brunswick?

July is the month with the most rainfall. Rain falls for 16.6 days and accumulates 3.27" (83mm) of precipitation.

How much does it rain in New Brunswick in July?

In New Brunswick, in July, during 16.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When it does not snow in New Brunswick?

June through October are months without snowfall in New Brunswick.

How many hours of daylight does New Brunswick have in July?

In July, the average day length in New Brunswick, New Jersey, is 14h and 44min.

What time are sunrise and sunset in July in New Brunswick?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:13 pm EDT.

What month has the most sunshine in New Brunswick?

July has the most sunshine of the year in New Brunswick, with an average of 10.4h of sunshine.

How many hours of sunshine does New Brunswick have in July?

In July, the average sunshine duration in New Brunswick is 10.4h.

What is the month with the highest UV index in New Brunswick?

The months with the highest UV index in New Brunswick are May through August, with an average maximum UV index of 6.

What is the UV index reading in July in New Brunswick?

In July, the average daily maximum UV index in New Brunswick, New Jersey, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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
New Brunswick, NJ

Average temperature in July - New Brunswick, NJ
  • Average high temperature in July: 84.6°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in July: 68.2°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in July
New Brunswick, NJ

Average pressure in July - New Brunswick, 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).

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Average wind speed in July
New Brunswick, NJ

Average wind speed in July - New Brunswick, NJ
  • Average wind speed in July: 5.9mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in July
New Brunswick, NJ

Average humidity in July - New Brunswick, NJ
  • Average humidity in July: 73%

The months with the highest relative humidity are February, October and December (77%).
The months with the lowest relative humidity are April and August (72%).

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Average rainfall in July
New Brunswick, NJ

Average rainfall in July - New Brunswick, NJ
  • Average rainfall in July: 3.27"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in July
New Brunswick, NJ

Average rainfall days in July - New Brunswick, NJ
  • Average rainfall days in July: 16.6 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in July
New Brunswick, NJ

Average snowfall in July - New Brunswick, NJ
  • Average snowfall in July: 0"

The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
New Brunswick, NJ

Average snowfall days in July - New Brunswick, NJ
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
New Brunswick, NJ

Average daylight in July / Average sunshine in July - New Brunswick, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in July
New Brunswick, NJ

Average sunshine days in July - New Brunswick, NJ
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in July
New Brunswick, NJ

Average UV index in July - New Brunswick, NJ
  • Average UV index in July: 6

The months with the highest UV index are May, 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 July
New Brunswick, NJ

Average cloud cover in July - New Brunswick, NJ
  • Average cloud cover in July: 33

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in July
New Brunswick, NJ

Average visibility in July - New Brunswick, NJ
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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New Brunswick, New Jersey, USA

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