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 to a soaring 84.6°F and rainfall exceeding 3.27" making midsummer both sizzling and damp.

Temperature

The month of July sees the highest average temperatures in New Brunswick, reaching 84.6°F at the peak and 68.2°F at the low.

Heat index

For most parts of July, the heat index is evaluated at a tropical 93.2°F. More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. 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' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In July, the average relative humidity is 73%.

Rainfall

The month with the most rainfall in New Brunswick is July, when the rain falls for 16.6 days and typically aggregates up to 3.27" 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 July in New Brunswick, New Jersey, 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 8:14 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 in New Brunswick, New Jersey, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 6 during July morphs into the following directions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What month is the hottest in New Brunswick?

In New Brunswick, temperatures reach their average annual highs in July, measuring 84.6°F and a minimum average of 68.2°F.

How hot does it get in New Brunswick in July?

In July, in New Brunswick, the average high-temperature is 84.6°F, and the average low-temperature is 68.2°F. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 93.2°F.

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?

The month with the most rainfall in New Brunswick is July, when the rain falls for 16.6 days and typically aggregates up to 3.27" of precipitation.

How many days does it rain in July in New Brunswick?

In New Brunswick, during July, the rain falls for 16.6 days and regularly aggregates up to 3.27" of precipitation.

When it does not snow in New Brunswick?

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

What is the average length of the day in July in New Brunswick?

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?

On the first day of July in New Brunswick, 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 8:14 pm EDT.

What month has the most sunshine in New Brunswick?

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

How long on average sun shines in July in New Brunswick?

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

When is the highest UV index in New Brunswick?

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

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

The average daily maximum UV index in July in New Brunswick, New Jersey, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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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