Monthly weather forecast and climate
New Brunswick, NJ

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 January

January, the same as December, is another cold winter month in New Brunswick, New Jersey, with average temperature varying between 36.7°F (2.6°C) and 24.6°F (-4.1°C). The coldest month is January, with an average high-temperature of 36.7°F (2.6°C) and an average low-temperature of 24.6°F (-4.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in New Brunswick, New Jersey, with average temperature fluctuating between 26.4°F (-3.1°C) and 39.9°F (4.4°C). In February, the average high-temperature is essentially the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

Weather in March

March, the first month of the spring, in New Brunswick, is a chilly month, with average temperature fluctuating between 33.8°F (1°C) and 47.8°F (8.8°C). In New Brunswick, New Jersey, the average high-temperature slightly increases, from a cold 39.9°F (4.4°C) in February, to a frosty 47.8°F (8.8°C). Weather in March »

Weather in April

April is a moderate spring month in New Brunswick, New Jersey, with average temperature ranging between min 43.3°F (6.3°C) and max 59.5°F (15.3°C). In April, the average high-temperature rises, from a chilly 47.8°F (8.8°C) in March, to a mild 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in New Brunswick, New Jersey, with average temperature fluctuating between 69.6°F (20.9°C) and 53.2°F (11.8°C). In New Brunswick, the average high-temperature increases, from a moderate 59.5°F (15.3°C) in April, to an agreeable 69.6°F (20.9°C). Weather in May »

Weather in June

June, the first month of the summer, in New Brunswick, is a moderately hot month, with average temperature fluctuating between 61.9°F (16.6°C) and 78.3°F (25.7°C). In June, the average high-temperature slightly increases, from a pleasant 69.6°F (20.9°C) in May, to a moderately hot 78.3°F (25.7°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in New Brunswick, New Jersey, with average temperature fluctuating between 84.6°F (29.2°C) and 68.2°F (20.1°C). With an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 68.2°F (20.1°C), July is the warmest month. The average heat index in July is appraised at a hot 92.8°F (33.8°C). Weather in July »

Weather in August

August, the last month of the summer, in New Brunswick, is another warm month, with average temperature fluctuating between 67.1°F (19.5°C) and 82.6°F (28.1°C). In New Brunswick, the average high-temperature is essentially the same as in July - a still moderately hot 82.6°F (28.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in New Brunswick, is also a moderately hot month, with average temperature fluctuating between 59.9°F (15.5°C) and 75.9°F (24.4°C). In September, the average high-temperature slightly decreases, from 82.6°F (28.1°C) in August, to a still warm 75.9°F (24.4°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in New Brunswick, New Jersey, with average temperature ranging between min 49.6°F (9.8°C) and max 63.5°F (17.5°C). In New Brunswick, the average high-temperature drops, from a warm 75.9°F (24.4°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in New Brunswick, New Jersey, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 38.3°F (3.5°C). In November, the average high-temperature decreases, from an enjoyable 63.5°F (17.5°C) in October, to a cool 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter, in New Brunswick, is still a chilly month, with average temperature ranging between min 31.8°F (-0.1°C) and max 43°F (6.1°C). In December, the average high-temperature decreases, from a fresh 52°F (11.1°C) in November, to a chilly 43°F (6.1°C). Weather in December »
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FAQ

What is the coldest month in New Brunswick?

With an average high-temperature of 36.7°F (2.6°C) and an average low-temperature of 24.6°F (-4.1°C), January is the coldest month.

How many days does it rain in New Brunswick?

In New Brunswick, during the entire year, the rain falls for 149.4 days and collects up to 28.43" (722mm) of precipitation.

When does it snow in New Brunswick?

Months with snowfall are January through May, November and December.

How many days does it snow in New Brunswick?

In New Brunswick, New Jersey, during the entire year, snow falls for 18.3 days, and aggregates up to 8.46" (215mm) of snow.

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

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What are the most humid months in New Brunswick?

Months with the highest humidity are February, October and December, with an average relative humidity of 77%.

What is the month with the least sunshine in New Brunswick?

February has the least sunshine of the year in New Brunswick, New Jersey, with an average of 4.6h of sunshine.

When does it snow the most in New Brunswick?

March is the month with the most snowfall in New Brunswick, New Jersey. Snow falls for 3.9 days and accumulates 3.5" (89mm) of snow.

What are the least humid months in New Brunswick?

April and August, with an average relative humidity of 72%, are the least humid months in New Brunswick, New Jersey.

When is the highest UV index in New Brunswick?

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

When it does not snow in New Brunswick?

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

When are the longest days in New Brunswick?

The month with the longest days is June, with an average of 15h of daylight.

What is the warmest month in New Brunswick?

The warmest month in New Brunswick, New Jersey, is July, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 68.2°F (20.1°C).

What is the rainiest month in New Brunswick?

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

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.

What is the driest month in New Brunswick?

September is the month with the least rainfall in New Brunswick, New Jersey. Rain falls for 12.6 days and accumulates 1.61" (41mm) of precipitation.

What is the month with the shortest days in New Brunswick?

The month with the shortest days is December, with an average of 9.3h of daylight.

Average temperature
New Brunswick, NJ

Average temperature - New Brunswick, NJ

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).

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
New Brunswick, NJ

Average pressure - New Brunswick, NJ

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
New Brunswick, NJ

Average wind speed - New Brunswick, NJ

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
New Brunswick, NJ

Average humidity - New Brunswick, NJ

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

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Average rainfall
New Brunswick, NJ

Average rainfall - New Brunswick, NJ

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
New Brunswick, NJ

Average rainfall days - New Brunswick, NJ

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
New Brunswick, NJ

Average snowfall - New Brunswick, NJ

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

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Average snowfall days
New Brunswick, NJ

Average snowfall days - New Brunswick, NJ

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

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Average daylight / Average sunshine
New Brunswick, NJ

Average daylight / Average sunshine - New Brunswick, NJ

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
New Brunswick, NJ

Average sunshine days - New Brunswick, NJ

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
New Brunswick, NJ

Average UV index - New Brunswick, NJ

Months with the highest UV index are May, 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 visibility
New Brunswick, NJ

Average visibility - New Brunswick, NJ

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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