Climate and monthly weather forecast
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, like December, in New Brunswick, New Jersey, is another cold winter month, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 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 an average temperature ranging between min 26.4°F (-3.1°C) and max 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

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

Weather in April

April in New Brunswick, New Jersey, is a moderate spring month, with an 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 increases 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

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

Weather in June

The first month of the summer, June, is a warm month in New Brunswick, New Jersey, with an average temperature ranging between min 61.9°F (16.6°C) and max 78.3°F (25.7°C). In New Brunswick, the average high-temperature in June slightly increases from an agreeable 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, like June, in New Brunswick, New Jersey, is a moderately hot summer month, with an average temperature varying between 84.6°F (29.2°C) and 68.2°F (20.1°C). July is the warmest month, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 68.2°F (20.1°C). In July, the average heat index is calculated to be a tropical 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 an average temperature ranging between max 82.6°F (28.1°C) and min 67.1°F (19.5°C). In August, the average high-temperature is relatively 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 still a warm month, with an average temperature ranging between min 59.9°F (15.5°C) and max 75.9°F (24.4°C). In September, the average high-temperature marginally drops from a moderately hot 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 enjoyable autumn month in New Brunswick, New Jersey, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 49.6°F (9.8°C). In October, 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 also a fresh month in New Brunswick, New Jersey, with an average temperature fluctuating between 38.3°F (3.5°C) and 52°F (11.1°C). In November, the average high-temperature drops from a comfortable 63.5°F (17.5°C) in October to a cool 52°F (11.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in New Brunswick, New Jersey, with an average temperature varying between 43°F (6.1°C) and 31.8°F (-0.1°C). In New Brunswick, the average high-temperature in December drops from a fresh 52°F (11.1°C) in November to a frosty 43°F (6.1°C). Weather in December »
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FAQ

What is the coldest month in New Brunswick?

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

How much does it rain in New Brunswick?

Throughout the year, in New Brunswick, there are 149.4 rainfall days, and 28.43" (722mm) of precipitation is accumulated.

When does it snow in New Brunswick?

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

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?

The months with the lowest UV index in New Brunswick are January through March, November and December, with an average maximum UV index of 2.

What are the most humid months in New Brunswick?

The months with the highest humidity in New Brunswick, New Jersey, are February, October and December, with an average relative humidity of 77%.

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

The month with the least sunshine in New Brunswick, New Jersey, is February, with an average of 4.6h of sunshine.

What is the snowiest month in New Brunswick?

The month with the most snowfall in New Brunswick, New Jersey, is March, when snow falls for 3.9 days and typically aggregates up to 3.5" (89mm) of snow.

When is Daylight Saving Time (DST) in New Brunswick?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in New Brunswick?

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

When is the highest UV index in New Brunswick?

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

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?

With an average of 15h and 1min of daylight, June has the longest days of the year in New Brunswick, New Jersey.

What is the warmest month in New Brunswick?

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 in New Brunswick.

What is the wettest month in New Brunswick?

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

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.

What is the driest month in New Brunswick?

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

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

With an average of 9h and 20min of daylight, December has the shortest days of the year in New Brunswick, New Jersey.

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"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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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

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
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").
The 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).
The 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 and 1min).
The month with the shortest days is December (Average daylight: 9h and 20min).

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
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

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 visibility
New Brunswick, NJ

Average visibility - New Brunswick, NJ

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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