Climate and monthly weather forecast
Dunellen, NJ

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Weather in January

January, the same as December, is an icy winter month in Dunellen, New Jersey, with an average temperature ranging between min 23.2°F (-4.9°C) and max 35.6°F (2°C). January, with its average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C), holds the record as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Dunellen, is also an icy month, with an average temperature ranging between max 39°F (3.9°C) and min 25.2°F (-3.8°C). Dunellen notes an average high-temperature of a still icy 39°F (3.9°C) in February, hardly diverging from January. Weather in February »

Weather in March

March, the first month of the spring in Dunellen, is a chilly month, with an average temperature fluctuating between 47.1°F (8.4°C) and 32.5°F (0.3°C). The start of March brings a subtle shift in the average high-temperature, edging up from February's icy 39°F (3.9°C) to a frosty 47.1°F (8.4°C). Weather in March »

Weather in April

April in Dunellen, New Jersey, is a refreshing spring month, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 59.5°F (15.3°C). With the beginning of April, Dunellen's average high-temperature sees an increase, transitioning from a frosty 47.1°F (8.4°C) in March to a refreshing 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Dunellen, New Jersey, with an average temperature ranging between min 52.5°F (11.4°C) and max 70.2°F (21.2°C). The arrival of May signals an increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) in April to a pleasant 70.2°F (21.2°C). Weather in May »

Weather in June

June, the first month of the summer in Dunellen, is a moderately hot month, with an average temperature ranging between max 78.1°F (25.6°C) and min 60.4°F (15.8°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from an agreeable 70.2°F (21.2°C) to a moderately hot 78.1°F (25.6°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Dunellen, New Jersey, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 84.4°F (29.1°C). The warmest period is July, when temperatures fluctuate between an average high of 84.4°F (29.1°C) and a low of 66.6°F (19.2°C). July's average heat index is calculated to be a tropical 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Dunellen, is also a moderately hot month, with an average temperature varying between 65.3°F (18.5°C) and 82.6°F (28.1°C). As Dunellen steps into August, the average high-temperature is measured at a still warm 82.6°F (28.1°C), displaying minor differences from July's 84.4°F (29.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Dunellen, New Jersey, with an average temperature varying between 58.5°F (14.7°C) and 75.4°F (24.1°C). September implies a soft temperature shift, with average high-temperatures reducing from August's 82.6°F (28.1°C) to a still moderately hot 75.4°F (24.1°C). Weather in September »

Weather in October

October, like September, in Dunellen, New Jersey, is another enjoyable autumn month, with an average temperature ranging between min 48.6°F (9.2°C) and max 63°F (17.2°C). October brings a minor decrease, with the average high-temperature reducing from a warm 75.4°F (24.1°C) in September to a comfortable 63°F (17.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Dunellen, New Jersey, with an average temperature varying between 37.4°F (3°C) and 50.9°F (10.5°C). The transition into November indicates a reduction in the average high-temperature, down to a cool 50.9°F (10.5°C) from October's enjoyable 63°F (17.2°C). Weather in November »

Weather in December

December, the first month of the winter in Dunellen, is also a wintry month, with an average temperature fluctuating between 41.9°F (5.5°C) and 30.7°F (-0.7°C). Observing a mild shift, the average high-temperature during December reduces from November's fresh 50.9°F (10.5°C) to a wintry 41.9°F (5.5°C). Weather in December »
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Frequently asked questions

What are the coldest months in Dunellen?

January, recording an average high temperature of 35.6°F (2°C) and a low temperature of 23.2°F (-4.9°C), is Dunellen's coldest month.

How many days does it rain in Dunellen?

Throughout the year, there are 155.4 rainfall days, and 31.18" (792mm) of precipitation is accumulated.

When does it snow in Dunellen?

January through May, October through December are months with snowfall in Dunellen.

How many days does it snow in Dunellen?

Throughout the year, there are 26.7 snowfall days, and 12.68" (322mm) of snow is accumulated.

What is the month with the lowest UV index in Dunellen?

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

What is the most humid month in Dunellen?

The most humid month is February, with an average relative humidity of 79%.

What is the month with the least sunshine in Dunellen?

With an average of 4.6h of sunshine, February has the least sunshine of the year in Dunellen.

When does it snow the most in Dunellen?

The month with the most snowfall is March, when snow falls for 5.6 days and typically aggregates up to 4.06" (103mm) of snow.

When is Daylight Saving Time (DST) in Dunellen?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dunellen, New Jersey, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Dunellen?

April and August, with an average relative humidity of 73%, are the least humid months in Dunellen, New Jersey.

When it does not snow in Dunellen?

In Dunellen, New Jersey, snow does not fall in June through September.

When are the longest days in Dunellen?

June has the longest days of the year, with an average of 15h and 0min of daylight.

When is the highest UV index in Dunellen?

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

What time of the year is the hottest in Dunellen?

Dunellen's July weather reaches an average high of 84.4°F (29.1°C) and an average low of 66.6°F (19.2°C), making it the warmest month.

What month has the most sunshine in Dunellen?

The month with the most sunshine in Dunellen is July, with an average of 10.3h of sunshine.

What is the driest month in Dunellen?

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.57" (40mm) of precipitation.

What is the rainiest month in Dunellen?

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.31" (84mm) of precipitation.

What is the month with the shortest days in Dunellen?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

Average temperature
Dunellen, NJ

Average temperature - Dunellen, NJ

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.6°F).

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure
Dunellen, NJ

Average pressure - Dunellen, 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
Dunellen, NJ

Average wind speed - Dunellen, NJ

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity
Dunellen, NJ

Average humidity - Dunellen, NJ

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall
Dunellen, NJ

Average rainfall - Dunellen, NJ

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days
Dunellen, NJ

Average rainfall days - Dunellen, NJ

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall
Dunellen, NJ

Average snowfall - Dunellen, NJ

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Dunellen, NJ

Average snowfall days - Dunellen, NJ

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Dunellen, NJ

Average daylight / Average sunshine - Dunellen, NJ

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).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Dunellen, NJ

Average sunshine days - Dunellen, NJ

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index
Dunellen, NJ

Average UV index - Dunellen, NJ

The months with the highest UV index are 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
Dunellen, NJ

Average visibility - Dunellen, NJ

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

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Dunellen, New Jersey, USA

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