Monthly weather forecast and climate
Dunellen, NJ

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

February, the last month of the winter, in Dunellen, is another cold month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 39°F (3.9°C). In February, the average high-temperature is relatively the same as in January - a still cold 39°F (3.9°C). Weather in February »

March, the first month of the spring, in Dunellen, is a chilly month, with average temperature varying between 47.1°F (8.4°C) and 32.5°F (0.3°C). In Dunellen, New Jersey, the average high-temperature slightly increases, from a cold 39°F (3.9°C) in February, to a chilly 47.1°F (8.4°C). Weather in March »

April in Dunellen, New Jersey, is a moderate spring month, with average temperature ranging between min 42.8°F (6°C) and max 59.5°F (15.3°C). In Dunellen, the average high-temperature rises, from a chilly 47.1°F (8.4°C) in March, to a mild 59.5°F (15.3°C). Weather in April »

The last month of the spring, May, is a pleasant month in Dunellen, New Jersey, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 70.2°F (21.2°C). In Dunellen, New Jersey, the average high-temperature in May rises, from a mild 59.5°F (15.3°C) in April, to a pleasant 70.2°F (21.2°C). Weather in May »

June, the first month of the summer, in Dunellen, is a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 60.4°F (15.8°C). In Dunellen, the average high-temperature slightly increases, from an agreeable 70.2°F (21.2°C) in May, to a moderately hot 78.1°F (25.6°C). Weather in June »

July, like June, in Dunellen, New Jersey, is another warm summer month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 66.6°F (19.2°C). The warmest month is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 66.6°F (19.2°C). The average heat index in July is evaluated at a tropical 92.7°F (33.7°C). Weather in July »

The last month of the summer, August, is another warm month in Dunellen, New Jersey, with average temperature fluctuating between 65.3°F (18.5°C) and 82.6°F (28.1°C). In August, the average high-temperature is practically the same as in July - a still warm 82.6°F (28.1°C). Weather in August »

September, the first month of the autumn, in Dunellen, is still a warm month, with average temperature varying between 58.5°F (14.7°C) and 75.4°F (24.1°C). In September, the average high-temperature marginally drops, from 82.6°F (28.1°C) in August, to a still moderately hot 75.4°F (24.1°C). Weather in September »

October, like September, in Dunellen, New Jersey, is another comfortable autumn month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 48.6°F (9.2°C). In Dunellen, the average high-temperature decreases, from a warm 75.4°F (24.1°C) in September, to a comfortable 63°F (17.2°C). Weather in October »

November, the last month of the autumn, in Dunellen, is another cool month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 50.9°F (10.5°C). In Dunellen, New Jersey, the average high-temperature in November drops, from a comfortable 63°F (17.2°C) in October, to a fresh 50.9°F (10.5°C). Weather in November »

December, the first month of the winter, in Dunellen, is still a cold month, with average temperature ranging between min 30.7°F (-0.7°C) and max 41.9°F (5.5°C). In December, the average high-temperature drops, from a cool 50.9°F (10.5°C) in November, to a cold 41.9°F (5.5°C). Weather in December »

What is the coldest month in Dunellen?

The coldest month in Dunellen is January, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C).

How many days does it rain in Dunellen?

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

When does it snow in Dunellen?

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

How much does it snow in Dunellen?

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

When is the lowest UV index in Dunellen?

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

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?

February has the least sunshine of the year, with an average of 4.6h of sunshine.

When does it snow the most in Dunellen?

March is the month with the most snowfall in Dunellen. Snow falls for 5.6 days and accumulates 4.06" (103mm) of snow.

What are the least humid months in Dunellen?

Months with the lowest humidity are April and August, with an average relative humidity of 73%.

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?

With an average of 15h of daylight, June has the longest days of the year in Dunellen.

When is the highest UV index in Dunellen?

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

What is the warmest month in Dunellen?

July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 66.6°F (19.2°C).

What month has the most sunshine in Dunellen?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the driest month in Dunellen?

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

What is the wettest month in Dunellen?

The month with the most rainfall in Dunellen is December when the rain falls for 10.5 days and typically aggregates up to 3.31" (84mm) of precipitation.

What is the month with the shortest days in Dunellen?

December has the shortest days of the year, with an average of 9.3h of daylight.
Average temperature - Dunellen, NJ
Average pressure - Dunellen, NJ

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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).

Average humidity - 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").

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).

Average snowfall - Dunellen, NJ
Average snowfall days - Dunellen, NJ

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

Average daylight / Average sunshine - Dunellen, 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: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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).

Average UV index - Dunellen, NJ
Average visibility - Dunellen, NJ

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