Monthly weather forecast and climate
Belleville, NJ

Weather in January

January, the same as December, is another cold winter month in Belleville, New Jersey, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 36°F (2.2°C). With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 25°F (-3.9°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Belleville, New Jersey, with average temperature varying between 26.6°F (-3°C) and 39.2°F (4°C). In Belleville, New Jersey, the average high-temperature in February is almost the same as in January - a still wintry 39.2°F (4°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Belleville, New Jersey, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 33.6°F (0.9°C). In Belleville, the average high-temperature marginally rises, from a wintry 39.2°F (4°C) in February, to a frosty 46.8°F (8.2°C). Weather in March »

Weather in April

April is a moderate spring month in Belleville, New Jersey, with average temperature varying between 43.5°F (6.4°C) and 57.9°F (14.4°C). In Belleville, the average high-temperature increases, from a chilly 46.8°F (8.2°C) in March, to a mild 57.9°F (14.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Belleville, New Jersey, with average temperature varying between 68.5°F (20.3°C) and 53.1°F (11.7°C). In May, the average high-temperature increases, from a moderate 57.9°F (14.4°C) in April, to a pleasant 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Belleville, is a warm month, with average temperature ranging between max 76.8°F (24.9°C) and min 61.9°F (16.6°C). In June, the average high-temperature slightly increases, from an agreeable 68.5°F (20.3°C) in May, to a moderately hot 76.8°F (24.9°C). Weather in June »

Weather in July

July, like June, in Belleville, New Jersey, is a moderately hot summer month, with average temperature varying between 83.7°F (28.7°C) and 68.5°F (20.3°C). With an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 68.5°F (20.3°C), July is the warmest month. In July, the average heat index is appraised at a tropical 90.3°F (32.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Belleville, New Jersey, with average temperature fluctuating between 67.6°F (19.8°C) and 82°F (27.8°C). In Belleville, the average high-temperature is relatively the same as in July - a still moderately hot 82°F (27.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Belleville, New Jersey, with average temperature varying between 75°F (23.9°C) and 60.8°F (16°C). In Belleville, the average high-temperature marginally drops, from a moderately hot 82°F (27.8°C) in August, to a still warm 75°F (23.9°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Belleville, New Jersey, with average temperature ranging between max 63.1°F (17.3°C) and min 50.5°F (10.3°C). In October, the average high-temperature decreases, from a warm 75°F (23.9°C) in September, to an enjoyable 63.1°F (17.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Belleville, is also a fresh month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 50.9°F (10.5°C). In November, the average high-temperature decreases, from a comfortable 63.1°F (17.3°C) in October, to a fresh 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Belleville, New Jersey, with average temperature fluctuating between 41.9°F (5.5°C) and 32.7°F (0.4°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 »
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FAQ

What is the coldest month in Belleville?

With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 25°F (-3.9°C), January is the coldest month.

How much does it rain in Belleville?

In Belleville, New Jersey, during the entire year, the rain falls for 162.3 days and collects up to 31.14" (791mm) of precipitation.

When does it snow in Belleville?

Months with snowfall in Belleville, New Jersey, are January through April, November and December.

How much does it snow in Belleville?

Throughout the year, in Belleville, there are 22.7 snowfall days, and 8.9" (226mm) of snow is accumulated.

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

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

What are the most humid months in Belleville?

Months with the highest humidity in Belleville, New Jersey, are February and December, with an average relative humidity of 77%.

What is the month with the least sunshine in Belleville?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

When does it snow the most in Belleville?

March is the month with the most snowfall in Belleville, New Jersey. Snow falls for 4.8 days and accumulates 2.72" (69mm) of snow.

When it does not snow in Belleville?

May through October are months without snowfall in Belleville, New Jersey.

When are the longest days in Belleville?

With an average of 15.1h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Belleville?

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

What is the warmest month in Belleville?

The warmest month in Belleville, New Jersey, is July, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 68.5°F (20.3°C).

What month has the most sunshine in Belleville?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Belleville.

What is the least humid month in Belleville?

The least humid month in Belleville is August, with an average relative humidity of 71%.

What is the driest month in Belleville?

September is the month with the least rainfall in Belleville, New Jersey. Rain falls for 13 days and accumulates 1.89" (48mm) of precipitation.

What is the wettest month in Belleville?

The month with the most rainfall is December when the rain falls for 12.2 days and typically aggregates up to 3.23" (82mm) of precipitation.

What is the month with the shortest days in Belleville?

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

Average pressure
Belleville, NJ

Average pressure - Belleville, 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
Belleville, NJ

Average wind speed - Belleville, NJ

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity
Belleville, NJ

Average humidity - Belleville, NJ

Months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

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Average rainfall
Belleville, NJ

Average rainfall - Belleville, NJ

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days
Belleville, NJ

Average rainfall days - Belleville, NJ

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall
Belleville, NJ

Average snowfall - Belleville, NJ

The month with the highest snowfall is March (2.72").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Belleville, NJ

Average snowfall days - Belleville, NJ

The month with the highest number of snowfall days is January (6.9 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Belleville, NJ

Average daylight / Average sunshine - Belleville, NJ

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days
Belleville, NJ

Average sunshine days - Belleville, NJ

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index
Belleville, NJ

Average UV index - Belleville, NJ

Months with the highest UV index are 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
Belleville, NJ

Average visibility - Belleville, NJ

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

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