December weather forecast
Belleville, NY

Weather in December

The first month of the winter, December, is also a wintry month in Belleville, New York, with temperature in the range of an average low of 24.4°F (-4.2°C) and an average high of 32.9°F (0.5°C).

Temperature

In Belleville, the average high-temperature in December drops from a frosty 43.7°F (6.5°C) in November to a cold 32.9°F (0.5°C). In Belleville, in December, the average low-temperature is 24.4°F (-4.2°C).

Humidity

In Belleville, the average relative humidity in December is 84%.

Rainfall

In December, in Belleville, New York, the rain falls for 10.2 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 158.6 rainfall days, and 30.39" (772mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Belleville. The month with the most snowfall is December, when snow falls for 16.4 days and typically aggregates up to 9.21" (234mm) of snow.

Daylight

With an average of 8h and 59min of daylight, December has the shortest days of the year in Belleville.
On the first day of December, sunrise is at 7:18 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:36 pm EST.

Sunshine

In December, the average sunshine is 2.9h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Belleville. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Belleville?

In December, in Belleville, New York, the average high-temperature is 32.9°F (0.5°C), and the average low-temperature is 24.4°F (-4.2°C).

What is the average humidity in December in Belleville?

In December, the average relative humidity is 84%.

How many days does it rain in December in Belleville?

In Belleville, during December, the rain falls for 10.2 days and regularly aggregates up to 2.91" (74mm) of precipitation.

What is the snowiest month in Belleville?

December is the month with the most snowfall. Snow falls for 16.4 days and accumulates 9.21" (234mm) of snow.

How much does it snow in Belleville in December?

In Belleville, New York, in December, snow falls for 16.4 days, with typically accumulated 9.21" (234mm) of snow.

What is the month with the shortest days in Belleville?

With an average of 8h and 59min of daylight, December has the shortest days of the year in Belleville.

How many hours of daylight does Belleville have in December?

In December, the average day length is 8h and 59min.

When is the sunrise / sunset in December in Belleville?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 4:28 pm. On the last day of the month, in Belleville, New York, sunrise is at 7:38 am and sunset at 4:36 pm EST.

How long on average sun shines in December in Belleville?

In December, the average sunshine duration in Belleville, New York, is 2.9h.

When is the lowest UV index in Belleville?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Belleville, New York.

What is the UV index reading in December in Belleville?

The average daily maximum UV index in December in Belleville is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Belleville, NY

Average temperature in December - Belleville, NY
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in December
Belleville, NY

Average pressure in December - Belleville, NY
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Belleville, NY

Average wind speed in December - Belleville, NY
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in December
Belleville, NY

Average humidity in December - Belleville, NY
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).

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Average rainfall in December
Belleville, NY

Average rainfall in December - Belleville, NY
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Belleville, NY

Average rainfall days in December - Belleville, NY
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is October (17.4 days).
The months with the least rainy days are January and February (7 days).

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Average snowfall in December
Belleville, NY

Average snowfall in December - Belleville, NY
  • Average snowfall in December: 9.21"

The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Belleville, NY

Average snowfall days in December - Belleville, NY
  • Average snowfall days in December: 16.4 days

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Belleville, NY

Average daylight in December / Average sunshine in December - Belleville, NY
  • Average daylight in December: 8h and 59min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 59min).

  • Average sunshine in December: 2h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

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Average sunshine days in December
Belleville, NY

Average sunshine days in December - Belleville, NY
  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is September (15 days).
The months with the least sunshine days are January and February (7.3 days).

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Average UV index in December
Belleville, NY

Average UV index in December - Belleville, NY
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Belleville, NY

Average cloud cover in December - Belleville, NY
  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Belleville, NY

Average visibility in December - Belleville, NY
  • Average visibility in December: 5mi

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

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