December weather forecast
Belleville, NY

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Weather in December

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

Temperature

As December arrives, Belleville's weather displays a decrease in high-temperatures, transitioning from November's chilly 43.7°F (6.5°C) to a cold 32.9°F (0.5°C). Belleville, in December, registers a nighttime average temperature of 24.4°F (-4.2°C).

Humidity

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

Rainfall

In Belleville, in December, it is raining for 10.2 days, with typically 2.91" (74mm) of accumulated precipitation. In Belleville, during the entire year, the rain falls for 158.6 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

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

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:37 pm EST.

Sunshine

In December, the average sunshine in Belleville 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, New York. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 1 in December translates into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is it in Belleville in December?

The high-temperature, in December, in Belleville, is 32.9°F (0.5°C), while the low-temperature averages to 24.4°F (-4.2°C).

What is the average humidity in December in Belleville?

The average relative humidity in December in Belleville, New York, is 84%.

How much does it rain in Belleville in December?

In Belleville, New York, in December, during 10.2 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When does it snow the most 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.

How much does it snow in Belleville in December?

In Belleville, 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?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

How many hours of daylight does Belleville have in December?

The average day length in December in Belleville, New York, 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 7:19 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:37 pm EST.

How many hours of sunshine does Belleville have in December?

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?

In Belleville, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 2h and 5min

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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Belleville, New York, USA

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