December weather forecast
Bardonia, NY

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Weather in December

December, the first month of the winter in Bardonia, is still a cold month, with an average temperature varying between 29.3°F (-1.5°C) and 40.3°F (4.6°C).

Temperature

The transition into December indicates a reduction in the average high-temperature, down to a cold 40.3°F (4.6°C) from November's fresh 50.2°F (10.1°C). During the month of December, an average low-temperature of 29.3°F (-1.5°C) is recorded.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Bardonia, in December, it is raining for 9.5 days, with typically 2.6" (66mm) of accumulated precipitation. In Bardonia, during the entire year, the rain falls for 143.9 days and collects up to 25.59" (650mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Bardonia. In Bardonia, in December, snow falls for 3.2 days, with typically accumulated 2.09" (53mm) of snow. In Bardonia, during the entire year, snow falls for 22.9 days and aggregates up to 14.33" (364mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:37 pm EST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. 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. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Bardonia, 40.3°F (4.6°C) is the average high-temperature and 29.3°F (-1.5°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the average humidity in December?

In Bardonia, the average relative humidity in December is 78%.

How much does it rain in December?

In Bardonia, during December, the rain falls for 9.5 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How many days does it snow in December?

In Bardonia, in December, during 3.2 snowfall days, 2.09" (53mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days in Bardonia is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 16min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:37 pm EST.

How many hours of sunshine does Bardonia have in December?

The average sunshine duration in December is 4.9h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Bardonia, NY

Average temperature in December - Bardonia, NY
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Bardonia, NY

Average pressure in December - Bardonia, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Bardonia, NY

Average wind speed in December - Bardonia, NY
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Bardonia, NY

Average humidity in December - Bardonia, NY
  • Average humidity in December: 78%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in December
Bardonia, NY

Average rainfall in December - Bardonia, NY
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
Bardonia, NY

Average rainfall days in December - Bardonia, NY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Bardonia, NY

Average snowfall in December - Bardonia, NY
  • Average snowfall in December: 2.09"

The month with the highest snowfall is March (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Bardonia, NY

Average snowfall days in December - Bardonia, NY
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bardonia, NY
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Bardonia, NY

Average sunshine days in December - Bardonia, NY
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in December
Bardonia, NY

Average UV index in December - Bardonia, NY
  • Average UV index in December: 2

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).

Average cloud cover in December
Bardonia, NY

Average cloud cover in December - Bardonia, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Bardonia, NY

Average visibility in December - Bardonia, NY
  • Average visibility in December: 6mi

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

Bardonia, New York, USA

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