December weather forecast
Concordia, NJ

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Weather in December

December, the first month of the winter in Concordia, is also a frosty month, with an average temperature varying between 43.9°F (6.6°C) and 32.7°F (0.4°C).

Temperature

The transition into December involves a small decrease in the average high-temperature, dipping slightly from a cool 52.5°F (11.4°C) in November to a chilly 43.9°F (6.6°C). Concordia witnesses an average low-temperature of 32.7°F (0.4°C) throughout the month of December.

Humidity

The average relative humidity in December in Concordia, New Jersey, is 78%.

Rainfall

In Concordia, during December, the rain falls for 11 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Concordia, during the entire year, the rain falls for 154.3 days and collects up to 29.25" (743mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Concordia, New Jersey, in December, snow falls for 3.2 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 18.9 snowfall days, and 8.39" (213mm) of snow is accumulated.

Daylight

The month with the shortest days in Concordia is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of December, in Concordia, sunrise is at 7:20 am and sunset at 4:41 pm EST.

Sunshine

In Concordia, the average sunshine in December is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Concordia, New Jersey. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Concordia during December?

In Concordia, 43.9°F (6.6°C) is the average high-temperature and 32.7°F (0.4°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December in Concordia?

The average relative humidity in December in Concordia, New Jersey, is 78%.

How much does it rain in Concordia in December?

In Concordia, during December, the rain falls for 11 days and regularly aggregates up to 2.95" (75mm) of precipitation.

How many days does it snow in December in Concordia?

In Concordia, New Jersey, during December, snow falls for 3.2 days and regularly aggregates up to 1.14" (29mm) of snow.

What is the month with the shortest days in Concordia?

The month with the shortest days in Concordia, New Jersey, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Concordia have in December?

The average day length in December in Concordia is 9h and 22min.

When is the sunrise / sunset in December in Concordia?

On the first day of December, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:41 pm EST.

How many hours of sunshine does Concordia have in December?

In Concordia, New Jersey, the average sunshine duration in December is 5h.

When is the lowest UV index in Concordia?

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

How high is the UV index in December in Concordia?

In Concordia, New Jersey, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Concordia, NJ

Average temperature in December - Concordia, NJ
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in December
Concordia, NJ

Average pressure in December - Concordia, NJ
  • Average pressure in December: 30.08"Hg

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

Average wind speed in December
Concordia, NJ

Average wind speed in December - Concordia, NJ
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in December
Concordia, NJ

Average humidity in December - Concordia, NJ
  • Average humidity in December: 78%

The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Concordia, NJ

Average rainfall in December - Concordia, NJ
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in December
Concordia, NJ

Average rainfall days in December - Concordia, NJ
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in December
Concordia, NJ

Average snowfall in December - Concordia, NJ
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Concordia, NJ

Average snowfall days in December - Concordia, NJ
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Concordia, NJ

Average daylight in December / Average sunshine in December - Concordia, NJ
  • Average daylight in December: 9h and 2min

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

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Concordia, NJ

Average sunshine days in December - Concordia, NJ
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December
Concordia, NJ

Average UV index in December - Concordia, NJ
  • 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
Concordia, NJ

Average cloud cover in December - Concordia, NJ
  • Average cloud cover in December: 47

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in December
Concordia, NJ

Average visibility in December - Concordia, NJ
  • Average visibility in December: 6mi

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

Concordia, New Jersey, USA

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