December weather forecast
New Liberty, IL

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Weather in December

December, the first month of the winter in New Liberty, is still a chilly month, with an average temperature varying between 46.2°F (7.9°C) and 34.2°F (1.2°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's refreshing 55.6°F (13.1°C) to a frosty 46.2°F (7.9°C). During the nights in December, New Liberty experiences a consistent average temperature of 34.2°F (1.2°C).

Humidity

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

Rainfall

In New Liberty, in December, during 9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In New Liberty, Illinois, during the entire year, the rain falls for 126.4 days and collects up to 16.89" (429mm) of precipitation.

Snowfall

Months with snowfall in New Liberty are January through March, November and December. In December, in New Liberty, it is snowing for 1.4 days. Throughout December, 0.08" (2mm) of snow is accumulated. In New Liberty, during the entire year, snow falls for 8.9 days and aggregates up to 1.65" (42mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:49 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:47 pm CST.

Sunshine

In New Liberty, the average sunshine in December is 4.9h.

UV index

January 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 minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in December in New Liberty?

The high-temperature during December is 46.2°F (7.9°C) and the low-temperature is 34.2°F (1.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December in New Liberty?

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

How many days does it rain in December in New Liberty?

In December, in New Liberty, the rain falls for 9 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in December in New Liberty?

In New Liberty, in December, snow falls for 1.4 days, with typically accumulated 0.08" (2mm) of snow.

What is the month with the shortest days in New Liberty?

With an average of 9h and 42min of daylight, December has the shortest days of the year in New Liberty, Illinois.

What is the average length of the day in December in New Liberty?

In New Liberty, the average day length in December is 9h and 40min.

When are sunrise and sunset in December in New Liberty?

On the first day of December in New Liberty, sunrise is at 6:49 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:47 pm CST.

How many hours of sunshine does New Liberty have in December?

In December, the average sunshine duration in New Liberty, Illinois, is 4.9h.

What are the months with the lowest UV index in New Liberty?

The months with the lowest UV index in New Liberty are January and December, with an average maximum UV index of 2.

How high is the UV index in December in New Liberty?

In New Liberty, Illinois, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
New Liberty, IL

Average temperature in December - New Liberty, IL
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in December
New Liberty, IL

Average pressure in December - New Liberty, IL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
New Liberty, IL

Average wind speed in December - New Liberty, IL
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in December
New Liberty, IL

Average humidity in December - New Liberty, IL
  • Average humidity in December: 78%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
New Liberty, IL

Average rainfall in December - New Liberty, IL
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").

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Average rainfall days in December
New Liberty, IL

Average rainfall days in December - New Liberty, IL
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).

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Average snowfall in December
New Liberty, IL

Average snowfall in December - New Liberty, IL
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
New Liberty, IL

Average snowfall days in December - New Liberty, IL
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
New Liberty, IL

Average daylight in December / Average sunshine in December - New Liberty, IL
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
New Liberty, IL

Average sunshine days in December - New Liberty, IL
  • Average sunshine days in December: 20 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).

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Average UV index in December
New Liberty, IL

Average UV index in December - New Liberty, IL
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
New Liberty, IL

Average cloud cover in December - New Liberty, IL
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

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Average visibility in December
New Liberty, IL

Average visibility in December - New Liberty, IL
  • 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).

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New Liberty, Illinois, USA

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