December weather forecast
Liverpool, IL

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Weather in December

The first month of the winter, December, is also an icy month in Liverpool, Illinois, with temperature in the range of an average low of 26.4°F and an average high of 37.9°F.

Temperature

Stepping into December, Liverpool observes a temperature decline, with the average high falling from November's chilly 49.5°F to a cold 37.9°F. In Liverpool, an average nighttime temperature of 26.4°F is expected during December.

Humidity

The average relative humidity in December in Liverpool, Illinois, is 79%.

Rainfall

The month with the least rainfall in Liverpool is December, when the rain falls for 7.5 days and typically collects 1.38" of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Liverpool, in December, during 5.4 snowfall days, 1.42" of snow is typically accumulated. Throughout the year, in Liverpool, Illinois, there are 28.4 snowfall days, and 10.31" of snow is accumulated.

Daylight

The month with the shortest days in Liverpool is December, with an average of 9h and 18min of daylight.
On the first day of December in Liverpool, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:43 pm CST.

Sunshine

In Liverpool, the average sunshine in December is 4.6h.

UV index

The months with the lowest UV index in Liverpool are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Given the potency of the midday Sun's UV radiation, one should avoid prolonged 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. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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FAQ

How cold is December in Liverpool?

The high-temperature in Liverpool during December is 37.9°F and the low-temperature is 26.4°F. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 89.6°F.

What is the average humidity in December in Liverpool?

In December, the average relative humidity in Liverpool, Illinois, is 79%.

What is the driest month in Liverpool?

December is the month with the least rainfall in Liverpool. Rain falls for 7.5 days and accumulates 1.38" of precipitation.

How many days does it rain in December in Liverpool?

In Liverpool, in December, during 7.5 rainfall days, 1.38" of precipitation is typically accumulated.

How much does it snow in Liverpool in December?

In Liverpool, Illinois, in December, snow falls for 5.4 days, with typically accumulated 1.42" of snow.

What is the month with the shortest days in Liverpool?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Liverpool?

The average day length in December is 9h and 21min.

When is the sunrise / sunset in December in Liverpool?

On the first day of December in Liverpool, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:43 pm CST.

How many hours of sunshine does Liverpool have in December?

In Liverpool, the average sunshine duration in December is 4.6h.

What are the months with the lowest UV index in Liverpool?

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

What is the UV index reading in December in Liverpool?

In Liverpool, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Liverpool, IL

Average temperature in December - Liverpool, IL
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in December
Liverpool, IL

Average pressure in December - Liverpool, IL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Liverpool, IL

Average wind speed in December - Liverpool, IL
  • Average wind speed in December: 9.6mph

The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in December
Liverpool, IL

Average humidity in December - Liverpool, IL
  • Average humidity in December: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Liverpool, IL

Average rainfall in December - Liverpool, IL
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is December (1.38").

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Average rainfall days in December
Liverpool, IL

Average rainfall days in December - Liverpool, IL
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in December
Liverpool, IL

Average snowfall in December - Liverpool, IL
  • Average snowfall in December: 1.42"

The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Liverpool, IL

Average snowfall days in December - Liverpool, IL
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Liverpool, IL

Average daylight in December / Average sunshine in December - Liverpool, IL
  • 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 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in December
Liverpool, IL

Average sunshine days in December - Liverpool, IL
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in December
Liverpool, IL

Average UV index in December - Liverpool, IL
  • 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, November and December (UV index 2).

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Average cloud cover in December
Liverpool, IL

Average cloud cover in December - Liverpool, IL
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in December
Liverpool, IL

Average visibility in December - Liverpool, IL
  • Average visibility in December: 6mi

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

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Liverpool, Illinois, USA

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