December weather forecast
New Liberty, IA

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Weather in December

The first month of the winter, December, is also an icy month in New Liberty, Iowa, with an average temperature varying between 23.2°F (-4.9°C) and 34°F (1.1°C).

Temperature

New Liberty's progression into December involves a drop in the average high-temperature, receding from a chilly 46.4°F (8°C) in November to a wintry 34°F (1.1°C). New Liberty encounters an average low-temperature of 23.2°F (-4.9°C) during December nights.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In New Liberty, during December, the rain falls for 7.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in New Liberty, there are 136.9 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In New Liberty, during December, snow falls for 6.8 days and regularly aggregates up to 1.65" (42mm) of snow. Throughout the year, in New Liberty, Iowa, there are 35.1 snowfall days, and 12.8" (325mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:11 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:43 pm CST.

Sunshine

In New Liberty, the average sunshine in December is 4.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in New Liberty?

The average high-temperature, in December, in New Liberty, is 34°F (1.1°C), while the average low-temperature is 23.2°F (-4.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in December in New Liberty?

In December, the average relative humidity in New Liberty is 81%.

How much does it rain in New Liberty in December?

In New Liberty, Iowa, in December, during 7.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

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

In December, in New Liberty, it is snowing for 6.8 days. Throughout December, 1.65" (42mm) of snow is accumulated.

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

With an average of 9h and 12min of daylight, December has the shortest days of the year in New Liberty, Iowa.

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

The average day length in December is 9h and 13min.

What time are sunrise and sunset in December in New Liberty?

On the first day of December in New Liberty, sunrise is at 7:11 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:43 pm CST.

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

In New Liberty, the average sunshine duration in December is 4.3h.

What is the month with the lowest UV index in New Liberty?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in New Liberty.

What is the UV index reading in December in New Liberty?

The average daily maximum UV index in December in New Liberty, Iowa, is 1. 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
New Liberty, IA

Average temperature in December - New Liberty, IA
  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in December
New Liberty, IA

Average pressure in December - New Liberty, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
New Liberty, IA

Average wind speed in December - New Liberty, IA
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in December
New Liberty, IA

Average humidity in December - New Liberty, IA
  • Average humidity in December: 81%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
New Liberty, IA

Average rainfall in December - New Liberty, IA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in December
New Liberty, IA

Average rainfall days in December - New Liberty, IA
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in December
New Liberty, IA

Average snowfall in December - New Liberty, IA
  • Average snowfall in December: 1.65"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
New Liberty, IA

Average snowfall days in December - New Liberty, IA
  • Average snowfall days in December: 6.8 days

The month with the highest number of snowfall days is January (11.3 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
New Liberty, IA

Average daylight in December / Average sunshine in December - New Liberty, IA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in December
New Liberty, IA

Average sunshine days in December - New Liberty, IA
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is December (18.4 days).
The months with the least sunshine days are May and June (11.4 days).

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Average UV index in December
New Liberty, IA

Average UV index in December - New Liberty, IA
  • 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
New Liberty, IA

Average cloud cover in December - New Liberty, IA
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
New Liberty, IA

Average visibility in December - New Liberty, IA
  • Average visibility in December: 6mi

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

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New Liberty, Iowa, USA

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