December weather forecast
West Liberty, IA

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Weather in December

December, the first month of the winter in West Liberty, is also a wintry month, with an average temperature varying between 34°F (1.1°C) and 23°F (-5°C).

Temperature

West Liberty in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 46.4°F (8°C) in November to an icy 34°F (1.1°C). West Liberty encounters an average low-temperature of 23°F (-5°C) during December nights.

Humidity

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

Rainfall

In West Liberty, Iowa, during December, the rain falls for 3.8 days and regularly aggregates up to 0.31" (8mm) of precipitation. In West Liberty, during the entire year, the rain falls for 92.5 days and collects up to 7.68" (195mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In West Liberty, Iowa, in December, during 4.3 snowfall days, 0.16" (4mm) of snow is typically accumulated. In West Liberty, during the entire year, snow falls for 22.5 days and aggregates up to 3.11" (79mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in West Liberty, sunrise is at 7:12 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:45 pm CST.

Sunshine

The average sunshine in December is 4.5h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 1 during December leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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 it in West Liberty in December?

In West Liberty, in December, the average high-temperature is 34°F (1.1°C), and the average low-temperature is 23°F (-5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the average humidity in December in West Liberty?

In December, the average relative humidity is 81%.

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

In West Liberty, in December, during 3.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How much does it snow in West Liberty in December?

In West Liberty, Iowa, in December, during 4.3 snowfall days, 0.16" (4mm) of snow is typically accumulated.

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

The month with the shortest days in West Liberty is December, with an average of 9h and 12min of daylight.

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

The average day length in December is 9h and 14min.

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

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:35 pm. On the last day of the month, in West Liberty, sunrise is at 7:31 am and sunset at 4:45 pm CST.

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

The average sunshine duration in December in West Liberty, Iowa, is 4.5h.

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

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

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

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
West Liberty, IA

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

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in December: 23°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 (15.4°F).

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Average pressure in December
West Liberty, IA

Average pressure in December - West 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
West Liberty, IA

Average wind speed in December - West Liberty, IA
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in December
West Liberty, IA

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
West Liberty, IA

Average rainfall in December - West Liberty, IA
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.28").

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Average rainfall days in December
West Liberty, IA

Average rainfall days in December - West Liberty, IA
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in December
West Liberty, IA

Average snowfall in December - West Liberty, IA
  • Average snowfall in December: 0.16"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
West Liberty, IA

Average snowfall days in December - West Liberty, IA
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (6.4 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
West Liberty, IA

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

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 12min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
West Liberty, IA

Average sunshine days in December - West Liberty, IA
  • Average sunshine days in December: 24.4 days

The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is June (14.8 days).

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Average UV index in December
West Liberty, IA

Average UV index in December - West Liberty, IA
  • Average UV index in December: 1

The months with the highest UV index are June and 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
West Liberty, IA

Average cloud cover in December - West Liberty, IA
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
West Liberty, IA

Average visibility in December - West 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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West Liberty, Iowa, USA

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