December weather forecast
West Line, MO

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Weather in December

The first month of the winter, December, is also a wintry month in West Line, Missouri, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 28°F (-2.2°C).

Temperature

As December commences, the average high-temperature shows a reduction, transitioning from a cool 53.2°F (11.8°C) in November to an icy 41.9°F (5.5°C). During December, the nighttime temperature averages to a freezing cold 28°F (-2.2°C).

Humidity

In West Line, the average relative humidity in December is 73%.

Rainfall

In West Line, in December, during 5.8 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In West Line, during the entire year, the rain falls for 132.6 days and collects up to 27.13" (689mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In West Line, Missouri, during December, snow falls for 2.7 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, in West Line, there are 17.1 snowfall days, and 8.43" (214mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:57 pm. On the last day of December, in West Line, sunrise is at 7:36 am and sunset at 5:07 pm CST.

Sunshine

The average sunshine in December in West Line is 5.6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is December in West Line?

The average high-temperature, in December, in West Line, is 41.9°F (5.5°C), while the average low-temperature is 28°F (-2.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 95°F (35°C).

What is the average humidity in December in West Line?

The average relative humidity in December in West Line, Missouri, is 73%.

How much does it rain in West Line in December?

In December, in West Line, Missouri, the rain falls for 5.8 days. Throughout December, 1.22" (31mm) of precipitation is accumulated.

How much does it snow in West Line in December?

In West Line, in December, during 2.7 snowfall days, 0.87" (22mm) of snow is typically accumulated.

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

December has the shortest days of the year, with an average of 9h and 30min of daylight.

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

In December, the average day length in West Line is 9h and 31min.

When is the sunrise / sunset in December in West Line?

On the first day of December, sunrise is at 7:17 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:07 pm CST.

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

In December, the average sunshine duration in West Line is 5.6h.

What are the months with the lowest UV index in West Line?

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

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

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
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 Line, MO

Average temperature in December - West Line, MO
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in December
West Line, MO

Average pressure in December - West Line, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
West Line, MO

Average wind speed in December - West Line, MO
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
West Line, MO

Average humidity in December - West Line, MO
  • Average humidity in December: 73%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are October and November (71%).

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Average rainfall in December
West Line, MO

Average rainfall in December - West Line, MO
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in December
West Line, MO

Average rainfall days in December - West Line, MO
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in December
West Line, MO

Average snowfall in December - West Line, MO
  • Average snowfall in December: 0.87"

The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
West Line, MO

Average snowfall days in December - West Line, MO
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
West Line, MO

Average daylight in December / Average sunshine in December - West Line, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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Average sunshine days in December
West Line, MO

Average sunshine days in December - West Line, MO
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in December
West Line, MO

Average UV index in December - West Line, MO
  • 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, February, November and December (UV index 2).

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Average cloud cover in December
West Line, MO

Average cloud cover in December - West Line, MO
  • Average cloud cover in December: 40

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in December
West Line, MO

Average visibility in December - West Line, MO
  • 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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West Line, Missouri, USA

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