December weather forecast
Wellington, MO

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Weather in December

December, the first month of the winter in Wellington, is also a wintry month, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 27.1°F (-2.7°C).

Temperature

Wellington in December experiences a subtle temperature decline, with average high-temperatures reducing from a fresh 52.3°F (11.3°C) in November to a wintry 40.5°F (4.7°C). Wellington observes an average nighttime temperature of 27.1°F (-2.7°C) during December.

Humidity

In Wellington, Missouri, the average relative humidity in December is 76%.

Rainfall

In December, in Wellington, the rain falls for 6.2 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Wellington, there are 139.1 rainfall days, and 27.28" (693mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, October through December. In Wellington, during December, snow falls for 3.5 days and regularly aggregates up to 1.02" (26mm) of snow. Throughout the year, there are 16.8 snowfall days, and 7.52" (191mm) 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 December, sunrise is at 7:16 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:03 pm CST.

Sunshine

In Wellington, the average sunshine in December is 5.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Wellington in December?

The average high-temperature and low-temperature in Wellington during December are 40.5°F (4.7°C) and 27.1°F (-2.7°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What is the average humidity in December in Wellington?

In Wellington, Missouri, the average relative humidity in December is 76%.

How much does it rain in Wellington in December?

In December, in Wellington, Missouri, the rain falls for 6.2 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

How much does it snow in Wellington in December?

In Wellington, Missouri, in December, during 3.5 snowfall days, 1.02" (26mm) of snow is typically accumulated.

What is the month with the shortest days in Wellington?

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

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

In Wellington, Missouri, the average day length in December is 9h and 28min.

When are sunrise and sunset in December in Wellington?

On the first day of December in Wellington, sunrise is at 7:16 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:03 pm CST.

How long on average sun shines in December in Wellington?

In Wellington, Missouri, the average sunshine duration in December is 5.3h.

When is the lowest UV index in Wellington?

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

How high is the UV index in December in Wellington?

In Wellington, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Wellington, MO

Average temperature in December - Wellington, MO
  • Average high temperature in December: 40.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Wellington, MO

Average pressure in December - Wellington, 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 (29.9"Hg).

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Average wind speed in December
Wellington, MO

Average wind speed in December - Wellington, MO
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in December
Wellington, MO

Average humidity in December - Wellington, MO
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are October and November (71%).

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Average rainfall in December
Wellington, MO

Average rainfall in December - Wellington, MO
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in December
Wellington, MO

Average rainfall days in December - Wellington, MO
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in December
Wellington, MO

Average snowfall in December - Wellington, MO
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, June, July, August and September (0").

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Average snowfall days in December
Wellington, MO

Average snowfall days in December - Wellington, MO
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (5.1 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
Wellington, MO

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in December
Wellington, MO

Average sunshine days in December - Wellington, MO
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in December
Wellington, MO

Average UV index in December - Wellington, MO
  • 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
Wellington, MO

Average cloud cover in December - Wellington, MO
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in December
Wellington, MO

Average visibility in December - Wellington, 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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Wellington, Missouri, USA

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