December weather forecast
Wellington, CO

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Weather in December

December, the first month of the winter in Wellington, is still a cold month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 18.7°F (-7.4°C).

Temperature

The lowest temperatures are recorded in December, with averages reaching a high of 36.1°F (2.3°C) and a low of 18.7°F (-7.4°C).

Humidity

In Wellington, the average relative humidity in December is 65%.

Rainfall

In December, in Wellington, the rain falls for 1.5 days. Throughout December, 0.16" (4mm) of precipitation is accumulated. In Wellington, during the entire year, the rain falls for 73.4 days and collects up to 7.64" (194mm) of precipitation.

Snowfall

Months with snowfall in Wellington are January through May, October through December. In December, it is snowing for 3.2 days. Throughout December, 1.3" (33mm) of snow is accumulated. Throughout the year, there are 21.2 snowfall days, and 15.98" (406mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Wellington.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:42 pm MST.

Sunshine

The average sunshine in December is 6.9h.

UV index

The months with the lowest UV index in Wellington are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What time of the year is the coldest in Wellington?

December is the month when Wellington experiences its coldest temperatures, averaging a high of 36.1°F (2.3°C) and a low of 18.7°F (-7.4°C).

How cold is December in Wellington?

In Wellington, in December, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 18.7°F (-7.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 82.4°F (28°C).

What is the average humidity in December in Wellington?

In Wellington, Colorado, the average relative humidity in December is 65%.

How many days does it rain in December in Wellington?

In Wellington, in December, it is raining for 1.5 days, with typically 0.16" (4mm) of accumulated precipitation.

How much does it snow in Wellington in December?

In Wellington, Colorado, in December, snow falls for 3.2 days, with typically accumulated 1.3" (33mm) of snow.

What is the month with the shortest days in Wellington?

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

How many hours of daylight does Wellington have in December?

In December, the average day length in Wellington is 9h and 19min.

What time are sunrise and sunset in December in Wellington?

On the first day of December in Wellington, sunrise is at 7:05 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:42 pm MST.

How long on average sun shines in December in Wellington?

The average sunshine duration in December is 6.9h.

What is the month with the lowest UV index in Wellington?

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

How high is the UV index in December in Wellington?

In December, the average daily maximum UV index in Wellington, Colorado, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Wellington, CO

Average temperature in December - Wellington, CO
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in December: 18.7°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

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Average pressure in December
Wellington, CO

Average pressure in December - Wellington, CO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Wellington, CO

Average wind speed in December - Wellington, CO
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in December
Wellington, CO

Average humidity in December - Wellington, CO
  • Average humidity in December: 65%

The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).

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Average rainfall in December
Wellington, CO

Average rainfall in December - Wellington, CO
  • Average rainfall in December: 0.16"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").

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Average rainfall days in December
Wellington, CO

Average rainfall days in December - Wellington, CO
  • Average rainfall days in December: 1.5 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).

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Average snowfall in December
Wellington, CO

Average snowfall in December - Wellington, CO
  • Average snowfall in December: 1.3"

The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Wellington, CO

Average snowfall days in December - Wellington, CO
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is February (4.3 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, CO

Average daylight in December / Average sunshine in December - Wellington, CO
  • 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: 6h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in December
Wellington, CO

Average sunshine days in December - Wellington, CO
  • Average sunshine days in December: 27.5 days

The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).

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Average UV index in December
Wellington, CO

Average UV index in December - Wellington, CO
  • Average UV index in December: 2

The month with the highest UV index is July (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, CO

Average cloud cover in December - Wellington, CO
  • Average cloud cover in December: 24

The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).

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Average visibility in December
Wellington, CO

Average visibility in December - Wellington, CO
  • 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, Colorado, USA

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