December weather forecast
Wellington, CO

Weather in December

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

Temperature

December is the coldest month, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 18.7°F (-7.4°C).

Humidity

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

Rainfall

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

The month with the shortest days in Wellington is December, with an average of 9h and 19min of daylight.
On the first day of December in Wellington, Colorado, sunrise is at 7:04 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.

Sunshine

In Wellington, the average sunshine in December is 6.9h.

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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Wellington?

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 18.7°F (-7.4°C), December is the coldest month in Wellington, Colorado.

What is the temperature in December in Wellington?

In December, in Wellington, Colorado, 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. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 82.4°F (28°C).

What is the average humidity in December in Wellington?

The average relative humidity in December is 65%.

How many days does it rain in December in Wellington?

In December, in Wellington, the rain falls for 1.5 days. Throughout December, 0.16" (4mm) of precipitation is accumulated.

How many days does it snow in December in Wellington?

In Wellington, during December, snow falls for 3.2 days and regularly aggregates up to 1.3" (33mm) of snow.

What is the month with the shortest days in Wellington?

With an average of 9h and 19min of daylight, December has the shortest days of the year in Wellington, Colorado.

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

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

When is the sunrise / sunset in December in Wellington?

On the first day of December, sunrise is at 7:04 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 many hours of sunshine does Wellington have in December?

In Wellington, the average sunshine duration in December is 6.9h.

When is the lowest UV index in Wellington?

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

What is the UV index reading in December in Wellington?

In Wellington, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
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 19min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in December: 6h and 54min

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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