December weather forecast
Greenwood Village, CO

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Weather in December

December in Greenwood Village is characterized by temperatures reverting to the cold conditions experienced at the beginning of the year, with lows dipping to 21°F (-6.1°C). Despite the cold temperatures, the daylight hours get reduced to their shortest length of the year, marking the winter solstice. Snowfall replaces rainfall, creating a festive winter wonderland perfect for the holiday season. Wind gusts increase considerably, heralding the arrival of winter. The increase in pressure characterizes consistent weather patterns, bringing the year to a fitting, chilly end.

Temperature

December is the coldest month in Greenwood Village, exhibiting average temperatures of 41°F (5°C) at the peak and 21°F (-6.1°C) at the base.

Humidity

The average relative humidity in December is 60%.

Rainfall

January and December are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.08" (2mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In Greenwood Village, in December, snow falls for 3 days, with typically accumulated 0.67" (17mm) of snow. In Greenwood Village, during the entire year, snow falls for 21 days and aggregates up to 7.91" (201mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:45 pm MST.

Sunshine

The average sunshine in December in Greenwood Village is 7h.

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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What are the coldest months in Greenwood Village?

In Greenwood Village, the lowest temperatures are generally noted in December, averaging a high of 41°F (5°C) and a low of 21°F (-6.1°C).

Is December cold in Greenwood Village?

The high-temperature, in December, in Greenwood Village, is 41°F (5°C), while the low-temperature averages to 21°F (-6.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 84.2°F (29°C).

What is the average humidity in December in Greenwood Village?

The average relative humidity in December is 60%.

What is the driest month in Greenwood Village?

January and December are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.08" (2mm) of rain.

How many days does it rain in December in Greenwood Village?

In Greenwood Village, Colorado, in December, it is raining for 2.5 days, with typically 0.08" (2mm) of accumulated precipitation.

How much does it snow in Greenwood Village in December?

In Greenwood Village, Colorado, in December, snow falls for 3 days, with typically accumulated 0.67" (17mm) of snow.

What is the month with the shortest days in Greenwood Village?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Greenwood Village, Colorado.

How many hours of daylight does Greenwood Village have in December?

In December, the average day length in Greenwood Village is 9h and 25min.

What time are sunrise and sunset in December in Greenwood Village?

On the first day of December in Greenwood Village, sunrise is at 7:02 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:45 pm MST.

How many hours of sunshine does Greenwood Village have in December?

In Greenwood Village, the average sunshine duration in December is 7h.

What are the months with the lowest UV index in Greenwood Village?

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

What is the UV index reading in December in Greenwood Village?

In Greenwood Village, Colorado, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Greenwood Village, CO

Average temperature in December - Greenwood Village, CO
  • Average high temperature in December: 41°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in December
Greenwood Village, CO

Average pressure in December - Greenwood Village, CO
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed in December
Greenwood Village, CO

Average wind speed in December - Greenwood Village, CO
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest months (with the lowest average wind speed) are August, September and December (6.2mph).

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Average humidity in December
Greenwood Village, CO

Average humidity in December - Greenwood Village, CO
  • Average humidity in December: 60%

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).

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Average rainfall in December
Greenwood Village, CO

Average rainfall in December - Greenwood Village, CO
  • Average rainfall in December: 0.08"

The wettest month (with the highest rainfall) is July (0.51").
The driest months (with the least rainfall) are January and December (0.08").

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Average rainfall days in December
Greenwood Village, CO

Average rainfall days in December - Greenwood Village, CO
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is November (1.7 days).

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Average snowfall in December
Greenwood Village, CO

Average snowfall in December - Greenwood Village, CO
  • Average snowfall in December: 0.67"

The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Greenwood Village, CO

Average snowfall days in December - Greenwood Village, CO
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is February (4.4 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
Greenwood Village, CO

Average daylight in December / Average sunshine in December - Greenwood Village, CO
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 7h and 0min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).

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Average sunshine days in December
Greenwood Village, CO

Average sunshine days in December - Greenwood Village, CO
  • Average sunshine days in December: 28.3 days

The month with the most sunshine days is December (28.3 days).
The month with the least sunshine days is July (19.7 days).

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Average UV index in December
Greenwood Village, CO

Average UV index in December - Greenwood Village, CO
  • 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
Greenwood Village, CO

Average cloud cover in December - Greenwood Village, CO
  • Average cloud cover in December: 21

The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

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Average visibility in December
Greenwood Village, CO

Average visibility in December - Greenwood Village, 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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Greenwood Village, Colorado, USA

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