December weather forecast
Greenwood, CO

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Weather in December

December, the first month of the winter in Greenwood, is still a cold month, with temperature in the range of an average low of 23°F (-5°C) and an average high of 41.5°F (5.3°C).

Temperature

In Greenwood, the lowest temperatures are generally noted in December, averaging a high of 41.5°F (5.3°C) and a low of 23°F (-5°C).

Humidity

The average relative humidity in December in Greenwood is 59%.

Rainfall

In Greenwood, Colorado, in December, during 4.4 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Greenwood, during the entire year, the rain falls for 120.5 days and collects up to 14.92" (379mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Greenwood. In Greenwood, Colorado, during December, snow falls for 6.5 days and regularly aggregates up to 3.03" (77mm) of snow. In Greenwood, during the entire year, snow falls for 33.9 days and aggregates up to 23.27" (591mm) of snow.

Daylight

The month with the shortest days in Greenwood is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:50 pm MST.

Sunshine

In December, the average sunshine is 7h.

UV index

The months with the lowest UV index in Greenwood are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Greenwood?

December, with its average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 23°F (-5°C), holds the record as the coldest month in Greenwood.

Is it cold in Greenwood during December?

The average high-temperature, in December, in Greenwood, is 41.5°F (5.3°C), while the average low-temperature is 23°F (-5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 84.2°F (29°C).

What is the average humidity in December in Greenwood?

The average relative humidity in December is 59%.

How many days does it rain in December in Greenwood?

In December, in Greenwood, Colorado, the rain falls for 4.4 days. Throughout December, 0.47" (12mm) of precipitation is accumulated.

How many days does it snow in December in Greenwood?

In Greenwood, Colorado, in December, snow falls for 6.5 days, with typically accumulated 3.03" (77mm) of snow.

What is the month with the shortest days in Greenwood?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Greenwood.

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

In December, the average day length is 9h and 34min.

What time are sunrise and sunset in December in Greenwood?

On the first day of December in Greenwood, sunrise is at 6:58 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:50 pm MST.

How many hours of sunshine does Greenwood have in December?

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

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

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

What is the UV index reading in December in Greenwood?

The average daily maximum UV index in December in Greenwood, Colorado, is 2. A UV Index reading of 2, and below, represents 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, CO

Average temperature in December - Greenwood, CO
  • Average high temperature in December: 41.5°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 (41.5°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).

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Average pressure in December
Greenwood, CO

Average pressure in December - Greenwood, CO
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

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Average wind speed in December
Greenwood, CO

Average wind speed in December - Greenwood, CO
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Greenwood, CO

Average humidity in December - Greenwood, CO
  • Average humidity in December: 59%

The month with the highest relative humidity is February (62%).
The month with the lowest relative humidity is June (38%).

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Average rainfall in December
Greenwood, CO

Average rainfall in December - Greenwood, CO
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").

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Average rainfall days in December
Greenwood, CO

Average rainfall days in December - Greenwood, CO
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).

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Average snowfall in December
Greenwood, CO

Average snowfall in December - Greenwood, CO
  • Average snowfall in December: 3.03"

The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Greenwood, CO

Average snowfall days in December - Greenwood, CO
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is February (7.9 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, CO

Average daylight in December / Average sunshine in December - Greenwood, CO
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

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Average sunshine days in December
Greenwood, CO

Average sunshine days in December - Greenwood, CO
  • Average sunshine days in December: 23 days

The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).

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Average UV index in December
Greenwood, CO

Average UV index in December - Greenwood, 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, CO

Average cloud cover in December - Greenwood, CO
  • Average cloud cover in December: 20

The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June and September (Cloud cover 14).

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Average visibility in December
Greenwood, CO

Average visibility in December - Greenwood, 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, Colorado, USA

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