December weather forecast
Penrose, CO

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Weather in December

The first month of the winter, December, is still a cold month in Penrose, Colorado, with an average temperature varying between 38.3°F (3.5°C) and 18.5°F (-7.5°C).

Temperature

Penrose's transition into December involves a shift in temperature, receding from a chilly 48.4°F (9.1°C) in November to a wintry 38.3°F (3.5°C). The low-temperature in Penrose averages to a subzero cold 18.5°F (-7.5°C) during the nights of December.

Humidity

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

Rainfall

In Penrose, during December, the rain falls for 4 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Penrose, Colorado, during the entire year, the rain falls for 108.6 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

Months with snowfall in Penrose, Colorado, are January through May, October through December. In December, in Penrose, it is snowing for 5.5 days. Throughout December, 2.6" (66mm) of snow is accumulated. Throughout the year, in Penrose, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Penrose, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:39 pm. On the last day of December, in Penrose, Colorado, sunrise is at 7:17 am and sunset at 4:49 pm MST.

Sunshine

In December, the average sunshine is 7.2h.

UV index

The months with the lowest UV index in Penrose, Colorado, are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

How cold does it get in Penrose in December?

The average high-temperature and low-temperature in Penrose, Colorado, during December are 38.3°F (3.5°C) and 18.5°F (-7.5°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Penrose?

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

How much does it rain in Penrose in December?

In Penrose, Colorado, in December, during 4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

How many days does it snow in December in Penrose?

In December, in Penrose, it is snowing for 5.5 days. Throughout December, 2.6" (66mm) of snow is accumulated.

What is the month with the shortest days in Penrose?

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

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

In December, the average day length in Penrose, Colorado, is 9h and 32min.

When are sunrise and sunset in December in Penrose?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:49 pm MST.

How long on average sun shines in December in Penrose?

In Penrose, the average sunshine duration in December is 7.2h.

When is the lowest UV index in Penrose?

The months with the lowest UV index in Penrose, Colorado, are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in December in Penrose?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Penrose, CO

Average temperature in December - Penrose, CO
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in December
Penrose, CO

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

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

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Average wind speed in December
Penrose, CO

Average wind speed in December - Penrose, CO
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Penrose, CO

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

The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).

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Average rainfall in December
Penrose, CO

Average rainfall in December - Penrose, CO
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").

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Average rainfall days in December
Penrose, CO

Average rainfall days in December - Penrose, CO
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in December
Penrose, CO

Average snowfall in December - Penrose, CO
  • Average snowfall in December: 2.6"

The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Penrose, CO

Average snowfall days in December - Penrose, CO
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is February (8.8 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
Penrose, CO

Average daylight in December / Average sunshine in December - Penrose, CO
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).

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Average sunshine days in December
Penrose, CO

Average sunshine days in December - Penrose, CO
  • Average sunshine days in December: 23.8 days

The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).

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Average UV index in December
Penrose, CO

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in December
Penrose, CO

Average cloud cover in December - Penrose, 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, September, October and November (Cloud cover 14).

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Average visibility in December
Penrose, CO

Average visibility in December - Penrose, 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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Penrose, Colorado, USA

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