December weather forecast
Powderhorn, CO

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Weather in December

The first month of the winter, December, is still a freezing cold month in Powderhorn, Colorado, with an average temperature ranging between max 27.5°F (-2.5°C) and min 3.9°F (-15.6°C).

Temperature

The transition into December involves a decrease in the average high-temperature, falling from a wintry 39.6°F (4.2°C) in November to a freezing cold 27.5°F (-2.5°C). Powderhorn's December nights bring a significant temperature shift, averaging at an arctic cold 3.9°F (-15.6°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Powderhorn, in December, it is raining for 7.3 days, with typically 0.79" (20mm) of accumulated precipitation. In Powderhorn, during the entire year, the rain falls for 99.9 days and collects up to 9.76" (248mm) of precipitation.

Snowfall

Months with snowfall are January through June, August through December. In December, it is snowing for 12.2 days. Throughout December, 6.38" (162mm) of snow is accumulated. In Powderhorn, during the entire year, snow falls for 85 days and aggregates up to 42.87" (1089mm) of snow.

Daylight

The month with the shortest days in Powderhorn is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:58 pm MST.

Sunshine

In December, the average sunshine in Powderhorn, Colorado, is 6.5h.

UV index

January through April, October through 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 threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in Powderhorn in December?

The average high-temperature and low-temperature during December are 27.5°F (-2.5°C) and 3.9°F (-15.6°C) respectively.

What is the average humidity in December in Powderhorn?

In Powderhorn, Colorado, the average relative humidity in December is 82%.

How much does it rain in Powderhorn in December?

In Powderhorn, during December, the rain falls for 7.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in December in Powderhorn?

In December, in Powderhorn, it is snowing for 12.2 days. Throughout December, 6.38" (162mm) of snow is accumulated.

What is the month with the shortest days in Powderhorn?

The month with the shortest days in Powderhorn is December, with an average of 9h and 36min of daylight.

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

In December, the average day length is 9h and 33min.

What time are sunrise and sunset in December in Powderhorn?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:48 pm. On the last day of the month, in Powderhorn, Colorado, sunrise is at 7:25 am and sunset at 4:58 pm MST.

How many hours of sunshine does Powderhorn have in December?

In Powderhorn, the average sunshine duration in December is 6.5h.

When is the lowest UV index in Powderhorn?

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

What is the UV index reading in December in Powderhorn?

In Powderhorn, Colorado, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average max. wind speed
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
Powderhorn, CO

Average temperature in December - Powderhorn, CO
  • Average high temperature in December: 27.5°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in December: 3.9°F

The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).

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Average pressure in December
Powderhorn, CO

Average pressure in December - Powderhorn, CO
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).

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Average wind speed in December
Powderhorn, CO

Average wind speed in December - Powderhorn, CO
  • Average wind speed in December: 4.5mph

The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

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Average humidity in December
Powderhorn, CO

Average humidity in December - Powderhorn, CO
  • Average humidity in December: 82%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (44%).

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Average rainfall in December
Powderhorn, CO

Average rainfall in December - Powderhorn, CO
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in December
Powderhorn, CO

Average rainfall days in December - Powderhorn, CO
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (4.2 days).

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Average snowfall in December
Powderhorn, CO

Average snowfall in December - Powderhorn, CO
  • Average snowfall in December: 6.38"

The month with the highest snowfall is February (7.13").
The month with the least snowfall is July (0").

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Average snowfall days in December
Powderhorn, CO

Average snowfall days in December - Powderhorn, CO
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is February (14.3 days).
The month with the least snowfall days is July (0 days).

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Average daylight in December /
Average sunshine in December
Powderhorn, CO

Average daylight in December / Average sunshine in December - Powderhorn, 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: 6h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

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Average sunshine days in December
Powderhorn, CO

Average sunshine days in December - Powderhorn, CO
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (9 days).

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Average UV index in December
Powderhorn, CO

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in December
Powderhorn, CO

Average cloud cover in December - Powderhorn, CO
  • Average cloud cover in December: 30

The month with the most cloud cover is February (Cloud cover 34).
The months with the least cloud cover are June and September (Cloud cover 12).

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Average visibility in December
Powderhorn, CO

Average visibility in December - Powderhorn, CO
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Powderhorn, Colorado, USA

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