December weather forecast
Black Forest, CO

Weather in December

The first month of the winter, December, is still a cold month in Black Forest, Colorado, with temperature in the range of an average high of 36.3°F (2.4°C) and an average low of 18.5°F (-7.5°C).

Temperature

With an average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 18.5°F (-7.5°C), December is the coldest month.

Humidity

In December, the average relative humidity is 63%.

Rainfall

December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.51" (13mm) of precipitation.

Snowfall

Months with snowfall in Black Forest are January through May, September through December. In Black Forest, during December, snow falls for 9.3 days and regularly aggregates up to 3.23" (82mm) of snow. Throughout the year, in Black Forest, there are 63.1 snowfall days, and 34.76" (883mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 29min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:37 pm. On the last day of December, in Black Forest, sunrise is at 7:17 am and sunset at 4:46 pm MST.

Sunshine

In Black Forest, the average sunshine in December is 6.8h.

UV index

The months with the lowest UV index in Black Forest 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 exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Black Forest?

December is the coldest month, with an average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 18.5°F (-7.5°C).

What is the temperature in December in Black Forest?

The average high-temperature, in December, is 36.3°F (2.4°C), while the average low-temperature is 18.5°F (-7.5°C).

What is the average humidity in December in Black Forest?

The average relative humidity in December in Black Forest is 63%.

What is the driest month in Black Forest?

December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.51" (13mm) of precipitation.

How much does it rain in Black Forest in December?

In Black Forest, Colorado, in December, it is raining for 4.5 days, with typically 0.51" (13mm) of accumulated precipitation.

How much does it snow in Black Forest in December?

In December, in Black Forest, it is snowing for 9.3 days. Throughout December, 3.23" (82mm) of snow is accumulated.

What is the month with the shortest days in Black Forest?

With an average of 9h and 29min of daylight, December has the shortest days of the year in Black Forest, Colorado.

What is the average length of the day in December in Black Forest?

The average day length in December is 9h and 29min.

When is the sunrise / sunset in December in Black Forest?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:37 pm. On the last day of the month, in Black Forest, sunrise is at 7:17 am and sunset at 4:46 pm MST.

How long on average sun shines in December in Black Forest?

In Black Forest, Colorado, the average sunshine duration in December is 6.8h.

What are the months with the lowest UV index in Black Forest?

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

What is the UV index intensity in December in Black Forest?

In Black Forest, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Black Forest, CO

Average temperature in December - Black Forest, CO
  • Average high temperature in December: 36.3°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (36.3°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
Black Forest, CO

Average pressure in December - Black Forest, CO
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).

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Average wind speed in December
Black Forest, CO

Average wind speed in December - Black Forest, CO
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average humidity in December
Black Forest, CO

Average humidity in December - Black Forest, CO
  • Average humidity in December: 63%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (48%).

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Average rainfall in December
Black Forest, CO

Average rainfall in December - Black Forest, CO
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is December (0.51").

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Average rainfall days in December
Black Forest, CO

Average rainfall days in December - Black Forest, CO
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in December
Black Forest, CO

Average snowfall in December - Black Forest, CO
  • Average snowfall in December: 3.23"

The month with the highest snowfall is April (6.42").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Black Forest, CO

Average snowfall days in December - Black Forest, CO
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Black Forest, CO

Average daylight in December / Average sunshine in December - Black Forest, CO
  • Average daylight in December: 9h and 29min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in December: 6h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

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Average sunshine days in December
Black Forest, CO

Average sunshine days in December - Black Forest, CO
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index in December
Black Forest, CO

Average UV index in December - Black Forest, 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
Black Forest, CO

Average cloud cover in December - Black Forest, CO
  • Average cloud cover in December: 25

The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are June, October and November (Cloud cover 19).

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Average visibility in December
Black Forest, CO

Average visibility in December - Black Forest, 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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