December weather forecast
Federal Heights, CO

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Weather in December

December in Federal Heights ushers in winter featuring frigid temperatures between 21.2°F (-6°C) and 41.2°F (5.1°C). Besides being the coldest, it also observes the least rainfall, a mere 0.35" (9mm) throughout the month. Snowfall amounts to 2.87" (73mm), adding a festive touch to the holiday season. Sunshine hours regress to a low of 7 with a corresponding UV index of 2, the lowest of the year. The peak pressure of 30.12in reflects the cold ambiance prevailing in December.

Temperature

In Federal Heights, Colorado, December is the coldest month, with temperatures averaging a high of 41.2°F (5.1°C) and a low of 21.2°F (-6°C).

Humidity

In Federal Heights, the average relative humidity in December is 60%.

Rainfall

January and December are months with the least rain in Federal Heights when the rain falls for 4.4 days and typically aggregates up to 0.35" (9mm) of rain.

Snowfall

Months with snowfall in Federal Heights are January through May, October through December. In Federal Heights, Colorado, during December, snow falls for 5.6 days and regularly aggregates up to 2.87" (73mm) of snow. Throughout the year, there are 40.4 snowfall days, and 31.3" (795mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Federal Heights.
On the first day of December, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:45 pm MST.

Sunshine

In Federal Heights, the average sunshine in December is 7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Federal Heights. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Federal Heights?

December is the coldest month in Federal Heights, Colorado, with an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 21.2°F (-6°C).

How cold is December in Federal Heights?

During December, Federal Heights experiences an average high-temperature of 41.2°F (5.1°C) and a low-temperature of 21.2°F (-6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 86°F (30°C).

What is the average humidity in December in Federal Heights?

In Federal Heights, Colorado, the average relative humidity in December is 60%.

What is the driest month in Federal Heights?

The months with the least rainfall in Federal Heights are January and December Rain falls for 4.4 days and accumulates 0.35" (9mm) of rain.

How many days does it rain in December in Federal Heights?

In Federal Heights, Colorado, during December, the rain falls for 4.4 days and regularly aggregates up to 0.35" (9mm) of precipitation.

How many days does it snow in December in Federal Heights?

In Federal Heights, during December, snow falls for 5.6 days and regularly aggregates up to 2.87" (73mm) of snow.

What is the month with the shortest days in Federal Heights?

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

How many hours of daylight does Federal Heights have in December?

In December, the average day length is 9h and 24min.

When are sunrise and sunset in December in Federal Heights?

On the first day of December in Federal Heights, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:45 pm MST.

How many hours of sunshine does Federal Heights have in December?

In Federal Heights, Colorado, the average sunshine duration in December is 7h.

When is the lowest UV index in Federal Heights?

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

What is the UV index intensity in December in Federal Heights?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Federal Heights, CO

Average temperature in December - Federal Heights, CO
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in December: 21.2°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

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Average pressure in December
Federal Heights, CO

Average pressure in December - Federal Heights, CO
  • Average pressure in December: 30.12"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
Federal Heights, CO

Average wind speed in December - Federal Heights, CO
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and December (5.8mph).

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Average humidity in December
Federal Heights, CO

Average humidity in December - Federal Heights, 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 (40%).

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Average rainfall in December
Federal Heights, CO

Average rainfall in December - Federal Heights, CO
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (2.05").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in December
Federal Heights, CO

Average rainfall days in December - Federal Heights, CO
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in December
Federal Heights, CO

Average snowfall in December - Federal Heights, CO
  • Average snowfall in December: 2.87"

The month with the highest snowfall is April (5.55").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Federal Heights, CO

Average snowfall days in December - Federal Heights, CO
  • Average snowfall days in December: 5.6 days

The month with the highest number of snowfall days is February (9.4 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
Federal Heights, CO

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

The month with the longest days is June (Average daylight: 15h and 0min).
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 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in December
Federal Heights, CO

Average sunshine days in December - Federal Heights, CO
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in December
Federal Heights, CO

Average UV index in December - Federal Heights, 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
Federal Heights, CO

Average cloud cover in December - Federal Heights, CO
  • Average cloud cover in December: 22

The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in December
Federal Heights, CO

Average visibility in December - Federal Heights, 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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Federal Heights, Colorado, USA

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