December weather forecast
Eagle, CO

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The snaky Eagle River flows through fields and a small town afar at the base of the Rocky Mountains in Eagle, Colorado
The snaky Eagle River flows through fields and a small town afar at the base of the Rocky Mountains in Eagle, Colorado

Weather in December

The first month of the winter, December, is also a subzero cold month in Eagle, Colorado, with an average temperature varying between 7°F (-13.9°C) and 27°F (-2.8°C).

Temperature

Eagle's December weather comes with a decrease in average high-temperatures, moving from an icy 37.2°F (2.9°C) in November to a subzero cold 27°F (-2.8°C). In December, Eagle's temperature tends to fall to an average low of 7°F (-13.9°C) during the night.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Eagle, during December, the rain falls for 9.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Eagle, Colorado, during the entire year, the rain falls for 134.3 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In December, it is snowing for 17.4 days. Throughout December, 12.6" (320mm) of snow is accumulated. Throughout the year, there are 103.1 snowfall days, and 76.73" (1949mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Eagle, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:53 pm MST.

Sunshine

The average sunshine in December in Eagle is 6.2h.

UV index

The months with the lowest UV index in Eagle are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is December in Eagle?

During December, Eagle experiences an average high-temperature of 27°F (-2.8°C) and a low-temperature of 7°F (-13.9°C).

What is the average humidity in December in Eagle?

In Eagle, Colorado, the average relative humidity in December is 84%.

How much does it rain in Eagle in December?

In Eagle, Colorado, during December, the rain falls for 9.5 days and regularly aggregates up to 1.61" (41mm) of precipitation.

How many days does it snow in December in Eagle?

In Eagle, in December, snow falls for 17.4 days, with typically accumulated 12.6" (320mm) of snow.

What is the month with the shortest days in Eagle?

December has the shortest days of the year in Eagle, with an average of 9h and 24min of daylight.

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

In Eagle, the average day length in December is 9h and 25min.

What time are sunrise and sunset in December in Eagle?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of the month, in Eagle, Colorado, sunrise is at 7:27 am and sunset at 4:53 pm MST.

How long on average sun shines in December in Eagle?

In December, the average sunshine duration in Eagle, Colorado, is 6.2h.

What are the months with the lowest UV index in Eagle?

February and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December in Eagle?

In Eagle, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Eagle, CO

Average temperature in December - Eagle, CO
  • Average high temperature in December: 27°F

The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 7°F

The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

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Average pressure in December
Eagle, CO

Average pressure in December - Eagle, CO
  • Average pressure in December: 30.19"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).

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Average wind speed in December
Eagle, CO

Average wind speed in December - Eagle, CO
  • Average wind speed in December: 4.4mph

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

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Average humidity in December
Eagle, CO

Average humidity in December - Eagle, CO
  • Average humidity in December: 84%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (49%).

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Average rainfall in December
Eagle, CO

Average rainfall in December - Eagle, CO
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in December
Eagle, CO

Average rainfall days in December - Eagle, CO
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (6.3 days).

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Average snowfall in December
Eagle, CO

Average snowfall in December - Eagle, CO
  • Average snowfall in December: 12.6"

The month with the highest snowfall is February (14.13").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Eagle, CO

Average snowfall days in December - Eagle, CO
  • Average snowfall days in December: 17.4 days

The month with the highest number of snowfall days is February (19.4 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 6h 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: 5h and 48min).

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Average sunshine days in December
Eagle, CO

Average sunshine days in December - Eagle, CO
  • Average sunshine days in December: 12.3 days

The months with the most sunshine days are September and November (17.6 days).
The month with the least sunshine days is April (5.9 days).

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Average UV index in December
Eagle, CO

Average UV index in December - Eagle, CO
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in December
Eagle, CO

Average cloud cover in December - Eagle, CO
  • Average cloud cover in December: 37

The month with the most cloud cover is February (Cloud cover 43).
The months with the least cloud cover are June and September (Cloud cover 14).

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Average visibility in December
Eagle, CO

Average visibility in December - Eagle, CO
  • Average visibility in December: 4mi

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

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Eagle, Colorado, USA

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