December weather forecast and climate
Evergreen, CO

The beautiful hilly landscape of Evergreen, Colorado
The beautiful hilly landscape of Evergreen, Colorado

Weather in December

December, the first month of the winter, in Evergreen, is still a cold month, with average temperature fluctuating between 18.3°F (-7.6°C) and 36.5°F (2.5°C).

Temperature

December is the coldest month, with an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 18.3°F (-7.6°C).

Humidity

The average relative humidity in Evergreen is 64%.

Rainfall

In December, in Evergreen, the rain falls for 7.1 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Evergreen, there are 141.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Evergreen, during December, snow falls for 9.6 days and regularly aggregates up to 5.04" (128mm) of snow. Throughout the year, in Evergreen, there are 57.8 snowfall days, and 49.41" (1255mm) of snow is accumulated.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year in Evergreen, Colorado.

Sunshine

The average sunshine in Evergreen is 7h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Evergreen. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Evergreen?

December is the coldest month in Evergreen, with an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 18.3°F (-7.6°C).

What is the temperature in December in Evergreen?

In Evergreen, Colorado, in December, the average high-temperature is 36.5°F (2.5°C), and the average low-temperature is 18.3°F (-7.6°C).

What is the average humidity in December in Evergreen?

In Evergreen, Colorado, the average relative humidity in December is 64%.

How much does it rain in Evergreen in December?

In Evergreen, Colorado, during December, the rain falls for 7.1 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in Evergreen in December?

In Evergreen, Colorado, in December, snow falls for 9.6 days, with typically accumulated 5.04" (128mm) of snow.

What is the month with the shortest days in Evergreen?

December has the shortest days of the year, with an average of 9.4h of daylight.

How many hours of daylight does Evergreen have in December?

In December, the average length of the day is 9.4h.

How many hours of sunshine does Evergreen have in December?

The average sunshine in December in Evergreen, Colorado, is 7h.

When is the lowest UV index in Evergreen?

Months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

What is the UV index reading in December in Evergreen?

In December, the average daily maximum UV index in Evergreen is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Evergreen, CO

Average temperature in December - Evergreen, CO
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (56.3°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).

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Average pressure in December
Evergreen, CO

Average pressure in December - Evergreen, CO
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.15").
Months with the lowest atmospheric pressure are April, May and June (29.92").

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Average wind speed in December
Evergreen, CO

Average wind speed in December - Evergreen, CO
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).

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Average humidity in December
Evergreen, CO

Average humidity in December - Evergreen, CO
  • Average humidity in December: 64%

The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is June (43%).

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Average rainfall in December
Evergreen, CO

Average rainfall in December - Evergreen, CO
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Evergreen, CO

Average rainfall days in December - Evergreen, CO
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (5 days).

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Average snowfall in December
Evergreen, CO

Average snowfall in December - Evergreen, CO
  • Average snowfall in December: 5.04"

The month with the highest snowfall is March (9.13").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Evergreen, CO

Average snowfall days in December - Evergreen, CO
  • Average snowfall days in December: 9.6 days

The month with the highest number of snowfall days is February (12.2 days).
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
Evergreen, CO

Average daylight in December / Average sunshine in December - Evergreen, CO
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 7h

Months with the most sunshine are June, July and August (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days in December
Evergreen, CO

Average sunshine days in December - Evergreen, CO
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (5.4 days).

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Average UV index in December
Evergreen, CO

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

Months with the highest UV index are June, July and August (UV index 5).
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
Evergreen, CO

Average cloud cover in December - Evergreen, CO
  • Average cloud cover in December: 22

Months with the most cloud cover are April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in December
Evergreen, CO

Average visibility in December - Evergreen, CO
  • Average visibility in December: 6mi

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

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