December weather forecast
Estes Park, CO

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Weather in December

December seals the transition to winter, establishing itself as one of the coldest months. Compared to November, Estes Park, Colorado experiences reduced daylight hours of around 9.3 hours. The town starts dressing up in a white veil of snow, resembling a classic winter postcard scenery. Amidst the cold, the joy of the festive season keeps the town lively. Amidst the snowfall, the town relishes fewer hours of sunshine, illuminating the town under a comforting winter sun.

Temperature

December is the coldest month, with the temperature often reaching an average high of 28.6°F (-1.9°C) and an average low of 12.6°F (-10.8°C).

Humidity

The average relative humidity in December is 73%.

Rainfall

December is the month with the least rainfall. Rain falls for 6.3 days and accumulates 1.02" (26mm) of precipitation.

Snowfall

Months with snowfall are January through June, August through December. In December, it is snowing for 15.7 days. Throughout December, 8.31" (211mm) of snow is accumulated. Throughout the year, there are 114.1 snowfall days, and 105.67" (2684mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:45 pm MST.

Sunshine

In December, the average sunshine is 6.2h.

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 minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Estes Park's coldest month, December, registers temperatures that range from a high of 28.6°F (-1.9°C) to a low of 12.6°F (-10.8°C).

How cold is December?

The average high-temperature and low-temperature in Estes Park, Colorado, during December are 28.6°F (-1.9°C) and 12.6°F (-10.8°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 73%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 6.3 days and typically collects 1.02" (26mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 6.3 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How much does it snow in December?

In Estes Park, in December, during 15.7 snowfall days, 8.31" (211mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Estes Park have in December?

The average day length in December is 9h and 21min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm MST.

How long on average sun shines in December in Estes Park?

In Estes Park, the average sunshine duration in December is 6.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Estes Park, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Estes Park, CO

Average temperature in December - Estes Park, CO
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 12.6°F

The month with the highest average low temperature is July (49.3°F).
The coldest months (with the lowest average low temperature) are February and December (12.6°F).

Average pressure in December
Estes Park, CO

Average pressure in December - Estes Park, CO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Estes Park, CO

Average wind speed in December - Estes Park, CO
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in December
Estes Park, CO

Average humidity in December - Estes Park, CO
  • Average humidity in December: 73%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is June (50%).

Average rainfall in December
Estes Park, CO

Average rainfall in December - Estes Park, CO
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (1.02").

Average rainfall days in December
Estes Park, CO

Average rainfall days in December - Estes Park, CO
  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (3.6 days).

Average snowfall in December
Estes Park, CO

Average snowfall in December - Estes Park, CO
  • Average snowfall in December: 8.31"

The month with the highest snowfall is April (21.3").
The month with the least snowfall is July (0").

Average snowfall days in December
Estes Park, CO

Average snowfall days in December - Estes Park, CO
  • Average snowfall days in December: 15.7 days

The month with the highest number of snowfall days is March (16.8 days).
The month with the least snowfall days is July (0 days).

Average daylight in December /
Average sunshine in December
Estes Park, CO

Average daylight in December / Average sunshine in December - Estes Park, 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 18min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

Average sunshine days in December
Estes Park, CO

Average sunshine days in December - Estes Park, CO
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is September (19.4 days).
The month with the least sunshine days is May (8.2 days).

Average UV index in December
Estes Park, CO

Average UV index in December - Estes Park, CO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in December
Estes Park, CO

Average cloud cover in December - Estes Park, CO
  • Average cloud cover in December: 34

The months with the most cloud cover are February and May (Cloud cover 39).
The months with the least cloud cover are June and September (Cloud cover 22).

Average visibility in December
Estes Park, CO

Average visibility in December - Estes Park, 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).

Estes Park, Colorado, USA

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