December weather forecast
Eaton, CO

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Weather in December

December, the first month of the winter in Eaton, is also an icy month, with an average temperature fluctuating between 20.3°F (-6.5°C) and 38.3°F (3.5°C).

Temperature

In Eaton, the lowest temperatures are generally noted in December, averaging a high of 38.3°F (3.5°C) and a low of 20.3°F (-6.5°C).

Humidity

December is the most humid month, with an average relative humidity of 64%.

Rainfall

The months with the least rainfall are January and December Rain falls for 3.8 days and accumulates 0.31" (8mm) of rain.

Snowfall

Months with snowfall in Eaton, Colorado, are January through May, October through December. In December, it is snowing for 6.6 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, there are 39.6 snowfall days, and 21.26" (540mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:42 pm MST.

Sunshine

In Eaton, the average sunshine in December is 6.7h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Eaton records the coldest temperatures in December, averaging a high of 38.3°F (3.5°C) and a low of 20.3°F (-6.5°C).

How cold is it in December?

In December, the average high-temperature and low-temperature are 38.3°F (3.5°C) and 20.3°F (-6.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the most humid month?

With an average relative humidity of 64%, December is the most humid month.

What is the average humidity in December?

In December, the average relative humidity is 64%.

What is the driest month?

January and December are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 0.31" (8mm) of rain.

How many days does it rain in December?

In Eaton, during December, the rain falls for 3.8 days and regularly aggregates up to 0.31" (8mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 6.6 days. Throughout December, 1.93" (49mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 20min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:42 pm MST.

How many hours of sunshine does Eaton have in December?

In Eaton, the average sunshine duration in December is 6.7h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents 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
Eaton, CO

Average temperature in December - Eaton, CO
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in December
Eaton, CO

Average pressure in December - Eaton, CO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Eaton, CO

Average wind speed in December - Eaton, CO
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
Eaton, CO

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

The month with the highest relative humidity is December (64%).
The months with the lowest relative humidity are August and September (44%).

Average rainfall in December
Eaton, CO

Average rainfall in December - Eaton, CO
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and December (0.31").

Average rainfall days in December
Eaton, CO

Average rainfall days in December - Eaton, CO
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in December
Eaton, CO

Average snowfall in December - Eaton, CO
  • Average snowfall in December: 1.93"

The month with the highest snowfall is April (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Eaton, CO

Average snowfall days in December - Eaton, CO
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Eaton, 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 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in December
Eaton, CO

Average sunshine days in December - Eaton, CO
  • Average sunshine days in December: 23.3 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in December
Eaton, CO

Average UV index in December - Eaton, 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).

Average cloud cover in December
Eaton, CO

Average cloud cover in December - Eaton, CO
  • Average cloud cover in December: 27

The months with the most cloud cover are February and April (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in December
Eaton, CO

Average visibility in December - Eaton, 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).

Eaton, Colorado, USA

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