December weather forecast
Avon, CO

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Weather in December

The first month of the winter, December, is still a freezing cold month in Avon, Colorado, with an average temperature varying between 3°F (-16.1°C) and 24.4°F (-4.2°C).

Temperature

With average high and low temperatures of 24.4°F (-4.2°C) and 3°F (-16.1°C) respectively, December is Avon's coldest month.

Humidity

In Avon, Colorado, the average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 2.8 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 59.1 rainfall days, and 10.75" (273mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In December, it is snowing for 12.7 days. Throughout December, 8.7" (221mm) of snow is accumulated. In Avon, during the entire year, snow falls for 89.3 days and aggregates up to 62.91" (1598mm) of snow.

Daylight

December has the shortest days of the year in Avon, Colorado, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:52 pm MST.

Sunshine

In Avon, the average sunshine in December is 5.6h.

UV index

The average daily maximum UV index in December in Avon is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What month is the coldest in Avon?

Avon, Colorado, reaches its average lowest temperatures in December, measuring 24.4°F (-4.2°C) at the peak and 3°F (-16.1°C) at the lowest.

How cold is December in Avon?

The high-temperature in Avon during December is 24.4°F (-4.2°C) and the low-temperature is 3°F (-16.1°C).

What is the average humidity in December in Avon?

The average relative humidity in December is 85%.

How much does it rain in Avon in December?

In Avon, Colorado, during December, the rain falls for 2.8 days and regularly aggregates up to 1.06" (27mm) of precipitation.

How many days does it snow in December in Avon?

In Avon, in December, during 12.7 snowfall days, 8.7" (221mm) of snow is typically accumulated.

What is the month with the shortest days in Avon?

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

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

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

When is the sunrise / sunset in December in Avon?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:42 pm. On the last day of the month, in Avon, Colorado, sunrise is at 7:26 am and sunset at 4:52 pm MST.

How long on average sun shines in December in Avon?

In Avon, Colorado, the average sunshine duration in December is 5.6h.

What is the UV index intensity in December in Avon?

In Avon, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Avon, CO

Average temperature in December - Avon, CO
  • Average high temperature in December: 24.4°F

The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is December (24.4°F).

  • Average low temperature in December: 3°F

The month with the highest average low temperature is July (41.4°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).

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Average pressure in December
Avon, CO

Average pressure in December - Avon, CO
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).

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Average wind speed in December
Avon, CO

Average wind speed in December - Avon, CO
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

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Average humidity in December
Avon, CO

Average humidity in December - Avon, CO
  • Average humidity in December: 85%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is June (51%).

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Average rainfall in December
Avon, CO

Average rainfall in December - Avon, CO
  • Average rainfall in December: 1.06"

The wettest months (with the highest rainfall) are February and March (1.26").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in December
Avon, CO

Average rainfall days in December - Avon, CO
  • Average rainfall days in December: 2.8 days

The month with the highest number of rainy days is July (11.2 days).
The month with the least rainy days is November (2.1 days).

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Average snowfall in December
Avon, CO

Average snowfall in December - Avon, CO
  • Average snowfall in December: 8.7"

The month with the highest snowfall is February (10.35").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Avon, CO

Average snowfall days in December - Avon, CO
  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is February (15.8 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
Avon, CO

Average daylight in December / Average sunshine in December - Avon, 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: 5h and 4min

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 18min).

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Average sunshine days in December
Avon, CO

Average sunshine days in December - Avon, CO
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in December
Avon, CO

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

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in December
Avon, CO

Average cloud cover in December - Avon, CO
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 14).

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Average visibility in December
Avon, CO

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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Avon, Colorado, USA

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