December weather forecast and climate
Silverton, CO

The view of Silverton, Colorado, via the beauty of the brown and yellow trees in the fall
The view of Silverton, Colorado, via the beauty of the brown and yellow trees in the fall

Weather in December

December, the first month of the winter, in Silverton, is still a freezing cold month, with temperature in the range of an average low of 5.9°F (-14.5°C) and an average high of 25.7°F (-3.5°C).

Temperature

The coldest month is December, with an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 5.9°F (-14.5°C).

Humidity

The average relative humidity in Silverton is 82%.

Rainfall

In Silverton, during December, the rain falls for 6.5 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 107.5 rainfall days, and 26.34" (669mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall in Silverton, Colorado. In Silverton, Colorado, during December, snow falls for 16.5 days and regularly aggregates up to 18.15" (461mm) of snow. Throughout the year, there are 117.7 snowfall days, and 123.82" (3145mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.6h of daylight.

Sunshine

The month with the least sunshine in Silverton is December, with an average of 5.8h of sunshine.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 1 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Silverton?

With an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 5.9°F (-14.5°C), December is the coldest month in Silverton, Colorado.

What is the average humidity in December in Silverton?

In December, the average relative humidity in Silverton, Colorado, is 82%.

How many days does it rain in December in Silverton?

In Silverton, in December, it is raining for 6.5 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in Silverton in December?

In Silverton, in December, snow falls for 16.5 days, with typically accumulated 18.15" (461mm) of snow.

What is the month with the shortest days in Silverton?

The month with the shortest days is December, with an average of 9.6h of daylight.

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

In Silverton, Colorado, the average length of the day in December is 9.6h.

What is the month with the least sunshine in Silverton?

The month with the least sunshine in Silverton is December, with an average of 5.8h of sunshine.

How long on average sun shines in December in Silverton?

In Silverton, Colorado, the average sunshine in December is 5.8h.

When is the lowest UV index in Silverton?

With an average maximum UV index of 1, December is the month with the lowest UV index in Silverton.

What is the UV index reading in December in Silverton?

The average daily maximum UV index in December in Silverton, Colorado, is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Silverton, CO

Average temperature in December - Silverton, CO
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in December: 5.9°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
Silverton, CO

Average pressure in December - Silverton, CO
  • Average pressure in December: 30.16"

The month with the highest atmospheric pressure is January (30.23").
Months with the lowest atmospheric pressure are April and May (29.92").

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Average wind speed in December
Silverton, CO

Average wind speed in December - Silverton, CO
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in December
Silverton, CO

Average humidity in December - Silverton, CO
  • Average humidity in December: 82%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (45%).

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Average rainfall in December
Silverton, CO

Average rainfall in December - Silverton, CO
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is June (1.3").

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Average rainfall days in December
Silverton, CO

Average rainfall days in December - Silverton, CO
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (3.1 days).

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Average snowfall in December
Silverton, CO

Average snowfall in December - Silverton, CO
  • Average snowfall in December: 18.15"

The month with the highest snowfall is March (19.88").
The month with the least snowfall is July (0.12").

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Average snowfall days in December
Silverton, CO

Average snowfall days in December - Silverton, CO
  • Average snowfall days in December: 16.5 days

The month with the highest number of snowfall days is February (17.3 days).
The month with the least snowfall days is July (0.3 days).

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

Average daylight in December / Average sunshine in December - Silverton, CO
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 5.8h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in December
Silverton, CO

Average sunshine days in December - Silverton, CO
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (8.1 days).

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Average UV index in December
Silverton, CO

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

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

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Average cloud cover in December
Silverton, CO

Average cloud cover in December - Silverton, CO
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 14).

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Average visibility in December
Silverton, CO

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

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

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