December weather forecast
Virginia City, MT

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Weather in December

December, the first month of the winter in Virginia City, is still a freezing cold month, with an average temperature varying between 22.3°F (-5.4°C) and 7.7°F (-13.5°C).

Temperature

Temperature records mark December as the coldest month, with highs averaging 22.3°F (-5.4°C) and lows at 7.7°F (-13.5°C).

Humidity

In Virginia City, the average relative humidity in December is 89%.

Rainfall

The month with the least rainfall is December, when the rain falls for 4.7 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

January through December are months with snowfall in Virginia City. In Virginia City, during December, snow falls for 15.5 days and regularly aggregates up to 6.3" (160mm) of snow. Throughout the year, in Virginia City, there are 136.1 snowfall days, and 86.93" (2208mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Virginia City, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 7:47 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:55 pm MST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Virginia City?

The coldest time of the year is December, with temperatures averaging a high of 22.3°F (-5.4°C) and a low of 7.7°F (-13.5°C).

How cold is December in Virginia City?

An average high-temperature, in December, in Virginia City, is 22.3°F (-5.4°C) and the average low-temperature is 7.7°F (-13.5°C).

What is the average humidity in December in Virginia City?

The average relative humidity in December in Virginia City, Montana, is 89%.

What is the driest month in Virginia City?

The month with the least rainfall in Virginia City is December, when the rain falls for 4.7 days and typically collects 0.75" (19mm) of precipitation.

How many days does it rain in December in Virginia City?

In Virginia City, during December, the rain falls for 4.7 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How many days does it snow in December in Virginia City?

In December, it is snowing for 15.5 days. Throughout December, 6.3" (160mm) of snow is accumulated.

What is the month with the shortest days in Virginia City?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

How many hours of daylight does Virginia City have in December?

In December, the average day length in Virginia City, Montana, is 8h and 48min.

When is the sunrise / sunset in December in Virginia City?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 4:46 pm. On the last day of the month, in Virginia City, sunrise is at 8:06 am and sunset at 4:55 pm MST.

How long on average sun shines in December in Virginia City?

The average sunshine duration in December in Virginia City is 4.9h.

How high is the UV index in December in Virginia City?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Virginia City, MT

Average temperature in December - Virginia City, MT
  • Average high temperature in December: 22.3°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).

  • Average low temperature in December: 7.7°F

The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

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Average pressure in December
Virginia City, MT

Average pressure in December - Virginia City, MT
  • Average pressure in December: 30.21"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Virginia City, MT

Average wind speed in December - Virginia City, MT
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Virginia City, MT

Average humidity in December - Virginia City, MT
  • Average humidity in December: 89%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in December
Virginia City, MT

Average rainfall in December - Virginia City, MT
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in December
Virginia City, MT

Average rainfall days in December - Virginia City, MT
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).

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Average snowfall in December
Virginia City, MT

Average snowfall in December - Virginia City, MT
  • Average snowfall in December: 6.3"

The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").

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Average snowfall days in December
Virginia City, MT

Average snowfall days in December - Virginia City, MT
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).

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Average daylight in December /
Average sunshine in December
Virginia City, MT

Average daylight in December / Average sunshine in December - Virginia City, MT
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in December
Virginia City, MT

Average sunshine days in December - Virginia City, MT
  • Average sunshine days in December: 16 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).

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Average UV index in December
Virginia City, MT

Average UV index in December - Virginia City, MT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in December
Virginia City, MT

Average cloud cover in December - Virginia City, MT
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in December
Virginia City, MT

Average visibility in December - Virginia City, MT
  • Average visibility in December: 4mi

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Virginia City, Montana, USA

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