December weather forecast
Virgelle, MT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Virgelle, Montana, with an average temperature varying between 30.2°F (-1°C) and 18.3°F (-7.6°C).

Temperature

Virgelle's December weather, with an average high temperature of 30.2°F (-1°C) and an average low temperature of 18.3°F (-7.6°C), tends to be the coldest of the year.

Humidity

In December, the average relative humidity is 76%.

Rainfall

The month with the least rainfall is December, when the rain falls for 4.5 days and typically collects 0.28" (7mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Virgelle, in December, snow falls for 8.5 days, with typically accumulated 1.69" (43mm) of snow. Throughout the year, there are 44.2 snowfall days, and 11.18" (284mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 7:50 am and sunset at 4:29 pm. On the last day of December, sunrise is at 8:10 am and sunset at 4:37 pm MST.

Sunshine

In Virgelle, the average sunshine in December is 5.4h.

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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 2 in December transforms into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December brings the lowest temperatures, with an average high of 30.2°F (-1°C) and an average low of 18.3°F (-7.6°C).

How cold is December in Virgelle?

The average high-temperature and low-temperature during December are 30.2°F (-1°C) and 18.3°F (-7.6°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 84.2°F (29°C).

What is the average humidity in December?

The average relative humidity in December in Virgelle is 76%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 4.5 days and typically collects 0.28" (7mm) of precipitation.

How many days does it rain in December in Virgelle?

In Virgelle, during December, the rain falls for 4.5 days and regularly aggregates up to 0.28" (7mm) of precipitation.

How many days does it snow in December?

In Virgelle, during December, snow falls for 8.5 days and regularly aggregates up to 1.69" (43mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 30min of daylight.

How many hours of daylight does Virgelle have in December?

The average day length in December is 8h and 27min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:50 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:37 pm MST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.4h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Virgelle, MT

Average temperature in December - Virgelle, MT
  • Average high temperature in December: 30.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.2°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

Average pressure in December
Virgelle, MT

Average pressure in December - Virgelle, MT
  • 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 (29.85"Hg).

Average wind speed in December
Virgelle, MT

Average wind speed in December - Virgelle, MT
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in December
Virgelle, MT

Average humidity in December - Virgelle, MT
  • Average humidity in December: 76%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

Average rainfall in December
Virgelle, MT

Average rainfall in December - Virgelle, MT
  • Average rainfall in December: 0.28"

The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.28").

Average rainfall days in December
Virgelle, MT

Average rainfall days in December - Virgelle, MT
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in December
Virgelle, MT

Average snowfall in December - Virgelle, MT
  • Average snowfall in December: 1.69"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Virgelle, MT

Average snowfall days in December - Virgelle, MT
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Virgelle, MT

Average daylight in December / Average sunshine in December - Virgelle, MT
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in December
Virgelle, MT

Average sunshine days in December - Virgelle, MT
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (14.6 days).

Average UV index in December
Virgelle, MT

Average UV index in December - Virgelle, MT
  • 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
Virgelle, MT

Average cloud cover in December - Virgelle, MT
  • Average cloud cover in December: 43

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in December
Virgelle, MT

Average visibility in December - Virgelle, MT
  • 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).

Virgelle, Montana, USA

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