December weather forecast
Shonkin, MT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Shonkin, Montana, with an average temperature varying between 29.8°F (-1.2°C) and 18.5°F (-7.5°C).

Temperature

In Shonkin, Montana, December is the month with the lowest recorded average temperatures, measuring a high of 29.8°F (-1.2°C) and a low of 18.5°F (-7.5°C).

Humidity

In Shonkin, the average relative humidity in December is 76%.

Rainfall

The month with the least rainfall is December, when the rain falls for 5.8 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Shonkin, during December, snow falls for 10.7 days and regularly aggregates up to 4.61" (117mm) of snow. Throughout the year, there are 58.3 snowfall days, and 29.37" (746mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 7:50 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:40 pm MST.

Sunshine

January, February and December, with an average of 5.5h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December leads to these advisories:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What part of the year is the coldest?

December is Shonkin's coldest month, registering average high temperatures of 29.8°F (-1.2°C) and lows of 18.5°F (-7.5°C).

How cold is December?

December temperatures vary between a high-temperature of 29.8°F (-1.2°C) and a low-temperature of 18.5°F (-7.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 82.4°F (28°C).

What is the average humidity in December?

In Shonkin, the average relative humidity in December is 76%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 5.8 days and typically collects 0.67" (17mm) of precipitation.

How much does it rain in December?

In Shonkin, during December, the rain falls for 5.8 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in December?

In Shonkin, in December, during 10.7 snowfall days, 4.61" (117mm) of snow is typically accumulated.

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.

What is the average length of the day in December?

The average day length in December is 8h and 30min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:50 am and sunset at 4:32 pm. On the last day of the month, in Shonkin, sunrise is at 8:10 am and sunset at 4:40 pm MST.

What is the month with the least sunshine?

January, February and December, with an average of 5.5h of sunshine, are months with the least sunshine.

How many hours of sunshine does Shonkin have in December?

The average sunshine duration in December is 5.5h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Shonkin, MT

Average temperature in December - Shonkin, MT
  • Average high temperature in December: 29.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

Average pressure in December
Shonkin, MT

Average pressure in December - Shonkin, 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
Shonkin, MT

Average wind speed in December - Shonkin, MT
  • Average wind speed in December: 10.4mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in December
Shonkin, MT

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

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).

Average rainfall in December
Shonkin, MT

Average rainfall in December - Shonkin, MT
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in December
Shonkin, MT

Average rainfall days in December - Shonkin, MT
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in December
Shonkin, MT

Average snowfall in December - Shonkin, MT
  • Average snowfall in December: 4.61"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Shonkin, MT

Average snowfall days in December - Shonkin, MT
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Shonkin, MT

Average sunshine days in December - Shonkin, MT
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in December
Shonkin, MT

Average UV index in December - Shonkin, MT
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Shonkin, MT

Average cloud cover in December - Shonkin, MT
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in December
Shonkin, MT

Average visibility in December - Shonkin, 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).

Shonkin, Montana, USA

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