December weather forecast
Elliston, MT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Elliston, Montana, with an average temperature varying between 26.2°F (-3.2°C) and 13.1°F (-10.5°C).

Temperature

Elliston's coldest month, December, generally records average temperatures ranging from a high of 26.2°F (-3.2°C) to a low of 13.1°F (-10.5°C).

Humidity

In December, the average relative humidity in Elliston, Montana, is 86%.

Rainfall

January and December are months with the least rain when the rain falls for 6.7 days and typically aggregates up to 0.59" (15mm) of rain.

Snowfall

Months with snowfall are January through June, September through December. In Elliston, in December, snow falls for 13.6 days, with typically accumulated 4.61" (117mm) of snow. Throughout the year, in Elliston, there are 92.7 snowfall days, and 45.59" (1158mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:53 am and sunset at 4:44 pm. On the last day of December, in Elliston, sunrise is at 8:13 am and sunset at 4:52 pm MST.

Sunshine

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Elliston.

UV index

In Elliston, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Stay sun-safe with clothing that is both closely woven and worn loosely. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the coldest time of year in Elliston?

Temperature readings reach their annual highs in December, averaging 26.2°F (-3.2°C) and a minimum average of 13.1°F (-10.5°C).

How cold is December in Elliston?

During December, Elliston experiences an average high-temperature of 26.2°F (-3.2°C) and a low-temperature of 13.1°F (-10.5°C).

What is the average humidity in December in Elliston?

In December, the average relative humidity is 86%.

What is the driest month in Elliston?

January and December are months with the least rain in Elliston, Montana, when the rain falls for 6.7 days and typically aggregates up to 0.59" (15mm) of rain.

How many days does it rain in December in Elliston?

In December, in Elliston, Montana, the rain falls for 6.7 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in December in Elliston?

In Elliston, in December, snow falls for 13.6 days, with typically accumulated 4.61" (117mm) of snow.

What is the month with the shortest days in Elliston?

The month with the shortest days in Elliston, Montana, is December, with an average of 8h and 36min of daylight.

How many hours of daylight does Elliston have in December?

The average day length in December in Elliston is 8h and 38min.

When are sunrise and sunset in December in Elliston?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 4:52 pm MST.

What are the months with the least sunshine in Elliston?

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

How many hours of sunshine does Elliston have in December?

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

How high is the UV index in December in Elliston?

In Elliston, Montana, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Elliston, MT

Average temperature in December - Elliston, MT
  • Average high temperature in December: 26.2°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in December: 13.1°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in December
Elliston, MT

Average pressure in December - Elliston, MT
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Elliston, MT

Average wind speed in December - Elliston, MT
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Elliston, MT

Average humidity in December - Elliston, MT
  • Average humidity in December: 86%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (48%).

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Average rainfall in December
Elliston, MT

Average rainfall in December - Elliston, MT
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and December (0.59").

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Average rainfall days in December
Elliston, MT

Average rainfall days in December - Elliston, MT
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in December
Elliston, MT

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

The month with the highest snowfall is February (7.13").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Elliston, MT

Average snowfall days in December - Elliston, MT
  • Average snowfall days in December: 13.6 days

The month with the highest number of snowfall days is February (15.1 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
Elliston, MT

Average daylight in December / Average sunshine in December - Elliston, MT
  • Average daylight in December: 8h and 4min

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

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Elliston, MT

Average sunshine days in December - Elliston, MT
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in December
Elliston, MT

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

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

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Average cloud cover in December
Elliston, MT

Average cloud cover in December - Elliston, MT
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in December
Elliston, MT

Average visibility in December - Elliston, MT
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Elliston, Montana, USA

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