December weather forecast
Broadus, MT

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Weather in December

December, the first month of the winter in Broadus, is still a freezing cold month, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 16.7°F (-8.5°C).

Temperature

Temperature records mark December as the coldest month, with highs averaging 30.4°F (-0.9°C) and lows at 16.7°F (-8.5°C).

Humidity

In Broadus, the average relative humidity in December is 77%.

Rainfall

December is the month with the least rainfall. Rain falls for 3.4 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall in Broadus are January through June, September through December. In Broadus, during December, snow falls for 9.3 days and regularly aggregates up to 3.15" (80mm) of snow. In Broadus, during the entire year, snow falls for 55.2 days and aggregates up to 23.5" (597mm) of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Broadus.
On the first day of December, sunrise is at 7:21 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:28 pm MST.

Sunshine

The average sunshine in December in Broadus is 5.4h.

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Broadus?

With its average high temperature of 30.4°F (-0.9°C) and a low of 16.7°F (-8.5°C), December is regarded as the coldest month in Broadus, Montana.

How cold is December in Broadus?

Broadus in December has an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 16.7°F (-8.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Broadus?

In December, the average relative humidity in Broadus, Montana, is 77%.

What is the driest month in Broadus?

December is the month with the least rainfall in Broadus. Rain falls for 3.4 days and accumulates 0.47" (12mm) of precipitation.

How much does it rain in Broadus in December?

In Broadus, Montana, in December, it is raining for 3.4 days, with typically 0.47" (12mm) of accumulated precipitation.

How much does it snow in Broadus in December?

In Broadus, Montana, in December, snow falls for 9.3 days, with typically accumulated 3.15" (80mm) of snow.

What is the month with the shortest days in Broadus?

The month with the shortest days is December, with an average of 8h and 48min of daylight.

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

The average day length in December in Broadus is 8h and 47min.

When is the sunrise / sunset in December in Broadus?

On the first day of December in Broadus, sunrise is at 7:21 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:28 pm MST.

How long on average sun shines in December in Broadus?

In Broadus, the average sunshine duration in December is 5.4h.

When is the lowest UV index in Broadus?

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

How high is the UV index in December in Broadus?

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

Average temperature in December - Broadus, MT
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in December: 16.7°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in December
Broadus, MT

Average pressure in December - Broadus, 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 (29.84"Hg).

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Average wind speed in December
Broadus, MT

Average wind speed in December - Broadus, MT
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

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Average humidity in December
Broadus, MT

Average humidity in December - Broadus, MT
  • Average humidity in December: 77%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in December
Broadus, MT

Average rainfall in December - Broadus, MT
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").

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Average rainfall days in December
Broadus, MT

Average rainfall days in December - Broadus, MT
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in December
Broadus, MT

Average snowfall in December - Broadus, MT
  • Average snowfall in December: 3.15"

The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Broadus, MT

Average snowfall days in December - Broadus, MT
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is February (10.4 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
Broadus, MT

Average daylight in December / Average sunshine in December - Broadus, 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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Broadus, MT

Average sunshine days in December - Broadus, MT
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Broadus, MT

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

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Average cloud cover in December
Broadus, MT

Average cloud cover in December - Broadus, MT
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in December
Broadus, MT

Average visibility in December - Broadus, 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).

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Broadus, Montana, USA

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