December weather forecast
South Browning, MT

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Weather in December

December, the first month of the winter in South Browning, is still a freezing cold month, with an average temperature ranging between max 27.1°F (-2.7°C) and min 15.3°F (-9.3°C).

Temperature

South Browning's coldest temperatures are experienced in December, with average high temperatures of 27.1°F (-2.7°C) and lows of 15.3°F (-9.3°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In South Browning, in December, it is raining for 3.5 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 70.4 rainfall days, and 8.46" (215mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In South Browning, in December, during 10.2 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, in South Browning, there are 54.3 snowfall days, and 19.49" (495mm) of snow is accumulated.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 8:03 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 4:46 pm MST.

Sunshine

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

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

December proves to be the coldest month, recording an average maximum temperature of 27.1°F (-2.7°C) and a minimum temperature of 15.3°F (-9.3°C).

How cold is December?

The average high-temperature, in December, in South Browning, is 27.1°F (-2.7°C), while the average low-temperature is 15.3°F (-9.3°C).

What is the average humidity in December?

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

How much does it rain in December?

In South Browning, Montana, in December, it is raining for 3.5 days, with typically 0.43" (11mm) of accumulated precipitation.

How many days does it snow in December?

In South Browning, in December, during 10.2 snowfall days, 2.72" (69mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 24min of daylight.

How many hours of daylight does South Browning have in December?

In December, the average day length is 8h and 23min.

When are sunrise and sunset in December in South Browning?

On the first day of December, sunrise is at 8:03 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 4:46 pm MST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December is 5.6h.

When is the lowest UV index?

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

How high is the UV index in December?

In South Browning, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
South Browning, MT

Average temperature in December - South Browning, MT
  • Average high temperature in December: 27.1°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 (27.1°F).

  • Average low temperature in December: 15.3°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).

Average pressure in December
South Browning, MT

Average pressure in December - South Browning, 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 (29.87"Hg).

Average wind speed in December
South Browning, MT

Average wind speed in December - South Browning, MT
  • Average wind speed in December: 11.4mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).

Average humidity in December
South Browning, MT

Average humidity in December - South Browning, MT
  • Average humidity in December: 77%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

Average rainfall in December
South Browning, MT

Average rainfall in December - South Browning, MT
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in December
South Browning, MT

Average rainfall days in December - South Browning, MT
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).

Average snowfall in December
South Browning, MT

Average snowfall in December - South Browning, MT
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
South Browning, MT

Average snowfall days in December - South Browning, MT
  • Average snowfall days in December: 10.2 days

The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
South Browning, MT

Average daylight in December / Average sunshine in December - South Browning, MT
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in December
South Browning, MT

Average sunshine days in December - South Browning, MT
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).

Average UV index in December
South Browning, MT

Average UV index in December - South Browning, MT
  • Average UV index in December: 2

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

Average cloud cover in December
South Browning, MT

Average cloud cover in December - South Browning, MT
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in December
South Browning, MT

Average visibility in December - South Browning, 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).

South Browning, Montana, USA

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