December weather forecast
Tiber, MT

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Weather in December

December, the first month of the winter in Tiber, is also a subzero cold month, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 16.7°F (-8.5°C).

Temperature

The coldest time of the year is December, with temperatures averaging a high of 28.2°F (-2.1°C) and a low of 16.7°F (-8.5°C).

Humidity

In Tiber, Montana, the average relative humidity in December is 78%.

Rainfall

The month with the least rainfall is December, when the rain falls for 6.9 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Tiber, Montana, in December, snow falls for 12 days, with typically accumulated 3.7" (94mm) of snow. In Tiber, Montana, during the entire year, snow falls for 65.1 days and aggregates up to 24.69" (627mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 7:55 am and sunset at 4:31 pm. On the last day of December, in Tiber, sunrise is at 8:16 am and sunset at 4:39 pm MST.

Sunshine

The months with the least sunshine in Tiber are January and December, with an average of 5.3h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are the coldest months in Tiber?

The coldest month is December, with an average high-temperature of 28.2°F (-2.1°C) and an average low-temperature of 16.7°F (-8.5°C).

How cold is it in Tiber in December?

The high-temperature, in December, in Tiber, is 28.2°F (-2.1°C), while the low-temperature averages to 16.7°F (-8.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 82.4°F (28°C).

What is the average humidity in December in Tiber?

In December, the average relative humidity in Tiber is 78%.

What is the driest month in Tiber?

The month with the least rainfall in Tiber is December, when the rain falls for 6.9 days and typically collects 0.59" (15mm) of precipitation.

How many days does it rain in December in Tiber?

In December, the rain falls for 6.9 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How much does it snow in Tiber in December?

In Tiber, Montana, in December, snow falls for 12 days, with typically accumulated 3.7" (94mm) of snow.

What is the month with the shortest days in Tiber?

With an average of 8h and 24min of daylight, December has the shortest days of the year in Tiber, Montana.

How many hours of daylight does Tiber have in December?

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

What time are sunrise and sunset in December in Tiber?

On the first day of December in Tiber, sunrise is at 7:55 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:39 pm MST.

What is the month with the least sunshine in Tiber?

The months with the least sunshine are January and December, with an average of 5.3h of sunshine.

How many hours of sunshine does Tiber have in December?

In December, the average sunshine duration in Tiber, Montana, is 5.3h.

What are the months with the lowest UV index in Tiber?

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

How high is the UV index in December in Tiber?

The average daily maximum UV index in December in Tiber is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Tiber, MT

Average temperature in December - Tiber, MT
  • Average high temperature in December: 28.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in December: 16.7°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 (16.3°F).

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Average pressure in December
Tiber, MT

Average pressure in December - Tiber, MT
  • Average pressure in December: 30.11"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).

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Average wind speed in December
Tiber, MT

Average wind speed in December - Tiber, MT
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in December
Tiber, MT

Average humidity in December - Tiber, MT
  • Average humidity in December: 78%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in December
Tiber, MT

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

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days in December
Tiber, MT

Average rainfall days in December - Tiber, MT
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in December
Tiber, MT

Average snowfall in December - Tiber, MT
  • Average snowfall in December: 3.7"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Tiber, MT

Average snowfall days in December - Tiber, MT
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Tiber, 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 2min

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 18min).

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Average sunshine days in December
Tiber, MT

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

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).

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Average UV index in December
Tiber, MT

Average UV index in December - Tiber, 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).

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Average cloud cover in December
Tiber, MT

Average cloud cover in December - Tiber, MT
  • Average cloud cover in December: 44

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

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Average visibility in December
Tiber, MT

Average visibility in December - Tiber, 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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Tiber, Montana, USA

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