December weather forecast
Denton, MT

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Weather in December

December, the first month of the winter in Denton, is also a subzero cold month, with temperature in the range of an average low of 16°F (-8.9°C) and an average high of 29.1°F (-1.6°C).

Temperature

February and December bring Denton's lowest average temperatures, reaching a high of 29.1°F (-1.6°C).

Humidity

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

Rainfall

The month with the least rainfall is December, when the rain falls for 6 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Denton, in December, snow falls for 13.5 days, with typically accumulated 4.88" (124mm) of snow. Throughout the year, in Denton, Montana, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Denton, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 7:46 am and sunset at 4:31 pm. On the last day of December, sunrise is at 8:06 am and sunset at 4:39 pm MST.

Sunshine

In December, the average sunshine is 5.6h.

UV index

The months with the lowest UV index are January through April, October through 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 average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Denton experiences the lowest of its temperatures in February and December, when the average high-temperatures rise to 29.1°F (-1.6°C).

How cold is it in December?

An average high-temperature, in December, in Denton, is 29.1°F (-1.6°C) and the average low-temperature is 16°F (-8.9°C).

What is the average humidity in December?

In December, the average relative humidity is 77%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 6 days and typically collects 0.71" (18mm) of precipitation.

How much does it rain in December?

In Denton, during December, the rain falls for 6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in December?

In Denton, during December, snow falls for 13.5 days and regularly aggregates up to 4.88" (124mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, 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 32min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:46 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:39 pm MST.

How long on average sun shines in December in Denton?

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

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

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Denton, MT

Average temperature in December - Denton, MT
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

  • Average low temperature in December: 16°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

Average pressure in December
Denton, MT

Average pressure in December - Denton, 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
Denton, MT

Average wind speed in December - Denton, MT
  • Average wind speed in December: 9.5mph

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

Average humidity in December
Denton, MT

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

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

Average rainfall in December
Denton, MT

Average rainfall in December - Denton, MT
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in December
Denton, MT

Average rainfall days in December - Denton, MT
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in December
Denton, MT

Average snowfall in December - Denton, MT
  • Average snowfall in December: 4.88"

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Denton, MT

Average snowfall days in December - Denton, MT
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Denton, 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 4min

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 30min).

Average sunshine days in December
Denton, MT

Average sunshine days in December - Denton, MT
  • Average sunshine days in December: 16 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

Average UV index in December
Denton, MT

Average UV index in December - Denton, 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, April, October, November and December (UV index 2).

Average cloud cover in December
Denton, MT

Average cloud cover in December - Denton, MT
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in December
Denton, MT

Average visibility in December - Denton, 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).

Denton, Montana, USA

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