December weather forecast
Biddle, MT

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Weather in December

December, the first month of the winter in Biddle, is also a subzero cold month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.2°F (-8.2°C).

Temperature

Temperature records mark December as the coldest month, with highs averaging 29.7°F (-1.3°C) and lows at 17.2°F (-8.2°C).

Humidity

In Biddle, the average relative humidity in December is 75%.

Rainfall

In Biddle, during December, the rain falls for 1.8 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Biddle, during the entire year, the rain falls for 108.9 days and collects up to 15.59" (396mm) of precipitation.

Snowfall

Months with snowfall in Biddle are January through May, September through December. In Biddle, in December, snow falls for 6.2 days, with typically accumulated 1.81" (46mm) of snow. In Biddle, during the entire year, snow falls for 50.5 days and aggregates up to 19.53" (496mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:29 pm MST.

Sunshine

In December, the average sunshine in Biddle, Montana, is 5.9h.

UV index

The months with the lowest UV index are January, February, April, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.2°F (-8.2°C), December is the coldest month.

How cold is it in December?

An average high-temperature, in December, in Biddle, is 29.7°F (-1.3°C) and the average low-temperature is 17.2°F (-8.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How many days does it rain in December?

In Biddle, during December, the rain falls for 1.8 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How much does it snow in December?

In Biddle, in December, snow falls for 6.2 days, with typically accumulated 1.81" (46mm) of snow.

What is the month with the shortest days?

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?

The average day length in December is 8h and 50min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:29 pm MST.

How many hours of sunshine does Biddle have in December?

In December, the average sunshine duration is 5.9h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Biddle, MT

Average temperature in December - Biddle, MT
  • Average high temperature in December: 29.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in December: 17.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).

Average pressure in December
Biddle, MT

Average pressure in December - Biddle, 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).

Average wind speed in December
Biddle, MT

Average wind speed in December - Biddle, MT
  • Average wind speed in December: 11mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).

Average humidity in December
Biddle, MT

Average humidity in December - Biddle, MT
  • Average humidity in December: 75%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

Average rainfall in December
Biddle, MT

Average rainfall in December - Biddle, MT
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Biddle, MT

Average rainfall days in December - Biddle, MT
  • Average rainfall days in December: 1.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).

Average snowfall in December
Biddle, MT

Average snowfall in December - Biddle, MT
  • Average snowfall in December: 1.81"

The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Biddle, MT

Average snowfall days in December - Biddle, MT
  • Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Biddle, 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 5min

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

Average sunshine days in December
Biddle, MT

Average sunshine days in December - Biddle, MT
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in December
Biddle, MT

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, April, November and December (UV index 2).

Average cloud cover in December
Biddle, MT

Average cloud cover in December - Biddle, MT
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in December
Biddle, MT

Average visibility in December - Biddle, 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).

Biddle, Montana, USA

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