December weather forecast
Angela, MT

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Weather in December

The first month of the winter, December, is also a subzero cold month in Angela, Montana, with an average temperature ranging between max 28.9°F (-1.7°C) and min 16.3°F (-8.7°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a cold 42.3°F (5.7°C) in November to a subzero cold 28.9°F (-1.7°C). Throughout December, the average low-temperature records at a still freezing cold 16.3°F (-8.7°C).

Humidity

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

Rainfall

November and December are months with the least rain when the rain falls for 4 days and typically aggregates up to 0.55" (14mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In Angela, in December, during 11.5 snowfall days, 3.23" (82mm) of snow is typically accumulated. In Angela, during the entire year, snow falls for 56.9 days and aggregates up to 18.19" (462mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:29 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:26 pm MST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.

UV index

The month with the lowest UV index in Angela is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

During December, Angela experiences an average high-temperature of 28.9°F (-1.7°C) and a low-temperature of 16.3°F (-8.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

What is the driest month?

The months with the least rainfall are November and December Rain falls for 4 days and accumulates 0.55" (14mm) of rain.

How many days does it rain in December?

In Angela, in December, it is raining for 4 days, with typically 0.55" (14mm) of accumulated precipitation.

How much does it snow in December?

In Angela, in December, during 11.5 snowfall days, 3.23" (82mm) 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 36min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 37min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:26 pm MST.

What are the months with the least sunshine?

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 5.1h.

When is the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index reading in December?

In Angela, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Angela, MT

Average temperature in December - Angela, MT
  • Average high temperature in December: 28.9°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 16.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in December
Angela, MT

Average pressure in December - Angela, MT
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Angela, MT

Average wind speed in December - Angela, MT
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (9.3mph).

Average humidity in December
Angela, MT

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

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (39%).

Average rainfall in December
Angela, MT

Average rainfall in December - Angela, MT
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are November and December (0.55").

Average rainfall days in December
Angela, MT

Average rainfall days in December - Angela, MT
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (4 days).

Average snowfall in December
Angela, MT

Average snowfall in December - Angela, MT
  • Average snowfall in December: 3.23"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Angela, MT

Average snowfall days in December - Angela, MT
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Angela, MT
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Angela, MT

Average sunshine days in December - Angela, MT
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in December
Angela, MT

Average UV index in December - Angela, MT
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Angela, MT

Average cloud cover in December - Angela, MT
  • Average cloud cover in December: 46

The months with the most cloud cover are February and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in December
Angela, MT

Average visibility in December - Angela, 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).

Angela, Montana, USA

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