December weather forecast
Fort Clark, ND

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Weather in December

The first month of the winter, December, is still a freezing cold month in Fort Clark, North Dakota, with an average temperature ranging between max 22.3°F (-5.4°C) and min 10.6°F (-11.9°C).

Temperature

As Fort Clark welcomes December, there is a noticeable shift in the average high-temperature, dropping from November's cold 37.6°F (3.1°C) to a freezing cold 22.3°F (-5.4°C). During the month of December, the temperature falls to an average of 10.6°F (-11.9°C).

Humidity

In Fort Clark, North Dakota, the average relative humidity in December is 87%.

Rainfall

In December, the rain falls for 2.9 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Fort Clark, during the entire year, the rain falls for 100.5 days and collects up to 15.2" (386mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 14.5 days. Throughout December, 3.7" (94mm) of snow is accumulated. In Fort Clark, during the entire year, snow falls for 72.6 days and aggregates up to 21.14" (537mm) 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 the month, sunrise is at 8:11 am and sunset at 4:56 pm. On the last day of December, sunrise is at 8:31 am and sunset at 5:05 pm CST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

Fort Clark in December has an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 10.6°F (-11.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 87%.

How much does it rain in December?

In Fort Clark, during December, the rain falls for 2.9 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in Fort Clark in December?

In Fort Clark, in December, snow falls for 14.5 days, with typically accumulated 3.7" (94mm) of snow.

What is the month with the shortest days?

With an average of 8h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Fort Clark have in December?

In December, the average day length is 8h and 34min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 8:11 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:31 am and sunset at 5:05 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.9h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Fort Clark, ND

Average temperature in December - Fort Clark, ND
  • Average high temperature in December: 22.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in December: 10.6°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in December
Fort Clark, ND

Average pressure in December - Fort Clark, ND
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Fort Clark, ND

Average wind speed in December - Fort Clark, ND
  • Average wind speed in December: 10.1mph

The windiest months (with the highest average wind speed) are April and October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity in December
Fort Clark, ND

Average humidity in December - Fort Clark, ND
  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (55%).

Average rainfall in December
Fort Clark, ND

Average rainfall in December - Fort Clark, ND
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in December
Fort Clark, ND

Average rainfall days in December - Fort Clark, ND
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Fort Clark, ND

Average snowfall in December - Fort Clark, ND
  • Average snowfall in December: 3.7"

The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Fort Clark, ND

Average snowfall days in December - Fort Clark, ND
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Fort Clark, ND

Average daylight in December / Average sunshine in December - Fort Clark, ND
  • Average daylight in December: 8h and 4min

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 36min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Fort Clark, ND

Average sunshine days in December - Fort Clark, ND
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (12.8 days).

Average UV index in December
Fort Clark, ND

Average UV index in December - Fort Clark, ND
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Fort Clark, ND

Average cloud cover in December - Fort Clark, ND
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Fort Clark, ND

Average visibility in December - Fort Clark, ND
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Fort Clark, North Dakota, USA

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