December weather forecast
Atcoal, ND

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Weather in December

December, the first month of the winter in Atcoal, is also a subzero cold month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 7.7°F (-13.5°C).

Temperature

Atcoal in December experiences a marked decrease in the average high-temperature, descending from November's icy 34°F (1.1°C) to a freezing cold 18.9°F (-7.3°C). Atcoal experiences a mean temperature of 7.7°F (-13.5°C) during December nights.

Humidity

In December, the average relative humidity is 89%.

Rainfall

In Atcoal, in December, it is raining for 2.2 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 85.6 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Atcoal, in December, during 14.4 snowfall days, 2.68" (68mm) of snow is typically accumulated. In Atcoal, during the entire year, snow falls for 73.2 days and aggregates up to 17.83" (453mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 8:24 am and sunset at 4:57 pm. On the last day of December, sunrise is at 8:45 am and sunset at 5:04 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 3.4h of sunshine.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 18.9°F (-7.3°C) and 7.7°F (-13.5°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 89%.

How much does it rain in December?

In Atcoal, in December, during 2.2 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Atcoal, North Dakota, in December, snow falls for 14.4 days, with typically accumulated 2.68" (68mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 18min of daylight.

How many hours of daylight does Atcoal have in December?

In Atcoal, the average day length in December is 8h and 20min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 8:24 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 8:45 am and sunset at 5:04 pm CST.

What is the month with the least sunshine?

With an average of 3.4h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In December, the average sunshine duration is 3.4h.

When is the lowest UV index?

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

What is the UV index intensity in December in Atcoal?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Atcoal, ND

Average temperature in December - Atcoal, ND
  • Average high temperature in December: 18.9°F

The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is February (17.2°F).

  • Average low temperature in December: 7.7°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is February (3.6°F).

Average pressure in December
Atcoal, ND

Average pressure in December - Atcoal, 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 (29.84"Hg).

Average wind speed in December
Atcoal, ND

Average wind speed in December - Atcoal, ND
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity in December
Atcoal, ND

Average humidity in December - Atcoal, ND
  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).

Average rainfall in December
Atcoal, ND

Average rainfall in December - Atcoal, ND
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is June (2.32").
The driest months (with the least rainfall) are January and February (0.39").

Average rainfall days in December
Atcoal, ND

Average rainfall days in December - Atcoal, ND
  • Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in December
Atcoal, ND

Average snowfall in December - Atcoal, ND
  • Average snowfall in December: 2.68"

The month with the highest snowfall is November (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Atcoal, ND

Average snowfall days in December - Atcoal, ND
  • Average snowfall days in December: 14.4 days

The month with the highest number of snowfall days is December (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Atcoal, ND

Average daylight in December / Average sunshine in December - Atcoal, ND
  • 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 18min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Atcoal, ND

Average sunshine days in December - Atcoal, ND
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is June (14.2 days).

Average UV index in December
Atcoal, ND

Average UV index in December - Atcoal, 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, February and December (UV index 1).

Average cloud cover in December
Atcoal, ND

Average cloud cover in December - Atcoal, ND
  • Average cloud cover in December: 64

The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in December
Atcoal, ND

Average visibility in December - Atcoal, 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).

Atcoal, North Dakota, USA

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