December weather forecast
Arthur, ND

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Weather in December

The first month of the winter, December, is still a freezing cold month in Arthur, North Dakota, with an average temperature fluctuating between 20.8°F (-6.2°C) and 10.4°F (-12°C).

Temperature

Arthur's transition into December marks a considerable drop in the average high-temperature, moving down from an icy 37.6°F (3.1°C) in November to a freezing cold 20.8°F (-6.2°C). In the month of December, the temperature generally rests at an average low of 10.4°F (-12°C).

Humidity

In December, the average relative humidity in Arthur is 88%.

Rainfall

In Arthur, in December, it is raining for 3 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 102.6 rainfall days, and 17.8" (452mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Arthur, North Dakota. The month with the most snowfall in Arthur, North Dakota, is December, when snow falls for 15.6 days and typically aggregates up to 3.74" (95mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of December in Arthur, sunrise is at 7:55 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 4:49 pm CST.

Sunshine

January and December, with an average of 3.5h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Arthur. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 1 during December translates into the following guidance:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Arthur?

The high-temperature in Arthur during December is 20.8°F (-6.2°C) and the low-temperature is 10.4°F (-12°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 82.4°F (28°C).

What is the average humidity in December in Arthur?

In December, the average relative humidity is 88%.

How much does it rain in Arthur in December?

In Arthur, in December, during 3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When does it snow the most in Arthur?

December is the month with the most snowfall in Arthur. Snow falls for 15.6 days and accumulates 3.74" (95mm) of snow.

How many days does it snow in December in Arthur?

In December, it is snowing for 15.6 days. Throughout December, 3.74" (95mm) of snow is accumulated.

What is the month with the shortest days in Arthur?

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

How many hours of daylight does Arthur have in December?

The average day length in December is 8h and 34min.

When are sunrise and sunset in December in Arthur?

On the first day of December in Arthur, North Dakota, sunrise is at 7:55 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 4:49 pm CST.

What are the months with the least sunshine in Arthur?

The months with the least sunshine in Arthur are January and December, with an average of 3.5h of sunshine.

How long on average sun shines in December in Arthur?

In Arthur, North Dakota, the average sunshine duration in December is 3.5h.

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

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

How high is the UV index in December in Arthur?

The average daily maximum UV index in December in Arthur, North Dakota, 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
Arthur, ND

Average temperature in December - Arthur, ND
  • Average high temperature in December: 20.8°F

The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).

  • Average low temperature in December: 10.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).

Average pressure in December
Arthur, ND

Average pressure in December - Arthur, 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 (29.86"Hg).

Average wind speed in December
Arthur, ND

Average wind speed in December - Arthur, ND
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in December
Arthur, ND

Average humidity in December - Arthur, ND
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (62%).

Average rainfall in December
Arthur, ND

Average rainfall in December - Arthur, ND
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Arthur, ND

Average rainfall days in December - Arthur, ND
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Arthur, ND

Average snowfall in December - Arthur, ND
  • Average snowfall in December: 3.74"

The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Arthur, ND

Average snowfall days in December - Arthur, ND
  • Average snowfall days in December: 15.6 days

The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Arthur, ND
  • 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: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

Average sunshine days in December
Arthur, ND

Average sunshine days in December - Arthur, ND
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11 days).

Average UV index in December
Arthur, ND

Average UV index in December - Arthur, ND
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Arthur, ND

Average cloud cover in December - Arthur, ND
  • Average cloud cover in December: 61

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Arthur, ND

Average visibility in December - Arthur, 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).

Arthur, North Dakota, USA

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