December weather forecast
Arnold, ND

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Weather in December

The first month of the winter, December, is still a freezing cold month in Arnold, North Dakota, with an average temperature varying between 23°F (-5°C) and 11.3°F (-11.5°C).

Temperature

The onset of December marks a clear decrease in the average high-temperature, dropping from a cold 38.5°F (3.6°C) in November to a freezing cold 23°F (-5°C). During the December nights, an average temperature of 11.3°F (-11.5°C) is observed in Arnold.

Humidity

In December, the average relative humidity in Arnold is 87%.

Rainfall

In Arnold, in December, it is raining for 2.9 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Arnold, there are 94.3 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Arnold, North Dakota, are January through May, October through December. December is the month with the most snowfall in Arnold. Snow falls for 12.8 days and accumulates 3.31" (84mm) of snow.

Daylight

With an average of 8h and 36min of daylight, December has the shortest days of the year in Arnold, North Dakota.
On the first day of the month, sunrise is at 8:08 am and sunset at 4:56 pm. On the last day of December, sunrise is at 8:28 am and sunset at 5:04 pm CST.

Sunshine

In December, the average sunshine in Arnold is 4.1h.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Arnold. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 1 transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is December in Arnold?

The high-temperature in Arnold during December is 23°F (-5°C) and the low-temperature is 11.3°F (-11.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 84.2°F (29°C).

What is the average humidity in December in Arnold?

The average relative humidity in December is 87%.

How much does it rain in Arnold in December?

In December, in Arnold, North Dakota, the rain falls for 2.9 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

When does it snow the most in Arnold?

December is the month with the most snowfall in Arnold, North Dakota. Snow falls for 12.8 days and accumulates 3.31" (84mm) of snow.

How many days does it snow in December in Arnold?

In December, in Arnold, it is snowing for 12.8 days. Throughout December, 3.31" (84mm) of snow is accumulated.

What is the month with the shortest days in Arnold?

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

How many hours of daylight does Arnold have in December?

The average day length in December in Arnold, North Dakota, is 8h and 36min.

What time are sunrise and sunset in December in Arnold?

On the first day of December in Arnold, North Dakota, sunrise is at 8:08 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:28 am and sunset at 5:04 pm CST.

How many hours of sunshine does Arnold have in December?

In December, the average sunshine duration in Arnold is 4.1h.

What is the month with the lowest UV index in Arnold?

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

What is the UV index reading in December in Arnold?

The average daily maximum UV index in December in Arnold, 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
Arnold, ND

Average temperature in December - Arnold, ND
  • Average high temperature in December: 23°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in December: 11.3°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 (6.3°F).

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Average pressure in December
Arnold, ND

Average pressure in December - Arnold, ND
  • Average pressure in December: 30.14"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).

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Average wind speed in December
Arnold, ND

Average wind speed in December - Arnold, ND
  • Average wind speed in December: 9.8mph

The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in December
Arnold, ND

Average humidity in December - Arnold, ND
  • Average humidity in December: 87%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in December
Arnold, ND

Average rainfall in December - Arnold, ND
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in December
Arnold, ND

Average rainfall days in December - Arnold, ND
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in December
Arnold, ND

Average snowfall in December - Arnold, ND
  • Average snowfall in December: 3.31"

The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Arnold, ND

Average snowfall days in December - Arnold, ND
  • Average snowfall days in December: 12.8 days

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Arnold, 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: 4h and 1min

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 54min).

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Average sunshine days in December
Arnold, ND

Average sunshine days in December - Arnold, ND
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).

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Average UV index in December
Arnold, ND

Average UV index in December - Arnold, 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 November and December (UV index 1).

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Average cloud cover in December
Arnold, ND

Average cloud cover in December - Arnold, ND
  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Arnold, ND

Average visibility in December - Arnold, 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).

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Arnold, North Dakota, USA

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