December weather forecast
Arnett, AR

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Weather in December

The first month of the winter, December, is still a chilly month in Arnett, Arkansas, with an average temperature ranging between min 32.2°F (0.1°C) and max 47.1°F (8.4°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a moderate 56.3°F (13.5°C) in November to a chilly 47.1°F (8.4°C). Nighttime temperature experiences an average drop to an icy 32.2°F (0.1°C) in December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Arnett, in December, it is raining for 8.9 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in Arnett, there are 148.7 rainfall days, and 32.48" (825mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Arnett, Arkansas, in December, during 2.7 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, there are 11.8 snowfall days, and 5.35" (136mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:12 pm CST.

Sunshine

The average sunshine in December is 5.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Arnett in December?

During December, Arnett experiences an average high-temperature of 47.1°F (8.4°C) and a low-temperature of 32.2°F (0.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is evaluated at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How many days does it rain in December?

In Arnett, during December, the rain falls for 8.9 days and regularly aggregates up to 2.13" (54mm) of precipitation.

How many days does it snow in December?

In Arnett, during December, snow falls for 2.7 days and regularly aggregates up to 0.75" (19mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 46min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:12 pm CST.

How many hours of sunshine does Arnett have in December?

In Arnett, the average sunshine duration in December is 5.5h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In Arnett, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Arnett, AR

Average temperature in December - Arnett, AR
  • Average high temperature in December: 47.1°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average pressure in December
Arnett, AR

Average pressure in December - Arnett, AR
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Arnett, AR

Average wind speed in December - Arnett, AR
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in December
Arnett, AR

Average humidity in December - Arnett, AR
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Arnett, AR

Average rainfall in December - Arnett, AR
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.85").

Average rainfall days in December
Arnett, AR

Average rainfall days in December - Arnett, AR
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is November (8 days).

Average snowfall in December
Arnett, AR

Average snowfall in December - Arnett, AR
  • Average snowfall in December: 0.75"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Arnett, AR

Average snowfall days in December - Arnett, AR
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Arnett, AR

Average daylight in December / Average sunshine in December - Arnett, AR
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in December
Arnett, AR

Average sunshine days in December - Arnett, AR
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in December
Arnett, AR

Average UV index in December - Arnett, AR
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Arnett, AR

Average cloud cover in December - Arnett, AR
  • Average cloud cover in December: 42

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Arnett, AR

Average visibility in December - Arnett, AR
  • 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).

Arnett, Arkansas, USA

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