December weather forecast
Fayetteville, AR

Green trees and parked cars on the roadsides of College Avenue leading to the iconic Washington County Courthouse in Fayetteville, Arkansas
Green trees and parked cars on the roadsides of College Avenue leading to the iconic Washington County Courthouse in Fayetteville, Arkansas

Weather in December

The first month of the winter, December, is also a frosty month in Fayetteville, Arkansas, with an average temperature fluctuating between 47.1°F (8.4°C) and 32.2°F (0.1°C).

Temperature

In Fayetteville, the average high-temperature in December drops from a moderate 56.3°F (13.5°C) in November to a frosty 47.1°F (8.4°C). In December, in Fayetteville, Arkansas, the average low-temperature is 32.2°F (0.1°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Fayetteville, it is raining for 8.9 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 148.4 rainfall days, and 32.24" (819mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Fayetteville, Arkansas, snow falls for 2.7 days, with typically accumulated 0.75" (19mm) of snow. In Fayetteville, Arkansas, during the entire year, snow falls for 11.8 days and aggregates up to 5.35" (136mm) of snow.

Daylight

The month with the shortest days in Fayetteville is December, with an average of 9h and 46min of daylight.
On the first day of December in Fayetteville, sunrise is at 7:09 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:12 pm CST.

Sunshine

In Fayetteville, 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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Fayetteville?

In December, the average high-temperature is 47.1°F (8.4°C), and the average low-temperature is 32.2°F (0.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 86°F (30°C).

What is the average humidity in December in Fayetteville?

In Fayetteville, the average relative humidity in December is 75%.

How many days does it rain in December in Fayetteville?

In Fayetteville, in December, it is raining for 8.9 days, with typically 2.13" (54mm) of accumulated precipitation.

How much does it snow in Fayetteville in December?

In Fayetteville, Arkansas, in December, during 2.7 snowfall days, 0.75" (19mm) of snow is typically accumulated.

What is the month with the shortest days in Fayetteville?

December has the shortest days of the year in Fayetteville, Arkansas, with an average of 9h and 46min of daylight.

What is the average length of the day in December in Fayetteville?

The average day length in December in Fayetteville, Arkansas, is 9h and 46min.

When is the sunrise / sunset in December in Fayetteville?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:12 pm CST.

How long on average sun shines in December in Fayetteville?

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

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

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 Fayetteville?

In December, the average daily maximum UV index in Fayetteville is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fayetteville, AR

Average temperature in December - Fayetteville, 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).

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Average pressure in December
Fayetteville, AR

Average pressure in December - Fayetteville, 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).

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Average wind speed in December
Fayetteville, AR

Average wind speed in December - Fayetteville, 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).

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Average humidity in December
Fayetteville, AR

Average humidity in December - Fayetteville, 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%).

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Average rainfall in December
Fayetteville, AR

Average rainfall in December - Fayetteville, 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").

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Average rainfall days in December
Fayetteville, AR

Average rainfall days in December - Fayetteville, 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).

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Average snowfall in December
Fayetteville, AR

Average snowfall in December - Fayetteville, 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").

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Average snowfall days in December
Fayetteville, AR

Average snowfall days in December - Fayetteville, 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).

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

Average daylight in December / Average sunshine in December - Fayetteville, AR
  • Average daylight in December: 9h and 46min

The month with the longest days is June (Average daylight: 14h and 34min).
The month with the shortest days is December (Average daylight: 9h and 46min).

  • Average sunshine in December: 5h and 30min

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).

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Average sunshine days in December
Fayetteville, AR

Average sunshine days in December - Fayetteville, 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).

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Average UV index in December
Fayetteville, AR

Average UV index in December - Fayetteville, 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).

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Average cloud cover in December
Fayetteville, AR

Average cloud cover in December - Fayetteville, 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).

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Average visibility in December
Fayetteville, AR

Average visibility in December - Fayetteville, 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).

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