January weather forecast
Fayetteville, AR

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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 January

January marks the start of the year in Fayetteville, Arkansas, with snowfall that measures up to 1.1" (28mm) combined with the coldest low average temperatures. Transitioning from the crispness of the preceding month, it holds the essence of winter in its chilly air. Days are often overcast, and the city experiences a moderate amount of humidity giving the weather a damp cold quality. The daylight hours are at their annual minimum, contributing to the generally gloomy conditions prevalent during this month. Although it can feel brisk, this chilly month holds a certain charm in Fayetteville.

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 44.2°F (6.8°C) and a low of 28.6°F (-1.9°C).

Humidity

In Fayetteville, the average relative humidity in January is 73%.

Rainfall

In Fayetteville, in January, during 9 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Fayetteville, during the entire year, the rain falls for 148.4 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Fayetteville, in January, during 2.8 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, there are 11.8 snowfall days, and 5.35" (136mm) of snow is accumulated.

Daylight

In Fayetteville, the average length of the day in January is 10h and 2min.
On the first day of January in Fayetteville, sunrise is at 7:27 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:41 pm CST.

Sunshine

With an average of 5.3h of sunshine, January has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the coldest month in Fayetteville?

The coldest temperatures in Fayetteville, Arkansas, occur during January, when averages reach a peak of 44.2°F (6.8°C) and a low of 28.6°F (-1.9°C).

Is it cold in Fayetteville during January?

In Fayetteville, in January, the average high-temperature is 44.2°F (6.8°C), and the average low-temperature is 28.6°F (-1.9°C).

What is the average humidity in January in Fayetteville?

In Fayetteville, Arkansas, the average relative humidity in January is 73%.

How many days does it rain in January in Fayetteville?

In January, in Fayetteville, Arkansas, the rain falls for 9 days. Throughout January, 2.28" (58mm) of precipitation is accumulated.

How much does it snow in Fayetteville in January?

In Fayetteville, Arkansas, in January, during 2.8 snowfall days, 1.1" (28mm) of snow is typically accumulated.

How many hours of daylight does Fayetteville have in January?

The average day length in January is 10h and 2min.

When is the sunrise / sunset in January in Fayetteville?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 5:12 pm. On the last day of the month, in Fayetteville, sunrise is at 7:18 am and sunset at 5:41 pm CST.

What is the month with the least sunshine in Fayetteville?

With an average of 5.3h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Fayetteville?

In Fayetteville, the average sunshine duration in January is 5.3h.

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

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

What is the UV index intensity in January in Fayetteville?

In January, the average daily maximum UV index in Fayetteville, Arkansas, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 January
Fayetteville, AR

Average temperature in January - Fayetteville, AR
  • Average high temperature in January: 44.2°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 January: 28.6°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 January
Fayetteville, AR

Average pressure in January - Fayetteville, AR
  • Average pressure in January: 30.17"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 January
Fayetteville, AR

Average wind speed in January - Fayetteville, AR
  • Average wind speed in January: 8.6mph

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 January
Fayetteville, AR

Average humidity in January - Fayetteville, AR
  • Average humidity in January: 73%

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 January
Fayetteville, AR

Average rainfall in January - Fayetteville, AR
  • Average rainfall in January: 2.28"

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 January
Fayetteville, AR

Average rainfall days in January - Fayetteville, AR
  • Average rainfall days in January: 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 January
Fayetteville, AR

Average snowfall in January - Fayetteville, AR
  • Average snowfall in January: 1.1"

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 January
Fayetteville, AR

Average snowfall days in January - Fayetteville, AR
  • Average snowfall days in January: 2.8 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 January /
Average sunshine in January
Fayetteville, AR

Average daylight in January / Average sunshine in January - Fayetteville, AR
  • Average daylight in January: 10h and 0min

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 January: 5h and 2min

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 January
Fayetteville, AR

Average sunshine days in January - Fayetteville, AR
  • Average sunshine days in January: 19.3 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 January
Fayetteville, AR

Average UV index in January - Fayetteville, AR
  • Average UV index in January: 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 January
Fayetteville, AR

Average cloud cover in January - Fayetteville, AR
  • Average cloud cover in January: 40

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 January
Fayetteville, AR

Average visibility in January - Fayetteville, AR
  • Average visibility in January: 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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Fayetteville, Arkansas, USA

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