January weather forecastBrentwood, AR

January

Weather in January

January, the same as December, in Brentwood, Arkansas, is a frosty winter month, with an average temperature varying between 44.4°F (6.9°C) and 29.1°F (-1.6°C).

Temperature

January, known for its average high temperature of 44.4°F (6.9°C) and an average low temperature of 29.1°F (-1.6°C), is the coldest month.

Humidity

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

Rainfall

In Brentwood, in January, during 6.7 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 120.5 rainfall days, and 16.18" (411mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In January, it is snowing for 1.5 days. Throughout January, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 7 snowfall days, and 1.14" (29mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 3min.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:13 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:42 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 in January translates into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, with its high-temperature average of 44.4°F (6.9°C) and a low-temperature average of 29.1°F (-1.6°C), is the coldest month.

During January, Brentwood experiences an average high-temperature of 44.4°F (6.9°C) and a low-temperature of 29.1°F (-1.6°C).

The average relative humidity in January is 73%.

In Brentwood, in January, during 6.7 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

In Brentwood, during January, snow falls for 1.5 days and regularly aggregates up to 0.24" (6mm) of snow.

The average day length in January is 10h and 3min.

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:42 pm CST.

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

In January, the average sunshine duration is 5.5h.

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

In Brentwood, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Brentwood, AR

  • Average high temperature in January: 44.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in January: 29.1°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in January
Brentwood, 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).

Average wind speed in January
Brentwood, AR

  • Average wind speed in January: 8.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in January
Brentwood, AR

  • Average humidity in January: 73%

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

Average rainfall in January
Brentwood, AR

  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in January
Brentwood, AR

  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (6.5 days).

Average snowfall in January
Brentwood, AR

  • Average snowfall in January: 0.24"

The month with the highest snowfall is February (0.47").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Brentwood, AR

  • Average snowfall days in January: 1.5 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Brentwood, AR

  • Average daylight in January: 10h and 6min

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 30min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in January
Brentwood, AR

  • Average sunshine days in January: 22 days

The months with the most sunshine days are January and December (22 days).
The month with the least sunshine days is April (14.3 days).

Average UV index in January
Brentwood, 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, February and December (UV index 2).

Average cloud cover in January
Brentwood, AR

  • Average cloud cover in January: 39

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in January
Brentwood, 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).