January Weather in Little Rock, United States

Last updated: June 24, 2025

In January, the average temperature in Little Rock, United States hovers around -13°C (10°F), with extremes reaching a chilling -37°C (-34°F) at its lowest and a milder 4°C (40°F) at its highest. Expect about 22 mm (0.9 in) of precipitation over approximately 4 days, and a significant average humidity of 90%, adding to the cold atmosphere.

January Temperature in Little Rock

In January in Little Rock, the average temperature is -13°C (10°F), with maximums reaching 4°C (40°F) and minimums dropping as low as -37°C (-34°F). Travelers should be prepared for extremely cold conditions and dress appropriately for outdoor activities.

January Weather in Little Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Little Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Little Rock, January typically has an average temperature of -13°C (10°F), with highs reaching up to 4°C (40°F) and lows dropping to around -37°C (-34°F).

Data source: Temperature data for Little Rock generated using information from the Copernicus Climate Change Service.

January Precipitation in Little Rock

In Little Rock in January, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

January Precipitation Trends in Little Rock

The chart displays monthly precipitation patterns in Little Rock, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Little Rock, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Little Rock

In Little Rock in January humidity is 90%. With an average temperature of -13°C (10°F), this humidity feels like walking through a chilly, damp fog that clings to your skin, making every step outside feel even colder and more uncomfortable.

January Average Humidity in Little Rock

This chart illustrates the average monthly humidity levels in Little Rock, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Little Rock is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Little Rock

In Little Rock in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Little Rock, you can visit Hourly UV Index in Little Rock.

Maximum UV Index Levels in Little Rock for January

The chart shows the monthly maximum UV Index (UVI) for Little Rock in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Little Rock typically reaches 2, which falls under the low exposure category.

Data source: Little Rock January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Little Rock Compares to Other Months

Weather in Little Rock varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Little Rock, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Little Rock, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (10°F)	22 mm (0.9 inches)	90%	low
February Weather	-13°C (9°F)	24 mm (0.9 inches)	92%	moderate
March Weather	-3°C (26°F)	25 mm (1.0 inches)	85%	moderate
April Weather	2°C (36°F)	57 mm (2.3 inches)	81%	high
May Weather	12°C (54°F)	53 mm (2.1 inches)	75%	very high
June Weather	19°C (67°F)	82 mm (3.2 inches)	79%	very high
July Weather	22°C (71°F)	80 mm (3.1 inches)	76%	very high
August Weather	19°C (67°F)	71 mm (2.8 inches)	78%	very high
September Weather	15°C (59°F)	106 mm (4.2 inches)	77%	high
October Weather	6°C (43°F)	89 mm (3.5 inches)	79%	moderate
November Weather	-3°C (26°F)	30 mm (1.2 inches)	86%	moderate
December Weather	-9°C (16°F)	44 mm (1.7 inches)	86%	low