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December Weather in Little Rock, United States

Last updated: June 24, 2025

The average temperature in Little Rock, United States during December is a cool 9°C (48°F). While temperatures can dip as low as -9°C (17°F), they can also reach a warm 27°C (80°F). Expect 140 mm (5.5 in) of precipitation over approximately 10 days, with an average humidity level of 88%.

December Temperature in Little Rock

In December in Little Rock, the average temperature is 9°C (48°F), with maximums reaching 27°C (80°F) and minimums dipping as low as -9°C (17°F). This variation in temperature makes it essential for travelers to be prepared for both warm and cool weather.

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

The chart illustrates December 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, December typically has an average temperature of 9°C (48°F), with highs reaching up to 27°C (80°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec424656617279828076645147
Data source: Temperature data for Little Rock generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Little Rock

In Little Rock in December, the total precipitation amount is 140 mm (5.5 in) spread over a period of 10 days.

December Precipitation Trends in Little Rock

The chart displays monthly precipitation patterns in Little Rock, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Little Rock, December typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec911461541631641021071151039775140
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Little Rock

In Little Rock in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Little Rock

This chart illustrates the average monthly humidity levels in Little Rock, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Little Rock is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%81%81%83%83%81%74%71%76%84%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Little Rock

In Little Rock in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Little Rock for better planning.

Maximum UV Index Levels in Little Rock for December

The chart shows the monthly maximum UV Index (UVI) for Little Rock in December, 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 December, the maximum UV index in Little Rock typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Little Rock December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)91 mm (3.6 inches)84%moderate
February Weather8°C (46°F)146 mm (5.8 inches)83%high
March Weather13°C (56°F)154 mm (6.1 inches)81%very high
April Weather16°C (61°F)163 mm (6.4 inches)81%very high
May Weather22°C (72°F)164 mm (6.4 inches)83%extreme
June Weather26°C (79°F)102 mm (4.0 inches)83%extreme
July Weather28°C (82°F)107 mm (4.2 inches)81%extreme
August Weather27°C (80°F)115 mm (4.5 inches)74%very high
September Weather25°C (76°F)103 mm (4.1 inches)71%very high
October Weather18°C (65°F)97 mm (3.8 inches)76%high
November Weather11°C (51°F)75 mm (3.0 inches)84%moderate
December Weather9°C (48°F)140 mm (5.5 inches)88%moderate

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