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December Weather in Arkadelphia, United States

Last updated: June 24, 2025

In December, the average temperature in Arkadelphia, United States is a cool 10°C (49°F), with a low that can dip to -5°C (23°F) and a high reaching up to 26°C (80°F). You'll experience about 158 mm (6.2 in) of precipitation over 10 days, accompanied by a notably high average humidity of 88%.

December Temperature in Arkadelphia

In December in Arkadelphia, the average temperature is 10°C (49°F). The maximum can reach 26°C (80°F) and the minimum can be as low as -5°C (23°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from mild sightseeing to cozy winter experiences.

December Weather in Arkadelphia: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Arkadelphia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arkadelphia, December typically has an average temperature of 10°C (49°F), with highs reaching up to 26°C (80°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec454858637280838177665349
Data source: Temperature data for Arkadelphia 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 Arkadelphia

In Arkadelphia in December, the precipitation amount is 158 mm (6.2 in) over the course of 10 days.

December Precipitation Trends in Arkadelphia

The chart displays monthly precipitation patterns in Arkadelphia, 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 Arkadelphia, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec103158161185154117961079210080158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arkadelphia

In Arkadelphia in December humidity is 88%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and leading to a sense of sluggishness that can dampen the excitement of exploring the area.

December Average Humidity in Arkadelphia

This chart illustrates the average monthly humidity levels in Arkadelphia, 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 Arkadelphia is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arkadelphia

In Arkadelphia 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 Arkadelphia for better planning.

Maximum UV Index Levels in Arkadelphia for December

The chart shows the monthly maximum UV Index (UVI) for Arkadelphia 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 Arkadelphia typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119864
Data source: Arkadelphia 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 Arkadelphia Compares to Other Months

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

This table compares monthly weather conditions in Arkadelphia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)103 mm (4.1 inches)82%moderate
February Weather9°C (48°F)158 mm (6.2 inches)80%high
March Weather14°C (58°F)161 mm (6.4 inches)78%very high
April Weather17°C (63°F)184 mm (7.3 inches)79%very high
May Weather22°C (73°F)154 mm (6.1 inches)81%extreme
June Weather27°C (80°F)117 mm (4.6 inches)77%extreme
July Weather28°C (83°F)96 mm (3.8 inches)72%extreme
August Weather27°C (82°F)107 mm (4.2 inches)65%extreme
September Weather25°C (78°F)92 mm (3.6 inches)63%very high
October Weather19°C (66°F)100 mm (3.9 inches)70%very high
November Weather12°C (53°F)80 mm (3.1 inches)82%high
December Weather10°C (49°F)158 mm (6.2 inches)88%moderate

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