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December Weather in Opelika, United States

Last updated: June 24, 2025

In December, the average temperature in Opelika, United States hovers around 10°C (51°F), creating a mild yet refreshing atmosphere. Expect temperatures to fluctuate from a chilly -5°C (24°F) to a pleasant 25°C (78°F). With an average humidity of 88%, the air can feel quite moist, and be prepared for some rain, as there’s an average precipitation of 147 mm (5.8 in) over 12 days.

December Temperature in Opelika

In December in Opelika, the average temperature is 10°C (51°F). Maximums can reach 25°C (78°F), while minimums can be as low as -5°C (24°F). Be prepared for a wide range of temperatures, making it essential to pack layered clothing for your travels.

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

The chart illustrates December temperature patterns in Opelika, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Opelika, December typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (78°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec485459647378808077685551
Data source: Temperature data for Opelika 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 Opelika

In Opelika in December, the precipitation amount is 147 mm (5.8 in) over a span of 12 days.

December Precipitation Trends in Opelika

The chart displays monthly precipitation patterns in Opelika, 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 Opelika, December typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11713511112112512911113010211083147
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Opelika

In Opelika in December, humidity is 88%. With an average temperature of 10°C (51°F), this humidity feels like a thick blanket of moisture enveloping you, making every step feel heavier and leaving you yearning for a refreshing breeze as you navigate the streets.

December Average Humidity in Opelika

This chart illustrates the average monthly humidity levels in Opelika, 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 Opelika is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Opelika

In Opelika 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 Opelika for better planning.

Maximum UV Index Levels in Opelika for December

The chart shows the monthly maximum UV Index (UVI) for Opelika 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 Opelika typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Opelika 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 Opelika Compares to Other Months

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

This table compares monthly weather conditions in Opelika, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)117 mm (4.6 inches)85%moderate
February Weather12°C (55°F)135 mm (5.3 inches)84%high
March Weather15°C (59°F)111 mm (4.4 inches)82%very high
April Weather18°C (65°F)121 mm (4.7 inches)82%very high
May Weather23°C (73°F)125 mm (4.9 inches)81%extreme
June Weather25°C (78°F)129 mm (5.1 inches)77%extreme
July Weather27°C (81°F)111 mm (4.4 inches)77%extreme
August Weather26°C (80°F)130 mm (5.1 inches)72%extreme
September Weather25°C (77°F)102 mm (4.0 inches)73%very high
October Weather20°C (69°F)110 mm (4.3 inches)73%very high
November Weather13°C (55°F)83 mm (3.3 inches)85%high
December Weather10°C (51°F)147 mm (5.8 inches)88%moderate

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