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December Weather in Columbus, United States

Last updated: June 24, 2025

In December, the average temperature in Columbus, United States hovers around -2°C (29°F). However, it can plummet to a chilly -22°C (-7°F) at its lowest, with a possible peak of 16°C (61°F). Expect around 101 mm (4.0 in) of precipitation spread over 16 days, and be prepared for the high humidity levels, averaging 86%.

December Temperature in Columbus

In December in Columbus, the average temperature is -2°C (29°F). Maximum temperatures can reach as high as 16°C (61°F), while the minimum can drop as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both chilly days and milder spells.

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

The chart illustrates December temperature patterns in Columbus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbus, December typically has an average temperature of -2°C (29°F), with highs reaching up to 16°C (61°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445665706861513729
Data source: Temperature data for Columbus 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 Columbus

In Columbus in December, the total precipitation amount is 101 mm (4.0 in) spread over 16 days.

December Precipitation Trends in Columbus

The chart displays monthly precipitation patterns in Columbus, 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 Columbus, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec891009112013011815913398166107101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Columbus

In Columbus in December humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.

December Average Humidity in Columbus

This chart illustrates the average monthly humidity levels in Columbus, 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 Columbus is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Columbus

In Columbus in December, 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 Columbus, you can visit Hourly UV Index in Columbus.

Maximum UV Index Levels in Columbus for December

The chart shows the monthly maximum UV Index (UVI) for Columbus 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 Columbus typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: Columbus 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 Columbus Compares to Other Months

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

This table compares monthly weather conditions in Columbus, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)89 mm (3.5 inches)90%moderate
February Weather-3°C (27°F)100 mm (4.0 inches)90%moderate
March Weather0°C (33°F)91 mm (3.6 inches)87%high
April Weather7°C (44°F)120 mm (4.7 inches)88%very high
May Weather14°C (57°F)130 mm (5.1 inches)82%very high
June Weather18°C (65°F)118 mm (4.7 inches)79%very high
July Weather21°C (70°F)159 mm (6.2 inches)78%very high
August Weather20°C (68°F)133 mm (5.2 inches)76%very high
September Weather16°C (62°F)98 mm (3.8 inches)78%very high
October Weather11°C (52°F)166 mm (6.5 inches)84%high
November Weather3°C (37°F)107 mm (4.2 inches)89%moderate
December Weather-2°C (29°F)101 mm (4.0 inches)86%low

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