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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 -1°C (31°F), with extremes ranging from a chilly -19°C (-3°F) to a milder 16°C (61°F). Visitors can expect approximately 119 mm (4.7 in) of precipitation spread over 17 days, contributing to an average humidity of 88%. Prepare accordingly to fully enjoy the unique atmosphere of this season!

December Temperature in Columbus

In December in Columbus, the average temperature is -1°C (31°F), with maximums reaching up to 16°C (61°F) and minimums dropping as low as -19°C (-3°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers to stay comfortable throughout the day.

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 -1°C (31°F), with highs reaching up to 16°C (61°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec252835455766706863523731
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 precipitation amount is 119 mm (4.7 in) spread across 17 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 119 mm (4.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec10711510813514815816512196139127119
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 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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-4°C (26°F)106 mm (4.2 inches)89%moderate
February Weather-2°C (28°F)115 mm (4.5 inches)90%moderate
March Weather1°C (35°F)108 mm (4.2 inches)89%high
April Weather7°C (45°F)135 mm (5.3 inches)88%very high
May Weather14°C (58°F)148 mm (5.8 inches)80%very high
June Weather19°C (66°F)158 mm (6.2 inches)79%very high
July Weather21°C (71°F)165 mm (6.5 inches)74%very high
August Weather20°C (68°F)121 mm (4.8 inches)64%very high
September Weather17°C (63°F)96 mm (3.8 inches)67%very high
October Weather11°C (53°F)139 mm (5.5 inches)81%high
November Weather3°C (38°F)127 mm (5.0 inches)89%moderate
December Weather-1°C (31°F)119 mm (4.7 inches)88%low

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