nomadseason

December Weather in Columbus, United States

Last updated: June 24, 2025

In December, the average temperature in Columbus, United States hovers around 9°C (48°F). Expect minimums to drop as low as -5°C (23°F), while the maximum can reach a pleasant 24°C (75°F). During this period, precipitation amounts to approximately 20 mm (0.8 in) over the course of 3 days, with humidity levels averaging around 85%. Prepare accordingly for a mix of cool and mild weather!

December Temperature in Columbus

In December in Columbus, the average temperature is 9°C (48°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -5°C (23°F). It's advisable to pack layers to stay comfortable during your travels.

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 9°C (48°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec465260697785848478685748
Data source: Temperature data for Columbus generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 20 mm (0.8 in) accumulated over a period of 3 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 20 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1616173420412932201620
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Columbus

In Columbus in December humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%76%66%51%42%37%51%64%74%71%79%85%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810121313131211965
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 Weather8°C (47°F)16 mm (0.6 inches)79%moderate
February Weather11°C (52°F)16 mm (0.6 inches)76%very high
March Weather15°C (60°F)17 mm (0.7 inches)66%very high
April Weather21°C (69°F)2 mm (0.1 inches)51%extreme
May Weather25°C (77°F)4 mm (0.1 inches)42%extreme
June Weather30°C (85°F)20 mm (0.8 inches)37%extreme
July Weather29°C (85°F)41 mm (1.6 inches)51%extreme
August Weather29°C (84°F)29 mm (1.2 inches)64%extreme
September Weather25°C (78°F)32 mm (1.2 inches)74%extreme
October Weather20°C (68°F)20 mm (0.8 inches)71%very high
November Weather14°C (57°F)16 mm (0.6 inches)78%high
December Weather9°C (48°F)20 mm (0.8 inches)85%moderate

Compare Columbus's Climate with Cities Worldwide