Last updated: June 24, 2025
In December, the average temperature in Columbus, United States hovers around -1°C (31°F). However, be prepared for a wide range, as temperatures can dip as low as -22°C (-7°F) or soar to a pleasant 20°C (68°F). During this month, expect approximately 42 mm (1.7 in) of precipitation over about 4 days, with a notable average humidity of 83%.
In December in Columbus, the average temperature is -1°C (31°F), with maximums reaching 20°C (68°F) and minimums plummeting to -22°C (-7°F). This wide temperature range makes it essential to pack layers and be prepared for both chilly and warmer spells while traveling.
In Columbus in December, the precipitation amount is 42 mm (1.7 in) distributed over a span of 4 days.
In Columbus in December humidity is 83%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, icy blanket enveloping you, making each step outside feel like a struggle against the cold, damp air that clings to your skin, often leaving you wishing for warmth and refuge indoors.
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.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 29 mm (1.1 inches) | 76% | moderate |
| February Weather | -4°C (25°F) | 23 mm (0.9 inches) | 80% | moderate |
| March Weather | 4°C (40°F) | 88 mm (3.5 inches) | 73% | high |
| April Weather | 9°C (49°F) | 51 mm (2.0 inches) | 74% | very high |
| May Weather | 16°C (62°F) | 143 mm (5.6 inches) | 78% | very high |
| June Weather | 24°C (76°F) | 104 mm (4.1 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 60 mm (2.4 inches) | 83% | very high |
| August Weather | 23°C (74°F) | 96 mm (3.8 inches) | 80% | very high |
| September Weather | 20°C (69°F) | 56 mm (2.2 inches) | 75% | very high |
| October Weather | 11°C (52°F) | 82 mm (3.2 inches) | 75% | high |
| November Weather | 4°C (40°F) | 25 mm (1.0 inches) | 82% | moderate |
| December Weather | -1°C (31°F) | 42 mm (1.7 inches) | 83% | low |