Last updated: June 24, 2025
In Columbus, United States, the average temperature in December hovers around 4°C (40°F), but be prepared for a range that can dip to a chilly -11°C (12°F) and occasionally rise to a warm 19°C (67°F). Expect about 104 mm (4.1 in) of precipitation over 10 days, contributing to an average humidity of 81%. Whether you’re bundling up or enjoying a rare sunny day, be ready for the diverse weather this month brings!
In December in Columbus, the average temperature is 4°C (40°F). The maximum can reach 19°C (67°F) and the minimum can be as low as -11°C (12°F). Be prepared for a wide temperature range if you're planning to travel during this time.
In Columbus in December, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.
In Columbus in December humidity is 81%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that can make traveling quite uncomfortable, as the cold air clings uncomfortably to your skin and the moisture can quickly sap your body heat.
In Columbus in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Columbus, you can check the information here.
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 | 2°C (36°F) | 64 mm (2.5 inches) | 83% | moderate |
| February Weather | 4°C (39°F) | 108 mm (4.2 inches) | 82% | moderate |
| March Weather | 7°C (44°F) | 109 mm (4.3 inches) | 81% | high |
| April Weather | 12°C (54°F) | 104 mm (4.1 inches) | 79% | very high |
| May Weather | 18°C (64°F) | 124 mm (4.9 inches) | 74% | very high |
| June Weather | 23°C (74°F) | 101 mm (4.0 inches) | 77% | very high |
| July Weather | 26°C (79°F) | 136 mm (5.4 inches) | 76% | very high |
| August Weather | 25°C (77°F) | 137 mm (5.4 inches) | 77% | very high |
| September Weather | 22°C (71°F) | 89 mm (3.5 inches) | 74% | very high |
| October Weather | 16°C (62°F) | 119 mm (4.7 inches) | 75% | high |
| November Weather | 8°C (47°F) | 83 mm (3.3 inches) | 80% | moderate |
| December Weather | 4°C (40°F) | 104 mm (4.1 inches) | 81% | moderate |