Last updated: June 24, 2025
In December, the average temperature in Worthington, United States is a brisk 2°C (37°F). Be prepared for chilly extremes, as temperatures can dip to a minimum of -17°C (3°F) and reach a maximum of 19°C (66°F). With 102 mm (4.0 in) of precipitation spread over 11 days, don’t forget your umbrella! The air remains quite humid, with an average humidity level of 87%, making it a truly unique climate experience.
In December in Worthington, the average temperature is 2°C (37°F), with maximums reaching up to 19°C (66°F) and minimums dropping as low as -17°C (3°F). Travelers should be prepared for a wide range of temperatures during this time.
In Worthington in December, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.
In Worthington in December, humidity is 87%. With an average temperature of 2°C (37°F), this humidity feels like an uncomfortable chill that seeps into your bones, making every step feel heavier and each breath a reminder of the dampness in the air, which can be quite challenging for traveling.
In Worthington 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 Worthington, you can check the information here.
UV Risk Categories
Weather in Worthington varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Worthington, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 81 mm (3.2 inches) | 88% | moderate |
| February Weather | 1°C (35°F) | 107 mm (4.2 inches) | 88% | moderate |
| March Weather | 6°C (43°F) | 112 mm (4.4 inches) | 87% | high |
| April Weather | 11°C (52°F) | 117 mm (4.6 inches) | 85% | very high |
| May Weather | 18°C (64°F) | 127 mm (5.0 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 146 mm (5.7 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 113 mm (4.4 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 80 mm (3.1 inches) | 73% | very high |
| September Weather | 20°C (69°F) | 90 mm (3.5 inches) | 73% | very high |
| October Weather | 14°C (58°F) | 100 mm (3.9 inches) | 78% | high |
| November Weather | 6°C (42°F) | 96 mm (3.8 inches) | 89% | moderate |
| December Weather | 2°C (37°F) | 102 mm (4.0 inches) | 87% | moderate |