Last updated: June 24, 2025
In December, the average temperature in Harrodsburg, United States hovers around 4°C (39°F), with extremes reaching a chilling -17°C (2°F) at night and a pleasant 20°C (69°F) during the day. Expect around 100 mm (3.9 in) of precipitation spread across 10 days, while the air remains quite humid with an average humidity of 87%. Be prepared for a mix of cool and wet weather as you explore this unique location!
In December in Harrodsburg, the average temperature is 4°C (39°F). Maximums can reach 20°C (69°F) and minimums can be as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers for both warm and cold conditions.
In Harrodsburg in December, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.
In Harrodsburg in December, humidity is 87%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and gritty, as the air hangs heavy and clings to your skin.
In Harrodsburg 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 Harrodsburg, you can check the information here.
UV Risk Categories
Weather in Harrodsburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Harrodsburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 86 mm (3.4 inches) | 87% | moderate |
| February Weather | 2°C (36°F) | 113 mm (4.4 inches) | 85% | moderate |
| March Weather | 7°C (45°F) | 139 mm (5.5 inches) | 86% | high |
| April Weather | 12°C (54°F) | 118 mm (4.7 inches) | 84% | very high |
| May Weather | 19°C (66°F) | 135 mm (5.3 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 124 mm (4.9 inches) | 82% | extreme |
| July Weather | 25°C (78°F) | 99 mm (3.9 inches) | 79% | very high |
| August Weather | 24°C (76°F) | 102 mm (4.0 inches) | 70% | very high |
| September Weather | 22°C (71°F) | 73 mm (2.9 inches) | 69% | very high |
| October Weather | 15°C (59°F) | 102 mm (4.0 inches) | 76% | high |
| November Weather | 6°C (43°F) | 102 mm (4.0 inches) | 88% | moderate |
| December Weather | 4°C (39°F) | 100 mm (3.9 inches) | 87% | moderate |