Last updated: June 24, 2025
In December, the average temperature in Clay City, United States is a brisk 4°C (39°F). Expect a chilly minimum of -17°C (1°F), warming up to a pleasant maximum of 20°C (69°F). This month experiences 87 mm (3.4 in) of precipitation spread across 8 days, with humidity levels hovering around a high 87%. Stay prepared for cool and damp weather!
In December in Clay City, the average temperature is 4°C (39°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -17°C (1°F). Be prepared for a wide range of temperatures when traveling during this time.
In Clay City in December, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.
In Clay City 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 Clay City 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 Clay City, you can check the information here.
UV Risk Categories
Weather in Clay City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Clay City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 89 mm (3.5 inches) | 84% | moderate |
| February Weather | 2°C (37°F) | 102 mm (4.0 inches) | 82% | moderate |
| March Weather | 8°C (47°F) | 131 mm (5.1 inches) | 84% | high |
| April Weather | 13°C (56°F) | 119 mm (4.7 inches) | 83% | very high |
| May Weather | 20°C (68°F) | 139 mm (5.5 inches) | 80% | extreme |
| June Weather | 25°C (77°F) | 112 mm (4.4 inches) | 83% | extreme |
| July Weather | 26°C (80°F) | 100 mm (4.0 inches) | 82% | very high |
| August Weather | 25°C (77°F) | 92 mm (3.6 inches) | 82% | very high |
| September Weather | 23°C (73°F) | 68 mm (2.7 inches) | 79% | very high |
| October Weather | 15°C (60°F) | 110 mm (4.3 inches) | 79% | high |
| November Weather | 7°C (44°F) | 98 mm (3.9 inches) | 88% | moderate |
| December Weather | 4°C (39°F) | 87 mm (3.4 inches) | 87% | moderate |